// This file is automatically generated, DO NOT EDIT // // To regenerate this file run the `crates/witx-bindgen` command
use core::fmt; use core::mem::MaybeUninit; pubtype Size = usize; pubtype Filesize = u64; pubtype Timestamp = u64; #[repr(transparent)] #[derive(Copy, Clone, Hash, Eq, PartialEq, Ord, PartialOrd)] pubstruct Clockid(u32); /// The clock measuring real time. Time value zero corresponds with /// 1970-01-01T00:00:00Z. pubconst CLOCKID_REALTIME: Clockid = Clockid(0); /// The store-wide monotonic clock, which is defined as a clock measuring /// real time, whose value cannot be adjusted and which cannot have negative /// clock jumps. The epoch of this clock is undefined. The absolute time /// value of this clock therefore has no meaning. pubconst CLOCKID_MONOTONIC: Clockid = Clockid(1); /// The CPU-time clock associated with the current process. pubconst CLOCKID_PROCESS_CPUTIME_ID: Clockid = Clockid(2); /// The CPU-time clock associated with the current thread. pubconst CLOCKID_THREAD_CPUTIME_ID: Clockid = Clockid(3); impl Clockid { pubconstfn raw(&self) -> u32 { self.0
}
pubfn name(&self) -> &'static str { matchself.0 { 0 => "REALTIME", 1 => "MONOTONIC", 2 => "PROCESS_CPUTIME_ID", 3 => "THREAD_CPUTIME_ID",
_ => unsafe { core::hint::unreachable_unchecked() },
}
} pubfn message(&self) -> &'static str { matchself.0 { 0 => { "The clock measuring real time. Time value zero corresponds with 1970-01-01T00:00:00Z."
} 1 => { "The store-wide monotonic clock, which is defined as a clock measuring
real time, whose value cannot be adjusted and which cannot have negative
clock jumps. The epoch of this clock is undefined. The absolute time
value of this clock therefore has no meaning."
} 2 => "The CPU-time clock associated with the current process.", 3 => "The CPU-time clock associated with the current thread.",
_ => unsafe { core::hint::unreachable_unchecked() },
}
}
} impl fmt::Debug for Clockid { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.debug_struct("Clockid")
.field("code", &self.0)
.field("name", &self.name())
.field("message", &self.message())
.finish()
}
}
#[repr(transparent)] #[derive(Copy, Clone, Hash, Eq, PartialEq, Ord, PartialOrd)] pubstruct Errno(u16); /// No error occurred. System call completed successfully. pubconst ERRNO_SUCCESS: Errno = Errno(0); /// Argument list too long. pubconst ERRNO_2BIG: Errno = Errno(1); /// Permission denied. pubconst ERRNO_ACCES: Errno = Errno(2); /// Address in use. pubconst ERRNO_ADDRINUSE: Errno = Errno(3); /// Address not available. pubconst ERRNO_ADDRNOTAVAIL: Errno = Errno(4); /// Address family not supported. pubconst ERRNO_AFNOSUPPORT: Errno = Errno(5); /// Resource unavailable, or operation would block. pubconst ERRNO_AGAIN: Errno = Errno(6); /// Connection already in progress. pubconst ERRNO_ALREADY: Errno = Errno(7); /// Bad file descriptor. pubconst ERRNO_BADF: Errno = Errno(8); /// Bad message. pubconst ERRNO_BADMSG: Errno = Errno(9); /// Device or resource busy. pubconst ERRNO_BUSY: Errno = Errno(10); /// Operation canceled. pubconst ERRNO_CANCELED: Errno = Errno(11); /// No child processes. pubconst ERRNO_CHILD: Errno = Errno(12); /// Connection aborted. pubconst ERRNO_CONNABORTED: Errno = Errno(13); /// Connection refused. pubconst ERRNO_CONNREFUSED: Errno = Errno(14); /// Connection reset. pubconst ERRNO_CONNRESET: Errno = Errno(15); /// Resource deadlock would occur. pubconst ERRNO_DEADLK: Errno = Errno(16); /// Destination address required. pubconst ERRNO_DESTADDRREQ: Errno = Errno(17); /// Mathematics argument out of domain of function. pubconst ERRNO_DOM: Errno = Errno(18); /// Reserved. pubconst ERRNO_DQUOT: Errno = Errno(19); /// File exists. pubconst ERRNO_EXIST: Errno = Errno(20); /// Bad address. pubconst ERRNO_FAULT: Errno = Errno(21); /// File too large. pubconst ERRNO_FBIG: Errno = Errno(22); /// Host is unreachable. pubconst ERRNO_HOSTUNREACH: Errno = Errno(23); /// Identifier removed. pubconst ERRNO_IDRM: Errno = Errno(24); /// Illegal byte sequence. pubconst ERRNO_ILSEQ: Errno = Errno(25); /// Operation in progress. pubconst ERRNO_INPROGRESS: Errno = Errno(26); /// Interrupted function. pubconst ERRNO_INTR: Errno = Errno(27); /// Invalid argument. pubconst ERRNO_INVAL: Errno = Errno(28); /// I/O error. pubconst ERRNO_IO: Errno = Errno(29); /// Socket is connected. pubconst ERRNO_ISCONN: Errno = Errno(30); /// Is a directory. pubconst ERRNO_ISDIR: Errno = Errno(31); /// Too many levels of symbolic links. pubconst ERRNO_LOOP: Errno = Errno(32); /// File descriptor value too large. pubconst ERRNO_MFILE: Errno = Errno(33); /// Too many links. pubconst ERRNO_MLINK: Errno = Errno(34); /// Message too large. pubconst ERRNO_MSGSIZE: Errno = Errno(35); /// Reserved. pubconst ERRNO_MULTIHOP: Errno = Errno(36); /// Filename too long. pubconst ERRNO_NAMETOOLONG: Errno = Errno(37); /// Network is down. pubconst ERRNO_NETDOWN: Errno = Errno(38); /// Connection aborted by network. pubconst ERRNO_NETRESET: Errno = Errno(39); /// Network unreachable. pubconst ERRNO_NETUNREACH: Errno = Errno(40); /// Too many files open in system. pubconst ERRNO_NFILE: Errno = Errno(41); /// No buffer space available. pubconst ERRNO_NOBUFS: Errno = Errno(42); /// No such device. pubconst ERRNO_NODEV: Errno = Errno(43); /// No such file or directory. pubconst ERRNO_NOENT: Errno = Errno(44); /// Executable file format error. pubconst ERRNO_NOEXEC: Errno = Errno(45); /// No locks available. pubconst ERRNO_NOLCK: Errno = Errno(46); /// Reserved. pubconst ERRNO_NOLINK: Errno = Errno(47); /// Not enough space. pubconst ERRNO_NOMEM: Errno = Errno(48); /// No message of the desired type. pubconst ERRNO_NOMSG: Errno = Errno(49); /// Protocol not available. pubconst ERRNO_NOPROTOOPT: Errno = Errno(50); /// No space left on device. pubconst ERRNO_NOSPC: Errno = Errno(51); /// Function not supported. pubconst ERRNO_NOSYS: Errno = Errno(52); /// The socket is not connected. pubconst ERRNO_NOTCONN: Errno = Errno(53); /// Not a directory or a symbolic link to a directory. pubconst ERRNO_NOTDIR: Errno = Errno(54); /// Directory not empty. pubconst ERRNO_NOTEMPTY: Errno = Errno(55); /// State not recoverable. pubconst ERRNO_NOTRECOVERABLE: Errno = Errno(56); /// Not a socket. pubconst ERRNO_NOTSOCK: Errno = Errno(57); /// Not supported, or operation not supported on socket. pubconst ERRNO_NOTSUP: Errno = Errno(58); /// Inappropriate I/O control operation. pubconst ERRNO_NOTTY: Errno = Errno(59); /// No such device or address. pubconst ERRNO_NXIO: Errno = Errno(60); /// Value too large to be stored in data type. pubconst ERRNO_OVERFLOW: Errno = Errno(61); /// Previous owner died. pubconst ERRNO_OWNERDEAD: Errno = Errno(62); /// Operation not permitted. pubconst ERRNO_PERM: Errno = Errno(63); /// Broken pipe. pubconst ERRNO_PIPE: Errno = Errno(64); /// Protocol error. pubconst ERRNO_PROTO: Errno = Errno(65); /// Protocol not supported. pubconst ERRNO_PROTONOSUPPORT: Errno = Errno(66); /// Protocol wrong type for socket. pubconst ERRNO_PROTOTYPE: Errno = Errno(67); /// Result too large. pubconst ERRNO_RANGE: Errno = Errno(68); /// Read-only file system. pubconst ERRNO_ROFS: Errno = Errno(69); /// Invalid seek. pubconst ERRNO_SPIPE: Errno = Errno(70); /// No such process. pubconst ERRNO_SRCH: Errno = Errno(71); /// Reserved. pubconst ERRNO_STALE: Errno = Errno(72); /// Connection timed out. pubconst ERRNO_TIMEDOUT: Errno = Errno(73); /// Text file busy. pubconst ERRNO_TXTBSY: Errno = Errno(74); /// Cross-device link. pubconst ERRNO_XDEV: Errno = Errno(75); /// Extension: Capabilities insufficient. pubconst ERRNO_NOTCAPABLE: Errno = Errno(76); impl Errno { pubconstfn raw(&self) -> u16 { self.0
}
pubfn name(&self) -> &'static str { matchself.0 { 0 => "SUCCESS", 1 => "2BIG", 2 => "ACCES", 3 => "ADDRINUSE", 4 => "ADDRNOTAVAIL", 5 => "AFNOSUPPORT", 6 => "AGAIN", 7 => "ALREADY", 8 => "BADF", 9 => "BADMSG", 10 => "BUSY", 11 => "CANCELED", 12 => "CHILD", 13 => "CONNABORTED", 14 => "CONNREFUSED", 15 => "CONNRESET", 16 => "DEADLK", 17 => "DESTADDRREQ", 18 => "DOM", 19 => "DQUOT", 20 => "EXIST", 21 => "FAULT", 22 => "FBIG", 23 => "HOSTUNREACH", 24 => "IDRM", 25 => "ILSEQ", 26 => "INPROGRESS", 27 => "INTR", 28 => "INVAL", 29 => "IO", 30 => "ISCONN", 31 => "ISDIR", 32 => "LOOP", 33 => "MFILE", 34 => "MLINK", 35 => "MSGSIZE", 36 => "MULTIHOP", 37 => "NAMETOOLONG", 38 => "NETDOWN", 39 => "NETRESET", 40 => "NETUNREACH", 41 => "NFILE", 42 => "NOBUFS", 43 => "NODEV", 44 => "NOENT", 45 => "NOEXEC", 46 => "NOLCK", 47 => "NOLINK", 48 => "NOMEM", 49 => "NOMSG", 50 => "NOPROTOOPT", 51 => "NOSPC", 52 => "NOSYS", 53 => "NOTCONN", 54 => "NOTDIR", 55 => "NOTEMPTY", 56 => "NOTRECOVERABLE", 57 => "NOTSOCK", 58 => "NOTSUP", 59 => "NOTTY", 60 => "NXIO", 61 => "OVERFLOW", 62 => "OWNERDEAD", 63 => "PERM", 64 => "PIPE", 65 => "PROTO", 66 => "PROTONOSUPPORT", 67 => "PROTOTYPE", 68 => "RANGE", 69 => "ROFS", 70 => "SPIPE", 71 => "SRCH", 72 => "STALE", 73 => "TIMEDOUT", 74 => "TXTBSY", 75 => "XDEV", 76 => "NOTCAPABLE",
_ => unsafe { core::hint::unreachable_unchecked() },
}
} pubfn message(&self) -> &'static str { matchself.0 { 0 => "No error occurred. System call completed successfully.", 1 => "Argument list too long.", 2 => "Permission denied.", 3 => "Address in use.", 4 => "Address not available.", 5 => "Address family not supported.", 6 => "Resource unavailable, or operation would block.", 7 => "Connection already in progress.", 8 => "Bad file descriptor.", 9 => "Bad message.", 10 => "Device or resource busy.", 11 => "Operation canceled.", 12 => "No child processes.", 13 => "Connection aborted.", 14 => "Connection refused.", 15 => "Connection reset.", 16 => "Resource deadlock would occur.", 17 => "Destination address required.", 18 => "Mathematics argument out of domain of function.", 19 => "Reserved.", 20 => "File exists.", 21 => "Bad address.", 22 => "File too large.", 23 => "Host is unreachable.", 24 => "Identifier removed.", 25 => "Illegal byte sequence.", 26 => "Operation in progress.", 27 => "Interrupted function.", 28 => "Invalid argument.", 29 => "I/O error.", 30 => "Socket is connected.", 31 => "Is a directory.", 32 => "Too many levels of symbolic links.", 33 => "File descriptor value too large.", 34 => "Too many links.", 35 => "Message too large.", 36 => "Reserved.", 37 => "Filename too long.", 38 => "Network is down.", 39 => "Connection aborted by network.", 40 => "Network unreachable.", 41 => "Too many files open in system.", 42 => "No buffer space available.", 43 => "No such device.", 44 => "No such file or directory.", 45 => "Executable file format error.", 46 => "No locks available.", 47 => "Reserved.", 48 => "Not enough space.", 49 => "No message of the desired type.", 50 => "Protocol not available.", 51 => "No space left on device.", 52 => "Function not supported.", 53 => "The socket is not connected.", 54 => "Not a directory or a symbolic link to a directory.", 55 => "Directory not empty.", 56 => "State not recoverable.", 57 => "Not a socket.", 58 => "Not supported, or operation not supported on socket.", 59 => "Inappropriate I/O control operation.", 60 => "No such device or address.", 61 => "Value too large to be stored in data type.", 62 => "Previous owner died.", 63 => "Operation not permitted.", 64 => "Broken pipe.", 65 => "Protocol error.", 66 => "Protocol not supported.", 67 => "Protocol wrong type for socket.", 68 => "Result too large.", 69 => "Read-only file system.", 70 => "Invalid seek.", 71 => "No such process.", 72 => "Reserved.", 73 => "Connection timed out.", 74 => "Text file busy.", 75 => "Cross-device link.", 76 => "Extension: Capabilities insufficient.",
_ => unsafe { core::hint::unreachable_unchecked() },
}
}
} impl fmt::Debug for Errno { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.debug_struct("Errno")
.field("code", &self.0)
.field("name", &self.name())
.field("message", &self.message())
.finish()
}
} impl fmt::Display for Errno { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{} (error {})", self.name(), self.0)
}
}
pubtype Rights = u64; /// The right to invoke `fd_datasync`. /// If `path_open` is set, includes the right to invoke /// `path_open` with `fdflags::dsync`. pubconst RIGHTS_FD_DATASYNC: Rights = 1 << 0; /// The right to invoke `fd_read` and `sock_recv`. /// If `rights::fd_seek` is set, includes the right to invoke `fd_pread`. pubconst RIGHTS_FD_READ: Rights = 1 << 1; /// The right to invoke `fd_seek`. This flag implies `rights::fd_tell`. pubconst RIGHTS_FD_SEEK: Rights = 1 << 2; /// The right to invoke `fd_fdstat_set_flags`. pubconst RIGHTS_FD_FDSTAT_SET_FLAGS: Rights = 1 << 3; /// The right to invoke `fd_sync`. /// If `path_open` is set, includes the right to invoke /// `path_open` with `fdflags::rsync` and `fdflags::dsync`. pubconst RIGHTS_FD_SYNC: Rights = 1 << 4; /// The right to invoke `fd_seek` in such a way that the file offset /// remains unaltered (i.e., `whence::cur` with offset zero), or to /// invoke `fd_tell`. pubconst RIGHTS_FD_TELL: Rights = 1 << 5; /// The right to invoke `fd_write` and `sock_send`. /// If `rights::fd_seek` is set, includes the right to invoke `fd_pwrite`. pubconst RIGHTS_FD_WRITE: Rights = 1 << 6; /// The right to invoke `fd_advise`. pubconst RIGHTS_FD_ADVISE: Rights = 1 << 7; /// The right to invoke `fd_allocate`. pubconst RIGHTS_FD_ALLOCATE: Rights = 1 << 8; /// The right to invoke `path_create_directory`. pubconst RIGHTS_PATH_CREATE_DIRECTORY: Rights = 1 << 9; /// If `path_open` is set, the right to invoke `path_open` with `oflags::creat`. pubconst RIGHTS_PATH_CREATE_FILE: Rights = 1 << 10; /// The right to invoke `path_link` with the file descriptor as the /// source directory. pubconst RIGHTS_PATH_LINK_SOURCE: Rights = 1 << 11; /// The right to invoke `path_link` with the file descriptor as the /// target directory. pubconst RIGHTS_PATH_LINK_TARGET: Rights = 1 << 12; /// The right to invoke `path_open`. pubconst RIGHTS_PATH_OPEN: Rights = 1 << 13; /// The right to invoke `fd_readdir`. pubconst RIGHTS_FD_READDIR: Rights = 1 << 14; /// The right to invoke `path_readlink`. pubconst RIGHTS_PATH_READLINK: Rights = 1 << 15; /// The right to invoke `path_rename` with the file descriptor as the source directory. pubconst RIGHTS_PATH_RENAME_SOURCE: Rights = 1 << 16; /// The right to invoke `path_rename` with the file descriptor as the target directory. pubconst RIGHTS_PATH_RENAME_TARGET: Rights = 1 << 17; /// The right to invoke `path_filestat_get`. pubconst RIGHTS_PATH_FILESTAT_GET: Rights = 1 << 18; /// The right to change a file's size (there is no `path_filestat_set_size`). /// If `path_open` is set, includes the right to invoke `path_open` with `oflags::trunc`. pubconst RIGHTS_PATH_FILESTAT_SET_SIZE: Rights = 1 << 19; /// The right to invoke `path_filestat_set_times`. pubconst RIGHTS_PATH_FILESTAT_SET_TIMES: Rights = 1 << 20; /// The right to invoke `fd_filestat_get`. pubconst RIGHTS_FD_FILESTAT_GET: Rights = 1 << 21; /// The right to invoke `fd_filestat_set_size`. pubconst RIGHTS_FD_FILESTAT_SET_SIZE: Rights = 1 << 22; /// The right to invoke `fd_filestat_set_times`. pubconst RIGHTS_FD_FILESTAT_SET_TIMES: Rights = 1 << 23; /// The right to invoke `path_symlink`. pubconst RIGHTS_PATH_SYMLINK: Rights = 1 << 24; /// The right to invoke `path_remove_directory`. pubconst RIGHTS_PATH_REMOVE_DIRECTORY: Rights = 1 << 25; /// The right to invoke `path_unlink_file`. pubconst RIGHTS_PATH_UNLINK_FILE: Rights = 1 << 26; /// If `rights::fd_read` is set, includes the right to invoke `poll_oneoff` to subscribe to `eventtype::fd_read`. /// If `rights::fd_write` is set, includes the right to invoke `poll_oneoff` to subscribe to `eventtype::fd_write`. pubconst RIGHTS_POLL_FD_READWRITE: Rights = 1 << 27; /// The right to invoke `sock_shutdown`. pubconst RIGHTS_SOCK_SHUTDOWN: Rights = 1 << 28; /// The right to invoke `sock_accept`. pubconst RIGHTS_SOCK_ACCEPT: Rights = 1 << 29;
pubtype Fd = u32; #[repr(C)] #[derive(Copy, Clone, Debug)] pubstruct Iovec { /// The address of the buffer to be filled. pub buf: *mut u8, /// The length of the buffer to be filled. pub buf_len: Size,
} #[repr(C)] #[derive(Copy, Clone, Debug)] pubstruct Ciovec { /// The address of the buffer to be written. pub buf: *const u8, /// The length of the buffer to be written. pub buf_len: Size,
} pubtype IovecArray<'a> = &'a [Iovec]; pubtype CiovecArray<'a> = &'a [Ciovec]; pubtype Filedelta = i64; #[repr(transparent)] #[derive(Copy, Clone, Hash, Eq, PartialEq, Ord, PartialOrd)] pubstruct Whence(u8); /// Seek relative to start-of-file. pubconst WHENCE_SET: Whence = Whence(0); /// Seek relative to current position. pubconst WHENCE_CUR: Whence = Whence(1); /// Seek relative to end-of-file. pubconst WHENCE_END: Whence = Whence(2); impl Whence { pubconstfn raw(&self) -> u8 { self.0
}
pubtype Dircookie = u64; pubtype Dirnamlen = u32; pubtype Inode = u64; #[repr(transparent)] #[derive(Copy, Clone, Hash, Eq, PartialEq, Ord, PartialOrd)] pubstruct Filetype(u8); /// The type of the file descriptor or file is unknown or is different from any of the other types specified. pubconst FILETYPE_UNKNOWN: Filetype = Filetype(0); /// The file descriptor or file refers to a block device inode. pubconst FILETYPE_BLOCK_DEVICE: Filetype = Filetype(1); /// The file descriptor or file refers to a character device inode. pubconst FILETYPE_CHARACTER_DEVICE: Filetype = Filetype(2); /// The file descriptor or file refers to a directory inode. pubconst FILETYPE_DIRECTORY: Filetype = Filetype(3); /// The file descriptor or file refers to a regular file inode. pubconst FILETYPE_REGULAR_FILE: Filetype = Filetype(4); /// The file descriptor or file refers to a datagram socket. pubconst FILETYPE_SOCKET_DGRAM: Filetype = Filetype(5); /// The file descriptor or file refers to a byte-stream socket. pubconst FILETYPE_SOCKET_STREAM: Filetype = Filetype(6); /// The file refers to a symbolic link inode. pubconst FILETYPE_SYMBOLIC_LINK: Filetype = Filetype(7); impl Filetype { pubconstfn raw(&self) -> u8 { self.0
}
pubfn name(&self) -> &'static str { matchself.0 { 0 => "UNKNOWN", 1 => "BLOCK_DEVICE", 2 => "CHARACTER_DEVICE", 3 => "DIRECTORY", 4 => "REGULAR_FILE", 5 => "SOCKET_DGRAM", 6 => "SOCKET_STREAM", 7 => "SYMBOLIC_LINK",
_ => unsafe { core::hint::unreachable_unchecked() },
}
} pubfn message(&self) -> &'static str { matchself.0 {0 => "The type of the file descriptor or file is unknown or is different from any of the other types specified.",1 => "The file descriptor or file refers to a block device inode.",2 => "The file descriptor or file refers to a character device inode.",3 => "The file descriptor or file refers to a directory inode.",4 => "The file descriptor or file refers to a regular file inode.",5 => "The file descriptor or file refers to a datagram socket.",6 => "The file descriptor or file refers to a byte-stream socket.",7 => "The file refers to a symbolic link inode.",_ => unsafe { core::hint::unreachable_unchecked() },}
}
} impl fmt::Debug for Filetype { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.debug_struct("Filetype")
.field("code", &self.0)
.field("name", &self.name())
.field("message", &self.message())
.finish()
}
}
#[repr(C)] #[derive(Copy, Clone, Debug)] pubstruct Dirent { /// The offset of the next directory entry stored in this directory. pub d_next: Dircookie, /// The serial number of the file referred to by this directory entry. pub d_ino: Inode, /// The length of the name of the directory entry. pub d_namlen: Dirnamlen, /// The type of the file referred to by this directory entry. pub d_type: Filetype,
} #[repr(transparent)] #[derive(Copy, Clone, Hash, Eq, PartialEq, Ord, PartialOrd)] pubstruct Advice(u8); /// The application has no advice to give on its behavior with respect to the specified data. pubconst ADVICE_NORMAL: Advice = Advice(0); /// The application expects to access the specified data sequentially from lower offsets to higher offsets. pubconst ADVICE_SEQUENTIAL: Advice = Advice(1); /// The application expects to access the specified data in a random order. pubconst ADVICE_RANDOM: Advice = Advice(2); /// The application expects to access the specified data in the near future. pubconst ADVICE_WILLNEED: Advice = Advice(3); /// The application expects that it will not access the specified data in the near future. pubconst ADVICE_DONTNEED: Advice = Advice(4); /// The application expects to access the specified data once and then not reuse it thereafter. pubconst ADVICE_NOREUSE: Advice = Advice(5); impl Advice { pubconstfn raw(&self) -> u8 { self.0
}
pubfn name(&self) -> &'static str { matchself.0 { 0 => "NORMAL", 1 => "SEQUENTIAL", 2 => "RANDOM", 3 => "WILLNEED", 4 => "DONTNEED", 5 => "NOREUSE",
_ => unsafe { core::hint::unreachable_unchecked() },
}
} pubfn message(&self) -> &'static str { matchself.0 {0 => "The application has no advice to give on its behavior with respect to the specified data.",1 => "The application expects to access the specified data sequentially from lower offsets to higher offsets.",2 => "The application expects to access the specified data in a random order.",3 => "The application expects to access the specified data in the near future.",4 => "The application expects that it will not access the specified data in the near future.",5 => "The application expects to access the specified data once and then not reuse it thereafter.",_ => unsafe { core::hint::unreachable_unchecked() },}
}
} impl fmt::Debug for Advice { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.debug_struct("Advice")
.field("code", &self.0)
.field("name", &self.name())
.field("message", &self.message())
.finish()
}
}
pubtype Fdflags = u16; /// Append mode: Data written to the file is always appended to the file's end. pubconst FDFLAGS_APPEND: Fdflags = 1 << 0; /// Write according to synchronized I/O data integrity completion. Only the data stored in the file is synchronized. pubconst FDFLAGS_DSYNC: Fdflags = 1 << 1; /// Non-blocking mode. pubconst FDFLAGS_NONBLOCK: Fdflags = 1 << 2; /// Synchronized read I/O operations. pubconst FDFLAGS_RSYNC: Fdflags = 1 << 3; /// Write according to synchronized I/O file integrity completion. In /// addition to synchronizing the data stored in the file, the implementation /// may also synchronously update the file's metadata. pubconst FDFLAGS_SYNC: Fdflags = 1 << 4;
#[repr(C)] #[derive(Copy, Clone, Debug)] pubstruct Fdstat { /// File type. pub fs_filetype: Filetype, /// File descriptor flags. pub fs_flags: Fdflags, /// Rights that apply to this file descriptor. pub fs_rights_base: Rights, /// Maximum set of rights that may be installed on new file descriptors that /// are created through this file descriptor, e.g., through `path_open`. pub fs_rights_inheriting: Rights,
} pubtype Device = u64; pubtype Fstflags = u16; /// Adjust the last data access timestamp to the value stored in `filestat::atim`. pubconst FSTFLAGS_ATIM: Fstflags = 1 << 0; /// Adjust the last data access timestamp to the time of clock `clockid::realtime`. pubconst FSTFLAGS_ATIM_NOW: Fstflags = 1 << 1; /// Adjust the last data modification timestamp to the value stored in `filestat::mtim`. pubconst FSTFLAGS_MTIM: Fstflags = 1 << 2; /// Adjust the last data modification timestamp to the time of clock `clockid::realtime`. pubconst FSTFLAGS_MTIM_NOW: Fstflags = 1 << 3;
pubtype Lookupflags = u32; /// As long as the resolved path corresponds to a symbolic link, it is expanded. pubconst LOOKUPFLAGS_SYMLINK_FOLLOW: Lookupflags = 1 << 0;
pubtype Oflags = u16; /// Create file if it does not exist. pubconst OFLAGS_CREAT: Oflags = 1 << 0; /// Fail if not a directory. pubconst OFLAGS_DIRECTORY: Oflags = 1 << 1; /// Fail if file already exists. pubconst OFLAGS_EXCL: Oflags = 1 << 2; /// Truncate file to size 0. pubconst OFLAGS_TRUNC: Oflags = 1 << 3;
pubtype Linkcount = u64; #[repr(C)] #[derive(Copy, Clone, Debug)] pubstruct Filestat { /// Device ID of device containing the file. pub dev: Device, /// File serial number. pub ino: Inode, /// File type. pub filetype: Filetype, /// Number of hard links to the file. pub nlink: Linkcount, /// For regular files, the file size in bytes. For symbolic links, the length in bytes of the pathname contained in the symbolic link. pub size: Filesize, /// Last data access timestamp. pub atim: Timestamp, /// Last data modification timestamp. pub mtim: Timestamp, /// Last file status change timestamp. pub ctim: Timestamp,
} pubtype Userdata = u64; #[repr(transparent)] #[derive(Copy, Clone, Hash, Eq, PartialEq, Ord, PartialOrd)] pubstruct Eventtype(u8); /// The time value of clock `subscription_clock::id` has /// reached timestamp `subscription_clock::timeout`. pubconst EVENTTYPE_CLOCK: Eventtype = Eventtype(0); /// File descriptor `subscription_fd_readwrite::file_descriptor` has data /// available for reading. This event always triggers for regular files. pubconst EVENTTYPE_FD_READ: Eventtype = Eventtype(1); /// File descriptor `subscription_fd_readwrite::file_descriptor` has capacity /// available for writing. This event always triggers for regular files. pubconst EVENTTYPE_FD_WRITE: Eventtype = Eventtype(2); impl Eventtype { pubconstfn raw(&self) -> u8 { self.0
}
pubfn name(&self) -> &'static str { matchself.0 { 0 => "CLOCK", 1 => "FD_READ", 2 => "FD_WRITE",
_ => unsafe { core::hint::unreachable_unchecked() },
}
} pubfn message(&self) -> &'static str { matchself.0 { 0 => { "The time value of clock `subscription_clock::id` has
reached timestamp `subscription_clock::timeout`."
} 1 => { "File descriptor `subscription_fd_readwrite::file_descriptor` has data
available for reading. This event always triggers for regular files."
} 2 => { "File descriptor `subscription_fd_readwrite::file_descriptor` has capacity
available for writing. This event always triggers for regular files."
}
_ => unsafe { core::hint::unreachable_unchecked() },
}
}
} impl fmt::Debug for Eventtype { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.debug_struct("Eventtype")
.field("code", &self.0)
.field("name", &self.name())
.field("message", &self.message())
.finish()
}
}
pubtype Eventrwflags = u16; /// The peer of this socket has closed or disconnected. pubconst EVENTRWFLAGS_FD_READWRITE_HANGUP: Eventrwflags = 1 << 0;
#[repr(C)] #[derive(Copy, Clone, Debug)] pubstruct EventFdReadwrite { /// The number of bytes available for reading or writing. pub nbytes: Filesize, /// The state of the file descriptor. pub flags: Eventrwflags,
} #[repr(C)] #[derive(Copy, Clone, Debug)] pubstruct Event { /// User-provided value that got attached to `subscription::userdata`. pub userdata: Userdata, /// If non-zero, an error that occurred while processing the subscription request. pub error: Errno, /// The type of event that occured pub type_: Eventtype, /// The contents of the event, if it is an `eventtype::fd_read` or /// `eventtype::fd_write`. `eventtype::clock` events ignore this field. pub fd_readwrite: EventFdReadwrite,
} pubtype Subclockflags = u16; /// If set, treat the timestamp provided in /// `subscription_clock::timeout` as an absolute timestamp of clock /// `subscription_clock::id`. If clear, treat the timestamp /// provided in `subscription_clock::timeout` relative to the /// current time value of clock `subscription_clock::id`. pubconst SUBCLOCKFLAGS_SUBSCRIPTION_CLOCK_ABSTIME: Subclockflags = 1 << 0;
#[repr(C)] #[derive(Copy, Clone, Debug)] pubstruct SubscriptionClock { /// The clock against which to compare the timestamp. pub id: Clockid, /// The absolute or relative timestamp. pub timeout: Timestamp, /// The amount of time that the implementation may wait additionally /// to coalesce with other events. pub precision: Timestamp, /// Flags specifying whether the timeout is absolute or relative pub flags: Subclockflags,
} #[repr(C)] #[derive(Copy, Clone, Debug)] pubstruct SubscriptionFdReadwrite { /// The file descriptor on which to wait for it to become ready for reading or writing. pub file_descriptor: Fd,
} #[repr(C)] #[derive(Copy, Clone)] pub union SubscriptionUU { pub clock: SubscriptionClock, pub fd_read: SubscriptionFdReadwrite, pub fd_write: SubscriptionFdReadwrite,
} #[repr(C)] #[derive(Copy, Clone)] pubstruct SubscriptionU { pub tag: u8, pub u: SubscriptionUU,
}
#[repr(C)] #[derive(Copy, Clone)] pubstruct Subscription { /// User-provided value that is attached to the subscription in the /// implementation and returned through `event::userdata`. pub userdata: Userdata, /// The type of the event to which to subscribe, and its contents pub u: SubscriptionU,
} pubtype Exitcode = u32; #[repr(transparent)] #[derive(Copy, Clone, Hash, Eq, PartialEq, Ord, PartialOrd)] pubstruct Signal(u8); /// No signal. Note that POSIX has special semantics for `kill(pid, 0)`, /// so this value is reserved. pubconst SIGNAL_NONE: Signal = Signal(0); /// Hangup. /// Action: Terminates the process. pubconst SIGNAL_HUP: Signal = Signal(1); /// Terminate interrupt signal. /// Action: Terminates the process. pubconst SIGNAL_INT: Signal = Signal(2); /// Terminal quit signal. /// Action: Terminates the process. pubconst SIGNAL_QUIT: Signal = Signal(3); /// Illegal instruction. /// Action: Terminates the process. pubconst SIGNAL_ILL: Signal = Signal(4); /// Trace/breakpoint trap. /// Action: Terminates the process. pubconst SIGNAL_TRAP: Signal = Signal(5); /// Process abort signal. /// Action: Terminates the process. pubconst SIGNAL_ABRT: Signal = Signal(6); /// Access to an undefined portion of a memory object. /// Action: Terminates the process. pubconst SIGNAL_BUS: Signal = Signal(7); /// Erroneous arithmetic operation. /// Action: Terminates the process. pubconst SIGNAL_FPE: Signal = Signal(8); /// Kill. /// Action: Terminates the process. pubconst SIGNAL_KILL: Signal = Signal(9); /// User-defined signal 1. /// Action: Terminates the process. pubconst SIGNAL_USR1: Signal = Signal(10); /// Invalid memory reference. /// Action: Terminates the process. pubconst SIGNAL_SEGV: Signal = Signal(11); /// User-defined signal 2. /// Action: Terminates the process. pubconst SIGNAL_USR2: Signal = Signal(12); /// Write on a pipe with no one to read it. /// Action: Ignored. pubconst SIGNAL_PIPE: Signal = Signal(13); /// Alarm clock. /// Action: Terminates the process. pubconst SIGNAL_ALRM: Signal = Signal(14); /// Termination signal. /// Action: Terminates the process. pubconst SIGNAL_TERM: Signal = Signal(15); /// Child process terminated, stopped, or continued. /// Action: Ignored. pubconst SIGNAL_CHLD: Signal = Signal(16); /// Continue executing, if stopped. /// Action: Continues executing, if stopped. pubconst SIGNAL_CONT: Signal = Signal(17); /// Stop executing. /// Action: Stops executing. pubconst SIGNAL_STOP: Signal = Signal(18); /// Terminal stop signal. /// Action: Stops executing. pubconst SIGNAL_TSTP: Signal = Signal(19); /// Background process attempting read. /// Action: Stops executing. pubconst SIGNAL_TTIN: Signal = Signal(20); /// Background process attempting write. /// Action: Stops executing. pubconst SIGNAL_TTOU: Signal = Signal(21); /// High bandwidth data is available at a socket. /// Action: Ignored. pubconst SIGNAL_URG: Signal = Signal(22); /// CPU time limit exceeded. /// Action: Terminates the process. pubconst SIGNAL_XCPU: Signal = Signal(23); /// File size limit exceeded. /// Action: Terminates the process. pubconst SIGNAL_XFSZ: Signal = Signal(24); /// Virtual timer expired. /// Action: Terminates the process. pubconst SIGNAL_VTALRM: Signal = Signal(25); /// Profiling timer expired. /// Action: Terminates the process. pubconst SIGNAL_PROF: Signal = Signal(26); /// Window changed. /// Action: Ignored. pubconst SIGNAL_WINCH: Signal = Signal(27); /// I/O possible. /// Action: Terminates the process. pubconst SIGNAL_POLL: Signal = Signal(28); /// Power failure. /// Action: Terminates the process. pubconst SIGNAL_PWR: Signal = Signal(29); /// Bad system call. /// Action: Terminates the process. pubconst SIGNAL_SYS: Signal = Signal(30); impl Signal { pubconstfn raw(&self) -> u8 { self.0
}
pubfn name(&self) -> &'static str { matchself.0 { 0 => "NONE", 1 => "HUP", 2 => "INT", 3 => "QUIT", 4 => "ILL", 5 => "TRAP", 6 => "ABRT", 7 => "BUS", 8 => "FPE", 9 => "KILL", 10 => "USR1", 11 => "SEGV", 12 => "USR2", 13 => "PIPE", 14 => "ALRM", 15 => "TERM", 16 => "CHLD", 17 => "CONT", 18 => "STOP", 19 => "TSTP", 20 => "TTIN", 21 => "TTOU", 22 => "URG", 23 => "XCPU", 24 => "XFSZ", 25 => "VTALRM", 26 => "PROF", 27 => "WINCH", 28 => "POLL", 29 => "PWR", 30 => "SYS",
_ => unsafe { core::hint::unreachable_unchecked() },
}
} pubfn message(&self) -> &'static str { matchself.0 { 0 => { "No signal. Note that POSIX has special semantics for `kill(pid, 0)`,
so this value is reserved."
} 1 => { "Hangup.
Action: Terminates the process."
} 2 => { "Terminate interrupt signal.
Action: Terminates the process."
} 3 => { "Terminal quit signal.
Action: Terminates the process."
} 4 => { "Illegal instruction.
Action: Terminates the process."
} 5 => { "Trace/breakpoint trap.
Action: Terminates the process."
} 6 => { "Process abort signal.
Action: Terminates the process."
} 7 => { "Access to an undefined portion of a memory object.
Action: Terminates the process."
} 8 => { "Erroneous arithmetic operation.
Action: Terminates the process."
} 9 => { "Kill.
Action: Terminates the process."
} 10 => { "User-defined signal 1.
Action: Terminates the process."
} 11 => { "Invalid memory reference.
Action: Terminates the process."
} 12 => { "User-defined signal 2.
Action: Terminates the process."
} 13 => { "Write on a pipe with no one to read it.
Action: Ignored."
} 14 => { "Alarm clock.
Action: Terminates the process."
} 15 => { "Termination signal.
Action: Terminates the process."
} 16 => { "Child process terminated, stopped, or continued.
Action: Ignored."
} 17 => { "Continue executing, if stopped.
Action: Continues executing, if stopped."
} 18 => { "Stop executing.
Action: Stops executing."
} 19 => { "Terminal stop signal.
Action: Stops executing."
} 20 => { "Background process attempting read.
Action: Stops executing."
} 21 => { "Background process attempting write.
Action: Stops executing."
} 22 => { "High bandwidth data is available at a socket.
Action: Ignored."
} 23 => { "CPU time limit exceeded.
Action: Terminates the process."
} 24 => { "File size limit exceeded.
Action: Terminates the process."
} 25 => { "Virtual timer expired.
Action: Terminates the process."
} 26 => { "Profiling timer expired.
Action: Terminates the process."
} 27 => { "Window changed.
Action: Ignored."
} 28 => { "I/O possible.
Action: Terminates the process."
} 29 => { "Power failure.
Action: Terminates the process."
} 30 => { "Bad system call.
Action: Terminates the process."
}
_ => unsafe { core::hint::unreachable_unchecked() },
}
}
} impl fmt::Debug for Signal { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.debug_struct("Signal")
.field("code", &self.0)
.field("name", &self.name())
.field("message", &self.message())
.finish()
}
}
pubtype Riflags = u16; /// Returns the message without removing it from the socket's receive queue. pubconst RIFLAGS_RECV_PEEK: Riflags = 1 << 0; /// On byte-stream sockets, block until the full amount of data can be returned. pubconst RIFLAGS_RECV_WAITALL: Riflags = 1 << 1;
pubtype Roflags = u16; /// Returned by `sock_recv`: Message data has been truncated. pubconst ROFLAGS_RECV_DATA_TRUNCATED: Roflags = 1 << 0;
#[repr(C)] #[derive(Copy, Clone, Debug)] pubstruct PrestatDir { /// The length of the directory name for use with `fd_prestat_dir_name`. pub pr_name_len: Size,
} #[repr(C)] #[derive(Copy, Clone)] pub union PrestatU { pub dir: PrestatDir,
} #[repr(C)] #[derive(Copy, Clone)] pubstruct Prestat { pub tag: u8, pub u: PrestatU,
}
/// Read command-line argument data. /// The size of the array should match that returned by `args_sizes_get`. /// Each argument is expected to be `\0` terminated. pubunsafefn args_get(argv: *mut *mut u8, argv_buf: *mut u8) -> Result<(), Errno> { let ret = wasi_snapshot_preview1::args_get(argv as i32, argv_buf as i32); match ret { 0 => Ok(()),
_ => Err(Errno(ret as u16)),
}
}
/// Return command-line argument data sizes. /// /// ## Return /// /// Returns the number of arguments and the size of the argument string /// data, or an error. pubunsafefn args_sizes_get() -> Result<(Size, Size), Errno> { letmut rp0 = MaybeUninit::<Size>::uninit(); letmut rp1 = MaybeUninit::<Size>::uninit(); let ret =
wasi_snapshot_preview1::args_sizes_get(rp0.as_mut_ptr() as i32, rp1.as_mut_ptr() as i32); match ret { 0 => Ok((
core::ptr::read(rp0.as_mut_ptr() as i32 as *const Size),
core::ptr::read(rp1.as_mut_ptr() as i32 as *const Size),
)),
_ => Err(Errno(ret as u16)),
}
}
/// Read environment variable data. /// The sizes of the buffers should match that returned by `environ_sizes_get`. /// Key/value pairs are expected to be joined with `=`s, and terminated with `\0`s. pubunsafefn environ_get(environ: *mut *mut u8, environ_buf: *mut u8) -> Result<(), Errno> { let ret = wasi_snapshot_preview1::environ_get(environ as i32, environ_buf as i32); match ret { 0 => Ok(()),
_ => Err(Errno(ret as u16)),
}
}
/// Return environment variable data sizes. /// /// ## Return /// /// Returns the number of environment variable arguments and the size of the /// environment variable data. pubunsafefn environ_sizes_get() -> Result<(Size, Size), Errno> { letmut rp0 = MaybeUninit::<Size>::uninit(); letmut rp1 = MaybeUninit::<Size>::uninit(); let ret =
wasi_snapshot_preview1::environ_sizes_get(rp0.as_mut_ptr() as i32, rp1.as_mut_ptr() as i32); match ret { 0 => Ok((
core::ptr::read(rp0.as_mut_ptr() as i32 as *const Size),
core::ptr::read(rp1.as_mut_ptr() as i32 as *const Size),
)),
_ => Err(Errno(ret as u16)),
}
}
/// Return the resolution of a clock. /// Implementations are required to provide a non-zero value for supported clocks. For unsupported clocks, /// return `errno::inval`. /// Note: This is similar to `clock_getres` in POSIX. /// /// ## Parameters /// /// * `id` - The clock for which to return the resolution. /// /// ## Return /// /// The resolution of the clock, or an error if one happened. pubunsafefn clock_res_get(id: Clockid) -> Result<Timestamp, Errno> { letmut rp0 = MaybeUninit::<Timestamp>::uninit(); let ret = wasi_snapshot_preview1::clock_res_get(id.0as i32, rp0.as_mut_ptr() as i32); match ret { 0 => Ok(core::ptr::read(rp0.as_mut_ptr() as i32 as *const Timestamp)),
_ => Err(Errno(ret as u16)),
}
}
/// Return the time value of a clock. /// Note: This is similar to `clock_gettime` in POSIX. /// /// ## Parameters /// /// * `id` - The clock for which to return the time. /// * `precision` - The maximum lag (exclusive) that the returned time value may have, compared to its actual value. /// /// ## Return /// /// The time value of the clock. pubunsafefn clock_time_get(id: Clockid, precision: Timestamp) -> Result<Timestamp, Errno> { letmut rp0 = MaybeUninit::<Timestamp>::uninit(); let ret = wasi_snapshot_preview1::clock_time_get(
id.0as i32,
precision as i64,
rp0.as_mut_ptr() as i32,
); match ret { 0 => Ok(core::ptr::read(rp0.as_mut_ptr() as i32 as *const Timestamp)),
_ => Err(Errno(ret as u16)),
}
}
/// Provide file advisory information on a file descriptor. /// Note: This is similar to `posix_fadvise` in POSIX. /// /// ## Parameters /// /// * `offset` - The offset within the file to which the advisory applies. /// * `len` - The length of the region to which the advisory applies. /// * `advice` - The advice. pubunsafefn fd_advise(
fd: Fd,
offset: Filesize,
len: Filesize,
advice: Advice,
) -> Result<(), Errno> { let ret =
wasi_snapshot_preview1::fd_advise(fd as i32, offset as i64, len as i64, advice.0as i32); match ret { 0 => Ok(()),
_ => Err(Errno(ret as u16)),
}
}
/// Force the allocation of space in a file. /// Note: This is similar to `posix_fallocate` in POSIX. /// /// ## Parameters /// /// * `offset` - The offset at which to start the allocation. /// * `len` - The length of the area that is allocated. pubunsafefn fd_allocate(fd: Fd, offset: Filesize, len: Filesize) -> Result<(), Errno> { let ret = wasi_snapshot_preview1::fd_allocate(fd as i32, offset as i64, len as i64); match ret { 0 => Ok(()),
_ => Err(Errno(ret as u16)),
}
}
/// Close a file descriptor. /// Note: This is similar to `close` in POSIX. pubunsafefn fd_close(fd: Fd) -> Result<(), Errno> { let ret = wasi_snapshot_preview1::fd_close(fd as i32); match ret { 0 => Ok(()),
_ => Err(Errno(ret as u16)),
}
}
/// Synchronize the data of a file to disk. /// Note: This is similar to `fdatasync` in POSIX. pubunsafefn fd_datasync(fd: Fd) -> Result<(), Errno> { let ret = wasi_snapshot_preview1::fd_datasync(fd as i32); match ret { 0 => Ok(()),
_ => Err(Errno(ret as u16)),
}
}
/// Get the attributes of a file descriptor. /// Note: This returns similar flags to `fsync(fd, F_GETFL)` in POSIX, as well as additional fields. /// /// ## Return /// /// The buffer where the file descriptor's attributes are stored. pubunsafefn fd_fdstat_get(fd: Fd) -> Result<Fdstat, Errno> { letmut rp0 = MaybeUninit::<Fdstat>::uninit(); let ret = wasi_snapshot_preview1::fd_fdstat_get(fd as i32, rp0.as_mut_ptr() as i32); match ret { 0 => Ok(core::ptr::read(rp0.as_mut_ptr() as i32 as *const Fdstat)),
_ => Err(Errno(ret as u16)),
}
}
/// Adjust the flags associated with a file descriptor. /// Note: This is similar to `fcntl(fd, F_SETFL, flags)` in POSIX. /// /// ## Parameters /// /// * `flags` - The desired values of the file descriptor flags. pubunsafefn fd_fdstat_set_flags(fd: Fd, flags: Fdflags) -> Result<(), Errno> { let ret = wasi_snapshot_preview1::fd_fdstat_set_flags(fd as i32, flags as i32); match ret { 0 => Ok(()),
_ => Err(Errno(ret as u16)),
}
}
/// Adjust the rights associated with a file descriptor. /// This can only be used to remove rights, and returns `errno::notcapable` if called in a way that would attempt to add rights /// /// ## Parameters /// /// * `fs_rights_base` - The desired rights of the file descriptor. pubunsafefn fd_fdstat_set_rights(
fd: Fd,
fs_rights_base: Rights,
fs_rights_inheriting: Rights,
) -> Result<(), Errno> { let ret = wasi_snapshot_preview1::fd_fdstat_set_rights(
fd as i32,
fs_rights_base as i64,
fs_rights_inheriting as i64,
); match ret { 0 => Ok(()),
_ => Err(Errno(ret as u16)),
}
}
/// Return the attributes of an open file. /// /// ## Return /// /// The buffer where the file's attributes are stored. pubunsafefn fd_filestat_get(fd: Fd) -> Result<Filestat, Errno> { letmut rp0 = MaybeUninit::<Filestat>::uninit(); let ret = wasi_snapshot_preview1::fd_filestat_get(fd as i32, rp0.as_mut_ptr() as i32); match ret { 0 => Ok(core::ptr::read(rp0.as_mut_ptr() as i32 as *const Filestat)),
_ => Err(Errno(ret as u16)),
}
}
/// Adjust the size of an open file. If this increases the file's size, the extra bytes are filled with zeros. /// Note: This is similar to `ftruncate` in POSIX. /// /// ## Parameters /// /// * `size` - The desired file size. pubunsafefn fd_filestat_set_size(fd: Fd, size: Filesize) -> Result<(), Errno> { let ret = wasi_snapshot_preview1::fd_filestat_set_size(fd as i32, size as i64); match ret { 0 => Ok(()),
_ => Err(Errno(ret as u16)),
}
}
/// Adjust the timestamps of an open file or directory. /// Note: This is similar to `futimens` in POSIX. /// /// ## Parameters /// /// * `atim` - The desired values of the data access timestamp. /// * `mtim` - The desired values of the data modification timestamp. /// * `fst_flags` - A bitmask indicating which timestamps to adjust. pubunsafefn fd_filestat_set_times(
fd: Fd,
atim: Timestamp,
mtim: Timestamp,
fst_flags: Fstflags,
) -> Result<(), Errno> { let ret = wasi_snapshot_preview1::fd_filestat_set_times(
fd as i32,
atim as i64,
mtim as i64,
fst_flags as i32,
); match ret { 0 => Ok(()),
_ => Err(Errno(ret as u16)),
}
}
/// Read from a file descriptor, without using and updating the file descriptor's offset. /// Note: This is similar to `preadv` in POSIX. /// /// ## Parameters /// /// * `iovs` - List of scatter/gather vectors in which to store data. /// * `offset` - The offset within the file at which to read. /// /// ## Return /// /// The number of bytes read. pubunsafefn fd_pread(fd: Fd, iovs: IovecArray<'_>, offset: Filesize) -> Result<Size, Errno> { letmut rp0 = MaybeUninit::<Size>::uninit(); let ret = wasi_snapshot_preview1::fd_pread(
fd as i32,
iovs.as_ptr() as i32,
iovs.len() as i32,
offset as i64,
rp0.as_mut_ptr() as i32,
); match ret { 0 => Ok(core::ptr::read(rp0.as_mut_ptr() as i32 as *const Size)),
_ => Err(Errno(ret as u16)),
}
}
/// Return a description of the given preopened file descriptor. /// /// ## Return /// /// The buffer where the description is stored. pubunsafefn fd_prestat_get(fd: Fd) -> Result<Prestat, Errno> { letmut rp0 = MaybeUninit::<Prestat>::uninit(); let ret = wasi_snapshot_preview1::fd_prestat_get(fd as i32, rp0.as_mut_ptr() as i32); match ret { 0 => Ok(core::ptr::read(rp0.as_mut_ptr() as i32 as *const Prestat)),
_ => Err(Errno(ret as u16)),
}
}
/// Return a description of the given preopened file descriptor. /// /// ## Parameters /// /// * `path` - A buffer into which to write the preopened directory name. pubunsafefn fd_prestat_dir_name(fd: Fd, path: *mut u8, path_len: Size) -> Result<(), Errno> { let ret = wasi_snapshot_preview1::fd_prestat_dir_name(fd as i32, path as i32, path_len as i32); match ret { 0 => Ok(()),
_ => Err(Errno(ret as u16)),
}
}
/// Write to a file descriptor, without using and updating the file descriptor's offset. /// Note: This is similar to `pwritev` in POSIX. /// /// ## Parameters /// /// * `iovs` - List of scatter/gather vectors from which to retrieve data. /// * `offset` - The offset within the file at which to write. /// /// ## Return /// /// The number of bytes written. pubunsafefn fd_pwrite(fd: Fd, iovs: CiovecArray<'_>, offset: Filesize) -> Result<Size, Errno> { letmut rp0 = MaybeUninit::<Size>::uninit(); let ret = wasi_snapshot_preview1::fd_pwrite(
fd as i32,
iovs.as_ptr() as i32,
iovs.len() as i32,
offset as i64,
rp0.as_mut_ptr() as i32,
); match ret { 0 => Ok(core::ptr::read(rp0.as_mut_ptr() as i32 as *const Size)),
_ => Err(Errno(ret as u16)),
}
}
/// Read from a file descriptor. /// Note: This is similar to `readv` in POSIX. /// /// ## Parameters /// /// * `iovs` - List of scatter/gather vectors to which to store data. /// /// ## Return /// /// The number of bytes read. pubunsafefn fd_read(fd: Fd, iovs: IovecArray<'_>) -> Result<Size, Errno> { letmut rp0 = MaybeUninit::<Size>::uninit(); let ret = wasi_snapshot_preview1::fd_read(
fd as i32,
iovs.as_ptr() as i32,
iovs.len() as i32,
rp0.as_mut_ptr() as i32,
); match ret { 0 => Ok(core::ptr::read(rp0.as_mut_ptr() as i32 as *const Size)),
_ => Err(Errno(ret as u16)),
}
}
/// Read directory entries from a directory. /// When successful, the contents of the output buffer consist of a sequence of /// directory entries. Each directory entry consists of a `dirent` object, /// followed by `dirent::d_namlen` bytes holding the name of the directory /// entry. /// This function fills the output buffer as much as possible, potentially /// truncating the last directory entry. This allows the caller to grow its /// read buffer size in case it's too small to fit a single large directory /// entry, or skip the oversized directory entry. /// /// ## Parameters /// /// * `buf` - The buffer where directory entries are stored /// * `cookie` - The location within the directory to start reading /// /// ## Return /// /// The number of bytes stored in the read buffer. If less than the size of the read buffer, the end of the directory has been reached. pubunsafefn fd_readdir(
fd: Fd,
buf: *mut u8,
buf_len: Size,
cookie: Dircookie,
) -> Result<Size, Errno> { letmut rp0 = MaybeUninit::<Size>::uninit(); let ret = wasi_snapshot_preview1::fd_readdir(
fd as i32,
buf as i32,
buf_len as i32,
cookie as i64,
rp0.as_mut_ptr() as i32,
); match ret { 0 => Ok(core::ptr::read(rp0.as_mut_ptr() as i32 as *const Size)),
_ => Err(Errno(ret as u16)),
}
}
/// Atomically replace a file descriptor by renumbering another file descriptor. /// Due to the strong focus on thread safety, this environment does not provide /// a mechanism to duplicate or renumber a file descriptor to an arbitrary /// number, like `dup2()`. This would be prone to race conditions, as an actual /// file descriptor with the same number could be allocated by a different /// thread at the same time. /// This function provides a way to atomically renumber file descriptors, which /// would disappear if `dup2()` were to be removed entirely. /// /// ## Parameters /// /// * `to` - The file descriptor to overwrite. pubunsafefn fd_renumber(fd: Fd, to: Fd) -> Result<(), Errno> { let ret = wasi_snapshot_preview1::fd_renumber(fd as i32, to as i32); match ret { 0 => Ok(()),
_ => Err(Errno(ret as u16)),
}
}
/// Move the offset of a file descriptor. /// Note: This is similar to `lseek` in POSIX. /// /// ## Parameters /// /// * `offset` - The number of bytes to move. /// * `whence` - The base from which the offset is relative. /// /// ## Return /// /// The new offset of the file descriptor, relative to the start of the file. pubunsafefn fd_seek(fd: Fd, offset: Filedelta, whence: Whence) -> Result<Filesize, Errno> { letmut rp0 = MaybeUninit::<Filesize>::uninit(); let ret = wasi_snapshot_preview1::fd_seek(
fd as i32,
offset,
whence.0as i32,
rp0.as_mut_ptr() as i32,
); match ret { 0 => Ok(core::ptr::read(rp0.as_mut_ptr() as i32 as *const Filesize)),
_ => Err(Errno(ret as u16)),
}
}
/// Synchronize the data and metadata of a file to disk. /// Note: This is similar to `fsync` in POSIX. pubunsafefn fd_sync(fd: Fd) -> Result<(), Errno> { let ret = wasi_snapshot_preview1::fd_sync(fd as i32); match ret { 0 => Ok(()),
_ => Err(Errno(ret as u16)),
}
}
/// Return the current offset of a file descriptor. /// Note: This is similar to `lseek(fd, 0, SEEK_CUR)` in POSIX. /// /// ## Return /// /// The current offset of the file descriptor, relative to the start of the file. pubunsafefn fd_tell(fd: Fd) -> Result<Filesize, Errno> { letmut rp0 = MaybeUninit::<Filesize>::uninit(); let ret = wasi_snapshot_preview1::fd_tell(fd as i32, rp0.as_mut_ptr() as i32); match ret { 0 => Ok(core::ptr::read(rp0.as_mut_ptr() as i32 as *const Filesize)),
_ => Err(Errno(ret as u16)),
}
}
/// Write to a file descriptor. /// Note: This is similar to `writev` in POSIX. /// /// ## Parameters /// /// * `iovs` - List of scatter/gather vectors from which to retrieve data. pubunsafefn fd_write(fd: Fd, iovs: CiovecArray<'_>) -> Result<Size, Errno> { letmut rp0 = MaybeUninit::<Size>::uninit(); let ret = wasi_snapshot_preview1::fd_write(
fd as i32,
iovs.as_ptr() as i32,
iovs.len() as i32,
rp0.as_mut_ptr() as i32,
); match ret { 0 => Ok(core::ptr::read(rp0.as_mut_ptr() as i32 as *const Size)),
_ => Err(Errno(ret as u16)),
}
}
/// Create a directory. /// Note: This is similar to `mkdirat` in POSIX. /// /// ## Parameters /// /// * `path` - The path at which to create the directory. pubunsafefn path_create_directory(fd: Fd, path: &str) -> Result<(), Errno> { let ret = wasi_snapshot_preview1::path_create_directory(
fd as i32,
path.as_ptr() as i32,
path.len() as i32,
); match ret { 0 => Ok(()),
_ => Err(Errno(ret as u16)),
}
}
/// Return the attributes of a file or directory. /// Note: This is similar to `stat` in POSIX. /// /// ## Parameters /// /// * `flags` - Flags determining the method of how the path is resolved. /// * `path` - The path of the file or directory to inspect. /// /// ## Return /// /// The buffer where the file's attributes are stored. pubunsafefn path_filestat_get(fd: Fd, flags: Lookupflags, path: &str) -> Result<Filestat, Errno> { letmut rp0 = MaybeUninit::<Filestat>::uninit(); let ret = wasi_snapshot_preview1::path_filestat_get(
fd as i32,
flags as i32,
path.as_ptr() as i32,
path.len() as i32,
rp0.as_mut_ptr() as i32,
); match ret { 0 => Ok(core::ptr::read(rp0.as_mut_ptr() as i32 as *const Filestat)),
_ => Err(Errno(ret as u16)),
}
}
/// Adjust the timestamps of a file or directory. /// Note: This is similar to `utimensat` in POSIX. /// /// ## Parameters /// /// * `flags` - Flags determining the method of how the path is resolved. /// * `path` - The path of the file or directory to operate on. /// * `atim` - The desired values of the data access timestamp. /// * `mtim` - The desired values of the data modification timestamp. /// * `fst_flags` - A bitmask indicating which timestamps to adjust. pubunsafefn path_filestat_set_times(
fd: Fd,
flags: Lookupflags,
path: &str,
atim: Timestamp,
mtim: Timestamp,
fst_flags: Fstflags,
) -> Result<(), Errno> { let ret = wasi_snapshot_preview1::path_filestat_set_times(
fd as i32,
flags as i32,
path.as_ptr() as i32,
path.len() as i32,
atim as i64,
mtim as i64,
fst_flags as i32,
); match ret { 0 => Ok(()),
_ => Err(Errno(ret as u16)),
}
}
/// Create a hard link. /// Note: This is similar to `linkat` in POSIX. /// /// ## Parameters /// /// * `old_flags` - Flags determining the method of how the path is resolved. /// * `old_path` - The source path from which to link. /// * `new_fd` - The working directory at which the resolution of the new path starts. /// * `new_path` - The destination path at which to create the hard link. pubunsafefn path_link(
old_fd: Fd,
old_flags: Lookupflags,
old_path: &str,
new_fd: Fd,
new_path: &str,
) -> Result<(), Errno> { let ret = wasi_snapshot_preview1::path_link(
old_fd as i32,
old_flags as i32,
old_path.as_ptr() as i32,
old_path.len() as i32,
new_fd as i32,
new_path.as_ptr() as i32,
new_path.len() as i32,
); match ret { 0 => Ok(()),
_ => Err(Errno(ret as u16)),
}
}
/// Open a file or directory. /// The returned file descriptor is not guaranteed to be the lowest-numbered /// file descriptor not currently open; it is randomized to prevent /// applications from depending on making assumptions about indexes, since this /// is error-prone in multi-threaded contexts. The returned file descriptor is /// guaranteed to be less than 2**31. /// Note: This is similar to `openat` in POSIX. /// /// ## Parameters /// /// * `dirflags` - Flags determining the method of how the path is resolved. /// * `path` - The relative path of the file or directory to open, relative to the /// `path_open::fd` directory. /// * `oflags` - The method by which to open the file. /// * `fs_rights_base` - The initial rights of the newly created file descriptor. The /// implementation is allowed to return a file descriptor with fewer rights /// than specified, if and only if those rights do not apply to the type of /// file being opened. /// The *base* rights are rights that will apply to operations using the file /// descriptor itself, while the *inheriting* rights are rights that apply to /// file descriptors derived from it. /// /// ## Return /// /// The file descriptor of the file that has been opened. pubunsafefn path_open(
fd: Fd,
dirflags: Lookupflags,
path: &str,
oflags: Oflags,
fs_rights_base: Rights,
fs_rights_inheriting: Rights,
fdflags: Fdflags,
) -> Result<Fd, Errno> { letmut rp0 = MaybeUninit::<Fd>::uninit(); let ret = wasi_snapshot_preview1::path_open(
fd as i32,
dirflags as i32,
path.as_ptr() as i32,
path.len() as i32,
oflags as i32,
fs_rights_base as i64,
fs_rights_inheriting as i64,
fdflags as i32,
rp0.as_mut_ptr() as i32,
); match ret { 0 => Ok(core::ptr::read(rp0.as_mut_ptr() as i32 as *const Fd)),
_ => Err(Errno(ret as u16)),
}
}
/// Read the contents of a symbolic link. /// Note: This is similar to `readlinkat` in POSIX. /// /// ## Parameters /// /// * `path` - The path of the symbolic link from which to read. /// * `buf` - The buffer to which to write the contents of the symbolic link. /// /// ## Return /// /// The number of bytes placed in the buffer. pubunsafefn path_readlink(
fd: Fd,
path: &str,
buf: *mut u8,
buf_len: Size,
) -> Result<Size, Errno> { letmut rp0 = MaybeUninit::<Size>::uninit(); let ret = wasi_snapshot_preview1::path_readlink(
fd as i32,
path.as_ptr() as i32,
path.len() as i32,
buf as i32,
buf_len as i32,
rp0.as_mut_ptr() as i32,
); match ret { 0 => Ok(core::ptr::read(rp0.as_mut_ptr() as i32 as *const Size)),
_ => Err(Errno(ret as u16)),
}
}
/// Remove a directory. /// Return `errno::notempty` if the directory is not empty. /// Note: This is similar to `unlinkat(fd, path, AT_REMOVEDIR)` in POSIX. /// /// ## Parameters /// /// * `path` - The path to a directory to remove. pubunsafefn path_remove_directory(fd: Fd, path: &str) -> Result<(), Errno> { let ret = wasi_snapshot_preview1::path_remove_directory(
fd as i32,
path.as_ptr() as i32,
path.len() as i32,
); match ret { 0 => Ok(()),
_ => Err(Errno(ret as u16)),
}
}
/// Rename a file or directory. /// Note: This is similar to `renameat` in POSIX. /// /// ## Parameters /// /// * `old_path` - The source path of the file or directory to rename. /// * `new_fd` - The working directory at which the resolution of the new path starts. /// * `new_path` - The destination path to which to rename the file or directory. pubunsafefn path_rename(fd: Fd, old_path: &str, new_fd: Fd, new_path: &str) -> Result<(), Errno> { let ret = wasi_snapshot_preview1::path_rename(
fd as i32,
old_path.as_ptr() as i32,
old_path.len() as i32,
new_fd as i32,
new_path.as_ptr() as i32,
new_path.len() as i32,
); match ret { 0 => Ok(()),
_ => Err(Errno(ret as u16)),
}
}
/// Create a symbolic link. /// Note: This is similar to `symlinkat` in POSIX. /// /// ## Parameters /// /// * `old_path` - The contents of the symbolic link. /// * `new_path` - The destination path at which to create the symbolic link. pubunsafefn path_symlink(old_path: &str, fd: Fd, new_path: &str) -> Result<(), Errno> { let ret = wasi_snapshot_preview1::path_symlink(
old_path.as_ptr() as i32,
old_path.len() as i32,
fd as i32,
new_path.as_ptr() as i32,
new_path.len() as i32,
); match ret { 0 => Ok(()),
_ => Err(Errno(ret as u16)),
}
}
/// Unlink a file. /// Return `errno::isdir` if the path refers to a directory. /// Note: This is similar to `unlinkat(fd, path, 0)` in POSIX. /// /// ## Parameters /// /// * `path` - The path to a file to unlink. pubunsafefn path_unlink_file(fd: Fd, path: &str) -> Result<(), Errno> { let ret = wasi_snapshot_preview1::path_unlink_file(
fd as i32,
path.as_ptr() as i32,
path.len() as i32,
); match ret { 0 => Ok(()),
_ => Err(Errno(ret as u16)),
}
}
/// Concurrently poll for the occurrence of a set of events. /// /// ## Parameters /// /// * `in_` - The events to which to subscribe. /// * `out` - The events that have occurred. /// * `nsubscriptions` - Both the number of subscriptions and events. /// /// ## Return /// /// The number of events stored. pubunsafefn poll_oneoff(
in_: *const Subscription,
out: *mut Event,
nsubscriptions: Size,
) -> Result<Size, Errno> { letmut rp0 = MaybeUninit::<Size>::uninit(); let ret = wasi_snapshot_preview1::poll_oneoff(
in_ as i32,
out as i32,
nsubscriptions as i32,
rp0.as_mut_ptr() as i32,
); match ret { 0 => Ok(core::ptr::read(rp0.as_mut_ptr() as i32 as *const Size)),
_ => Err(Errno(ret as u16)),
}
}
/// Terminate the process normally. An exit code of 0 indicates successful /// termination of the program. The meanings of other values is dependent on /// the environment. /// /// ## Parameters /// /// * `rval` - The exit code returned by the process. pubunsafefn proc_exit(rval: Exitcode) {
wasi_snapshot_preview1::proc_exit(rval as i32);
}
/// Send a signal to the process of the calling thread. /// Note: This is similar to `raise` in POSIX. /// /// ## Parameters /// /// * `sig` - The signal condition to trigger. pubunsafefn proc_raise(sig: Signal) -> Result<(), Errno> { let ret = wasi_snapshot_preview1::proc_raise(sig.0as i32); match ret { 0 => Ok(()),
_ => Err(Errno(ret as u16)),
}
}
/// Temporarily yield execution of the calling thread. /// Note: This is similar to `sched_yield` in POSIX. pubunsafefn sched_yield() -> Result<(), Errno> { let ret = wasi_snapshot_preview1::sched_yield(); match ret { 0 => Ok(()),
_ => Err(Errno(ret as u16)),
}
}
/// Write high-quality random data into a buffer. /// This function blocks when the implementation is unable to immediately /// provide sufficient high-quality random data. /// This function may execute slowly, so when large mounts of random data are /// required, it's advisable to use this function to seed a pseudo-random /// number generator, rather than to provide the random data directly. /// /// ## Parameters /// /// * `buf` - The buffer to fill with random data. pubunsafefn random_get(buf: *mut u8, buf_len: Size) -> Result<(), Errno> { let ret = wasi_snapshot_preview1::random_get(buf as i32, buf_len as i32); match ret { 0 => Ok(()),
_ => Err(Errno(ret as u16)),
}
}
/// Accept a new incoming connection. /// Note: This is similar to `accept` in POSIX. /// /// ## Parameters /// /// * `fd` - The listening socket. /// * `flags` - The desired values of the file descriptor flags. /// /// ## Return /// /// New socket connection pubunsafefn sock_accept(fd: Fd, flags: Fdflags) -> Result<Fd, Errno> { letmut rp0 = MaybeUninit::<Fd>::uninit(); let ret = wasi_snapshot_preview1::sock_accept(fd as i32, flags as i32, rp0.as_mut_ptr() asi32); match ret { 0 => Ok(core::ptr::read(rp0.as_mut_ptr() as i32 as *const Fd)),
_ => Err(Errno(ret as u16)),
}
}
/// Receive a message from a socket. /// Note: This is similar to `recv` in POSIX, though it also supports reading /// the data into multiple buffers in the manner of `readv`. /// /// ## Parameters /// /// * `ri_data` - List of scatter/gather vectors to which to store data. /// * `ri_flags` - Message flags. /// /// ## Return /// /// Number of bytes stored in ri_data and message flags. pubunsafefn sock_recv(
fd: Fd,
ri_data: IovecArray<'_>,
ri_flags: Riflags,
) -> Result<(Size, Roflags), Errno> { letmut rp0 = MaybeUninit::<Size>::uninit(); letmut rp1 = MaybeUninit::<Roflags>::uninit(); let ret = wasi_snapshot_preview1::sock_recv(
fd as i32,
ri_data.as_ptr() as i32,
ri_data.len() as i32,
ri_flags as i32,
rp0.as_mut_ptr() as i32,
rp1.as_mut_ptr() as i32,
); match ret { 0 => Ok((
core::ptr::read(rp0.as_mut_ptr() as i32 as *const Size),
core::ptr::read(rp1.as_mut_ptr() as i32 as *const Roflags),
)),
_ => Err(Errno(ret as u16)),
}
}
/// Send a message on a socket. /// Note: This is similar to `send` in POSIX, though it also supports writing /// the data from multiple buffers in the manner of `writev`. /// /// ## Parameters /// /// * `si_data` - List of scatter/gather vectors to which to retrieve data /// * `si_flags` - Message flags. /// /// ## Return /// /// Number of bytes transmitted. pubunsafefn sock_send(
fd: Fd,
si_data: CiovecArray<'_>,
si_flags: Siflags,
) -> Result<Size, Errno> { letmut rp0 = MaybeUninit::<Size>::uninit(); let ret = wasi_snapshot_preview1::sock_send(
fd as i32,
si_data.as_ptr() as i32,
si_data.len() as i32,
si_flags as i32,
rp0.as_mut_ptr() as i32,
); match ret { 0 => Ok(core::ptr::read(rp0.as_mut_ptr() as i32 as *const Size)),
_ => Err(Errno(ret as u16)),
}
}
/// Shut down socket send and receive channels. /// Note: This is similar to `shutdown` in POSIX. /// /// ## Parameters /// /// * `how` - Which channels on the socket to shut down. pubunsafefn sock_shutdown(fd: Fd, how: Sdflags) -> Result<(), Errno> { let ret = wasi_snapshot_preview1::sock_shutdown(fd as i32, how as i32); match ret { 0 => Ok(()),
_ => Err(Errno(ret as u16)),
}
}
pubmod wasi_snapshot_preview1 { #[link(wasm_import_module = "wasi_snapshot_preview1")] extern"C" { /// Read command-line argument data. /// The size of the array should match that returned by `args_sizes_get`. /// Each argument is expected to be `\0` terminated. pubfn args_get(arg0: i32, arg1: i32) -> i32; /// Return command-line argument data sizes. pubfn args_sizes_get(arg0: i32, arg1: i32) -> i32; /// Read environment variable data. /// The sizes of the buffers should match that returned by `environ_sizes_get`. /// Key/value pairs are expected to be joined with `=`s, and terminated with `\0`s. pubfn environ_get(arg0: i32, arg1: i32) -> i32; /// Return environment variable data sizes. pubfn environ_sizes_get(arg0: i32, arg1: i32) -> i32; /// Return the resolution of a clock. /// Implementations are required to provide a non-zero value for supported clocks. For unsupported clocks, /// return `errno::inval`. /// Note: This is similar to `clock_getres` in POSIX. pubfn clock_res_get(arg0: i32, arg1: i32) -> i32; /// Return the time value of a clock. /// Note: This is similar to `clock_gettime` in POSIX. pubfn clock_time_get(arg0: i32, arg1: i64, arg2: i32) -> i32; /// Provide file advisory information on a file descriptor. /// Note: This is similar to `posix_fadvise` in POSIX. pubfn fd_advise(arg0: i32, arg1: i64, arg2: i64, arg3: i32) -> i32; /// Force the allocation of space in a file. /// Note: This is similar to `posix_fallocate` in POSIX. pubfn fd_allocate(arg0: i32, arg1: i64, arg2: i64) -> i32; /// Close a file descriptor. /// Note: This is similar to `close` in POSIX. pubfn fd_close(arg0: i32) -> i32; /// Synchronize the data of a file to disk. /// Note: This is similar to `fdatasync` in POSIX. pubfn fd_datasync(arg0: i32) -> i32; /// Get the attributes of a file descriptor. /// Note: This returns similar flags to `fsync(fd, F_GETFL)` in POSIX, as well as additional fields. pubfn fd_fdstat_get(arg0: i32, arg1: i32) -> i32; /// Adjust the flags associated with a file descriptor. /// Note: This is similar to `fcntl(fd, F_SETFL, flags)` in POSIX. pubfn fd_fdstat_set_flags(arg0: i32, arg1: i32) -> i32; /// Adjust the rights associated with a file descriptor. /// This can only be used to remove rights, and returns `errno::notcapable` if called in a way that would attempt to add rights pubfn fd_fdstat_set_rights(arg0: i32, arg1: i64, arg2: i64) -> i32; /// Return the attributes of an open file. pubfn fd_filestat_get(arg0: i32, arg1: i32) -> i32; /// Adjust the size of an open file. If this increases the file's size, the extra bytes are filled with zeros. /// Note: This is similar to `ftruncate` in POSIX. pubfn fd_filestat_set_size(arg0: i32, arg1: i64) -> i32; /// Adjust the timestamps of an open file or directory. /// Note: This is similar to `futimens` in POSIX. pubfn fd_filestat_set_times(arg0: i32, arg1: i64, arg2: i64, arg3: i32) -> i32; /// Read from a file descriptor, without using and updating the file descriptor's offset. /// Note: This is similar to `preadv` in POSIX. pubfn fd_pread(arg0: i32, arg1: i32, arg2: i32, arg3: i64, arg4: i32) -> i32; /// Return a description of the given preopened file descriptor. pubfn fd_prestat_get(arg0: i32, arg1: i32) -> i32; /// Return a description of the given preopened file descriptor. pubfn fd_prestat_dir_name(arg0: i32, arg1: i32, arg2: i32) -> i32; /// Write to a file descriptor, without using and updating the file descriptor's offset. /// Note: This is similar to `pwritev` in POSIX. pubfn fd_pwrite(arg0: i32, arg1: i32, arg2: i32, arg3: i64, arg4: i32) -> i32; /// Read from a file descriptor. /// Note: This is similar to `readv` in POSIX. pubfn fd_read(arg0: i32, arg1: i32, arg2: i32, arg3: i32) -> i32; /// Read directory entries from a directory. /// When successful, the contents of the output buffer consist of a sequence of /// directory entries. Each directory entry consists of a `dirent` object, /// followed by `dirent::d_namlen` bytes holding the name of the directory /// entry. /// This function fills the output buffer as much as possible, potentially /// truncating the last directory entry. This allows the caller to grow its /// read buffer size in case it's too small to fit a single large directory /// entry, or skip the oversized directory entry. pubfn fd_readdir(arg0: i32, arg1: i32, arg2: i32, arg3: i64, arg4: i32) -> i32; /// Atomically replace a file descriptor by renumbering another file descriptor. /// Due to the strong focus on thread safety, this environment does not provide /// a mechanism to duplicate or renumber a file descriptor to an arbitrary /// number, like `dup2()`. This would be prone to race conditions, as an actual /// file descriptor with the same number could be allocated by a different /// thread at the same time. /// This function provides a way to atomically renumber file descriptors, which /// would disappear if `dup2()` were to be removed entirely. pubfn fd_renumber(arg0: i32, arg1: i32) -> i32; /// Move the offset of a file descriptor. /// Note: This is similar to `lseek` in POSIX. pubfn fd_seek(arg0: i32, arg1: i64, arg2: i32, arg3: i32) -> i32; /// Synchronize the data and metadata of a file to disk. /// Note: This is similar to `fsync` in POSIX. pubfn fd_sync(arg0: i32) -> i32; /// Return the current offset of a file descriptor. /// Note: This is similar to `lseek(fd, 0, SEEK_CUR)` in POSIX. pubfn fd_tell(arg0: i32, arg1: i32) -> i32; /// Write to a file descriptor. /// Note: This is similar to `writev` in POSIX. pubfn fd_write(arg0: i32, arg1: i32, arg2: i32, arg3: i32) -> i32; /// Create a directory. /// Note: This is similar to `mkdirat` in POSIX. pubfn path_create_directory(arg0: i32, arg1: i32, arg2: i32) -> i32; /// Return the attributes of a file or directory. /// Note: This is similar to `stat` in POSIX. pubfn path_filestat_get(arg0: i32, arg1: i32, arg2: i32, arg3: i32, arg4: i32) -> i32; /// Adjust the timestamps of a file or directory. /// Note: This is similar to `utimensat` in POSIX. pubfn path_filestat_set_times(
arg0: i32,
arg1: i32,
arg2: i32,
arg3: i32,
arg4: i64,
arg5: i64,
arg6: i32,
) -> i32; /// Create a hard link. /// Note: This is similar to `linkat` in POSIX. pubfn path_link(
arg0: i32,
arg1: i32,
arg2: i32,
arg3: i32,
arg4: i32,
arg5: i32,
arg6: i32,
) -> i32; /// Open a file or directory. /// The returned file descriptor is not guaranteed to be the lowest-numbered /// file descriptor not currently open; it is randomized to prevent /// applications from depending on making assumptions about indexes, since this /// is error-prone in multi-threaded contexts. The returned file descriptor is /// guaranteed to be less than 2**31. /// Note: This is similar to `openat` in POSIX. pubfn path_open(
arg0: i32,
arg1: i32,
arg2: i32,
arg3: i32,
arg4: i32,
arg5: i64,
arg6: i64,
arg7: i32,
arg8: i32,
) -> i32; /// Read the contents of a symbolic link. /// Note: This is similar to `readlinkat` in POSIX. pubfn path_readlink(
arg0: i32,
arg1: i32,
arg2: i32,
arg3: i32,
arg4: i32,
arg5: i32,
) -> i32; /// Remove a directory. /// Return `errno::notempty` if the directory is not empty. /// Note: This is similar to `unlinkat(fd, path, AT_REMOVEDIR)` in POSIX. pubfn path_remove_directory(arg0: i32, arg1: i32, arg2: i32) -> i32; /// Rename a file or directory. /// Note: This is similar to `renameat` in POSIX. pubfn path_rename(arg0: i32, arg1: i32, arg2: i32, arg3: i32, arg4: i32, arg5: i32)
-> i32; /// Create a symbolic link. /// Note: This is similar to `symlinkat` in POSIX. pubfn path_symlink(arg0: i32, arg1: i32, arg2: i32, arg3: i32, arg4: i32) -> i32; /// Unlink a file. /// Return `errno::isdir` if the path refers to a directory. /// Note: This is similar to `unlinkat(fd, path, 0)` in POSIX. pubfn path_unlink_file(arg0: i32, arg1: i32, arg2: i32) -> i32; /// Concurrently poll for the occurrence of a set of events. pubfn poll_oneoff(arg0: i32, arg1: i32, arg2: i32, arg3: i32) -> i32; /// Terminate the process normally. An exit code of 0 indicates successful /// termination of the program. The meanings of other values is dependent on /// the environment. pubfn proc_exit(arg0: i32) -> !; /// Send a signal to the process of the calling thread. /// Note: This is similar to `raise` in POSIX. pubfn proc_raise(arg0: i32) -> i32; /// Temporarily yield execution of the calling thread. /// Note: This is similar to `sched_yield` in POSIX. pubfn sched_yield() -> i32; /// Write high-quality random data into a buffer. /// This function blocks when the implementation is unable to immediately /// provide sufficient high-quality random data. /// This function may execute slowly, so when large mounts of random data are /// required, it's advisable to use this function to seed a pseudo-random /// number generator, rather than to provide the random data directly. pubfn random_get(arg0: i32, arg1: i32) -> i32; /// Accept a new incoming connection. /// Note: This is similar to `accept` in POSIX. pubfn sock_accept(arg0: i32, arg1: i32, arg2: i32) -> i32; /// Receive a message from a socket. /// Note: This is similar to `recv` in POSIX, though it also supports reading /// the data into multiple buffers in the manner of `readv`. pubfn sock_recv(arg0: i32, arg1: i32, arg2: i32, arg3: i32, arg4: i32, arg5: i32) -> i32; /// Send a message on a socket. /// Note: This is similar to `send` in POSIX, though it also supports writing /// the data from multiple buffers in the manner of `writev`. pubfn sock_send(arg0: i32, arg1: i32, arg2: i32, arg3: i32, arg4: i32) -> i32; /// Shut down socket send and receive channels. /// Note: This is similar to `shutdown` in POSIX. pubfn sock_shutdown(arg0: i32, arg1: i32) -> i32;
}
}
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