/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nspr_pthread_defs_h___
#define nspr_pthread_defs_h___
#include <pthread.h>
#include "prthread.h"
#if defined(PTHREADS_USER)
/*
** Thread Local Storage
*/
extern pthread_key_t current_thread_key;
extern pthread_key_t current_cpu_key;
extern pthread_key_t last_thread_key;
extern pthread_key_t intsoff_key;
#define _MD_CURRENT_THREAD() \
((
struct PRThread *) pthread_getspecific(current_thread_key))
#define _MD_CURRENT_CPU() \
((
struct _PRCPU *) pthread_getspecific(current_cpu_key))
#define _MD_LAST_THREAD() \
((
struct PRThread *) pthread_getspecific(last_thread_key))
#define _MD_SET_CURRENT_THREAD(newval) \
pthread_setspecific(current_thread_key, (
void *)newval)
#define _MD_SET_CURRENT_CPU(newval) \
pthread_setspecific(current_cpu_key, (
void *)newval)
#define _MD_SET_LAST_THREAD(newval) \
pthread_setspecific(last_thread_key, (
void *)newval)
#define _MD_SET_INTSOFF(_val)
#define _MD_GET_INTSOFF() 1
/*
** Initialize the thread context preparing it to execute _main.
*/
#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
PR_BEGIN_MACRO \
*status = PR_TRUE; \
if (SAVE_CONTEXT(_thread)) { \
(*_main)(); \
} \
_MD_SET_THR_SP(_thread, _sp); \
_thread->no_sched = 0; \
PR_END_MACRO
#define _MD_SWITCH_CONTEXT(_thread) \
PR_BEGIN_MACRO \
PR_ASSERT(_thread->no_sched); \
if (!SAVE_CONTEXT(_thread)) { \
(_thread)->md.errcode = errno; \
_MD_SET_LAST_THREAD(_thread); \
_PR_Schedule(); \
}
else { \
(_MD_LAST_THREAD())->no_sched = 0; \
} \
PR_END_MACRO
/*
** Restore a thread context, saved by _MD_SWITCH_CONTEXT
*/
#define _MD_RESTORE_CONTEXT(_thread) \
PR_BEGIN_MACRO \
errno = (_thread)->md.errcode; \
_MD_SET_CURRENT_THREAD(_thread); \
_thread->no_sched = 1; \
GOTO_CONTEXT(_thread); \
PR_END_MACRO
/* Machine-dependent (MD) data structures */
struct _MDThread {
jmp_buf jb;
int id;
int errcode;
pthread_t pthread;
pthread_mutex_t pthread_mutex;
pthread_cond_t pthread_cond;
int wait;
};
struct _MDThreadStack {
PRInt8 notused;
};
struct _MDLock {
pthread_mutex_t mutex;
};
struct _MDSemaphore {
PRInt8 notused;
};
struct _MDCVar {
pthread_mutex_t mutex;
};
struct _MDSegment {
PRInt8 notused;
};
/*
* md-specific cpu structure field
*/
#define _PR_MD_MAX_OSFD FD_SETSIZE
struct _MDCPU_Unix {
PRCList ioQ;
PRUint32 ioq_timeout;
PRInt32 ioq_max_osfd;
PRInt32 ioq_osfd_cnt;
#ifndef _PR_USE_POLL
fd_set fd_read_set, fd_write_set, fd_exception_set;
PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
fd_exception_cnt[_PR_MD_MAX_OSFD];
#else
struct pollfd *ioq_pollfds;
int ioq_pollfds_size;
#endif /* _PR_USE_POLL */
};
#define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ)
#define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
#define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set)
#define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt)
#define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set)
#define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt)
#define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set)
#define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt)
#define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout)
#define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd)
#define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt)
#define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds)
#define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size)
#define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32
struct _MDCPU {
jmp_buf jb;
pthread_t pthread;
struct _MDCPU_Unix md_unix;
};
/*
#define _MD_NEW_LOCK(lock) PR_SUCCESS
#define _MD_FREE_LOCK(lock)
#define _MD_LOCK(lock)
#define _MD_UNLOCK(lock)
*/
extern pthread_mutex_t _pr_heapLock;
#define _PR_LOCK(lock) pthread_mutex_lock(lock)
#define _PR_UNLOCK(lock) pthread_mutex_unlock(lock)
#define _PR_LOCK_HEAP() { \
if (_pr_primordialCPU) { \
_PR_LOCK(_pr_heapLock); \
}
#define _PR_UNLOCK_HEAP()
if (_pr_primordialCPU) { \
_PR_UNLOCK(_pr_heapLock); \
} \
}
NSPR_API(PRStatus) _MD_NEW_LOCK(
struct _MDLock *md);
NSPR_API(
void) _MD_FREE_LOCK(
struct _MDLock *lockp);
#define _MD_LOCK(_lockp) _PR_LOCK(&(_lockp)->mutex)
#define _MD_UNLOCK(_lockp) _PR_UNLOCK(&(_lockp)->mutex)
#define _MD_INIT_IO()
#define _MD_IOQ_LOCK()
#define _MD_IOQ_UNLOCK()
#define _MD_CHECK_FOR_EXIT()
NSPR_API(PRStatus) _MD_InitThread(
struct PRThread *thread);
#define _MD_INIT_THREAD _MD_InitThread
#define _MD_INIT_ATTACHED_THREAD _MD_InitThread
NSPR_API(
void) _MD_ExitThread(
struct PRThread *thread);
#define _MD_EXIT_THREAD _MD_ExitThread
NSPR_API(
void) _MD_SuspendThread(
struct PRThread *thread);
#define _MD_SUSPEND_THREAD _MD_SuspendThread
NSPR_API(
void) _MD_ResumeThread(
struct PRThread *thread);
#define _MD_RESUME_THREAD _MD_ResumeThread
NSPR_API(
void) _MD_SuspendCPU(
struct _PRCPU *thread);
#define _MD_SUSPEND_CPU _MD_SuspendCPU
NSPR_API(
void) _MD_ResumeCPU(
struct _PRCPU *thread);
#define _MD_RESUME_CPU _MD_ResumeCPU
#define _MD_BEGIN_SUSPEND_ALL()
#define _MD_END_SUSPEND_ALL()
#define _MD_BEGIN_RESUME_ALL()
#define _MD_END_RESUME_ALL()
NSPR_API(
void) _MD_EarlyInit(
void);
#define _MD_EARLY_INIT _MD_EarlyInit
#define _MD_FINAL_INIT _PR_UnixInit
NSPR_API(
void) _MD_InitLocks(
void);
#define _MD_INIT_LOCKS _MD_InitLocks
NSPR_API(
void) _MD_CleanThread(
struct PRThread *thread);
#define _MD_CLEAN_THREAD _MD_CleanThread
NSPR_API(PRStatus) _MD_CreateThread(
struct PRThread *thread,
void (*start) (
void *),
PRThreadPriority priority,
PRThreadScope scope,
PRThreadState state,
PRUint32 stackSize);
#define _MD_CREATE_THREAD _MD_CreateThread
extern void _MD_CleanupBeforeExit(
void);
#define _MD_CLEANUP_BEFORE_EXIT _MD_CleanupBeforeExit
NSPR_API(
void) _MD_InitRunningCPU(
struct _PRCPU *cpu);
#define _MD_INIT_RUNNING_CPU _MD_InitRunningCPU
/* The _PR_MD_WAIT_LOCK and _PR_MD_WAKEUP_WAITER functions put to sleep and
* awaken a thread which is waiting on a lock or cvar.
*/
NSPR_API(PRStatus) _MD_wait(
struct PRThread *, PRIntervalTime timeout);
#define _MD_WAIT _MD_wait
NSPR_API(PRStatus) _MD_WakeupWaiter(
struct PRThread *);
#define _MD_WAKEUP_WAITER _MD_WakeupWaiter
NSPR_API(
void) _MD_SetPriority(
struct _MDThread *thread,
PRThreadPriority newPri);
#define _MD_SET_PRIORITY _MD_SetPriority
#endif /* PTHREADS_USER */
#endif /* nspr_pthread_defs_h___ */
