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SSL system.g
Sprache: unbekannt
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#############################################################################
##
## This file is part of GAP, a system for computational discrete algebra.
## This file's authors include Alexander Hulpke.
##
## Copyright of GAP belongs to its developers, whose names are too numerous
## to list here. Please refer to the COPYRIGHT file for details.
##
## SPDX-License-Identifier: GPL-2.0-or-later
##
## This file contains functions that are architecture dependent,
## and the record `GAPInfo', which collects global variables that are needed
## internally.
##
## `GAPInfo' is initialized when GAP is started without a workspace,
## and various components are added and modified later on.
## When GAP is started with a workspace, the value of `GAPInfo' is kept,
## just some dedicated components are modified via the
## ``post restore functions'' mechanism.
##
BIND_GLOBAL( "GAPInfo", rec(
# Without the needed packages, GAP does not start.
Dependencies := MakeImmutable(rec(
NeededOtherPackages := [
[ "gapdoc", ">= 1.2" ],
[ "primgrp", ">= 3.1.0" ],
[ "smallgrp", ">= 1.0" ],
[ "transgrp", ">= 1.0" ],
],
)),
# There is no SuggestedOtherPackages here because the default value of
# the user preference PackagesToLoad does the job
HasReadGAPRC:= false,
# list of all reserved keywords
Keywords:=MakeImmutable(ALL_KEYWORDS()),
# the maximal number of arguments a method can have
MaxNrArgsMethod:= 6,
# caches of functions that are needed also with a workspace
AtExitFuncs:= [],
PostRestoreFuncs:= [],
TestData:= rec(),
# admissible command line options
# (name of the option, default value, descr. strings for help page;
# if no help string appears then option is not advertised in the help)
# These options must be kept in sync with those in system.c, so the help output
# for those options is correct
CommandLineOptionData := [
rec( section:= ["Startup:"] ),
rec( short:= "h", long := "help", default := false, help := ["print this help and exit"] ),
rec( long := "version", default := false, help := ["print the GAP version and exit"] ),
rec( long := "print-gaproot", default := false, help := ["print the primary GAP root and exit"] ),
rec( short:= "b", long := "banner", default := false, help := ["disable/enable the banner"] ),
rec( short:= "c", default := "", arg := "<expr>", help := [ "execute the expression <expr>"] ),
rec( long := "systemfile", default := "", arg := "<file>",
help := [ "read this file after 'lib/system.g'" ] ),
,
rec( section:= ["Input/output:"] ),
rec( short:= "q", long := "quiet", default := false, help := ["enable/disable quiet mode"] ),
rec( short:= "e", default := false, help := ["disable/enable quitting on <ctrl>-D"] ),
rec( short:= "f", default := false, help := ["force line editing"] ),
rec( short:= "n", default := false, help := ["prevent line editing"] ),
rec( short:= "E", long := "readline", default := true,
help := ["disable/enable use of readline library (if", "possible)"] ),
rec( short:= "x", long := "width", default := "", arg := "<num>", help := ["set line width"] ),
rec( short:= "y", long := "lines", default := "", arg := "<num>", help := ["set number of lines"] ),
rec( short:= "p", default := false, help := ["enable/disable package output mode", "(for use by XGAP and similar interfaces)"] ),
,
rec( section:= ["Memory:",
" (may use postfix 'k' = *1024, 'm' = *1024*1024,",
" 'g' = *1024*1024*1024):"] ),
,
rec( short:= "g", long := "gasinfo", default := 0,
help := ["show GASMAN messages (full/all/no garbage","collections)", "(only available if GAP uses GASMAN)"] ),
rec( short:= "m", long := "minworkspace", default := "128m", arg := "<mem>",
help := ["set the initial workspace size"] ),
rec( short:= "o", long := "maxworkspace", default := "2g", arg := "<mem>",
help := [ "set workspace size where GAP will warn about", "excessive memory usage (GAP may allocate more)", "(only available if GAP uses GASMAN)"] ),
rec( short:= "K", long := "limitworkspace", default := "0", arg := "<mem>",
help := [ "set maximal workspace size (GAP never", "allocates more)"] ),
rec( short:= "s", default := "4g", arg := "<mem>", help := [ "set the initially mapped virtual memory", "(only available if GAP uses GASMAN)" ] ),
,
rec( section:= ["Roots:"] ),
rec( short:= "l", long := "roots", default := [], arg := "<paths>",
help := [ "set or modify the GAP root paths",
"Directories are separated using ';'.",
"Putting ';' on the start/end of list appends",
"directories to the end/start of existing list",
"of root paths" ] ),
rec( short:= "r", default := false, help := ["disable/enable user GAP root dir", "GAPInfo.UserGapRoot"] ),
rec( long := "packagedirs", default := [], arg := "<paths>",
help := [ "add additional GAP directory paths",
"Directories are separated using ';'." ] ),
,
rec( section:= ["Loading:"] ),
rec( short:= "A", default := false, help := ["disable/enable autoloading of suggested", "GAP packages"] ),
rec( short:= "D", default := false, help := ["enable/disable debugging the loading of files"] ),
rec( short:= "M", default := false, help := ["disable/enable loading of compiled modules"] ),
,
rec( section:= ["Error handling, REPL:"] ),
rec( short:= "T", long := "nobreakloop", default := false, help := ["disable/enable break loop and error traceback"] ),
rec( long := "alwaystrace", default := false, help := ["always print error traceback", "(overrides behaviour of -T)"] ),
rec( long := "quitonbreak", default := false, help := ["quit GAP with non-zero return value instead", "of entering break loop"]),
rec( long := "norepl", default := false,
help := [ "Disable the GAP read-evaluate-print loop (REPL)" ] ),
rec( long := "nointeract", default := false,
help := [ "Start GAP in non-interactive mode (disable REPL", "and break loop)" ] ),
,
rec( section:= ["Workspaces:", " (only available if GAP uses GASMAN)"] ),
rec( short:= "L", default := "", arg := "<file>", help := [ "restore a saved workspace"] ),
rec( short:= "R", default := false, help := ["prevent restoring of workspace (ignoring -L)"] ),
,
rec( section:= ["Profiling:"] ),
rec( long := "prof", default := "", arg := "<file>",
help := [ "Run ProfileLineByLine(<file>) on GAP start"] ),
rec( long := "memprof", default := "", arg := "<file>",
help := [ "Run ProfileLineByLine(<file>) on GAP start", "with recordMem := true"] ),
rec( long := "cover", default := "", arg := "<file>",
help := [ "Run CoverageLineByLine(<file>) on GAP start"] ),
rec( long := "enableMemCheck", default := false), # TODO: document this?
,
rec( section:= ["Internal developer tools"] ),
rec( short:= "N", default := false, help := ["do not use hidden implications"] ),
rec( short:= "O", default := false, help := ["disable/enable loading of obsolete files"] ),
rec( long := "bare", default := false,
help := [ "Attempt to start GAP without even needed", "packages" ] ),
],
) );
#############################################################################
##
#V GAPInfo.BytesPerVariable
##
## <ManSection>
## <Var Name="GAPInfo.BytesPerVariable"/>
##
## <Description>
## <Ref Var="GAPInfo.BytesPerVariable"/> is the number of bytes used for one
## <C>Obj</C> variable.
## </Description>
## </ManSection>
##
## These variables need not be recomputed when a workspace is loaded.
##
GAPInfo.BytesPerVariable := 4;
# are we a 64 (or more) bit system?
while TNUM_OBJ( 2^((GAPInfo.BytesPerVariable-1)*8) )
= TNUM_OBJ( 2^((GAPInfo.BytesPerVariable+1)*8) ) do
GAPInfo.BytesPerVariable:= GAPInfo.BytesPerVariable + 4;
od;
#############################################################################
##
## On 32-bit we have to adjust some command line default values
##
if GAPInfo.BytesPerVariable = 4 then
CALL_FUNC_LIST(function()
local i;
i := 1;
while not(IsBound(GAPInfo.CommandLineOptionData[i])) or
not(IsBound(GAPInfo.CommandLineOptionData[i].short)) or
GAPInfo.CommandLineOptionData[i].short <> "m" do i := i + 1; od;
GAPInfo.CommandLineOptionData[i].default := "64m";
i := 1;
while not(IsBound(GAPInfo.CommandLineOptionData[i])) or
not(IsBound(GAPInfo.CommandLineOptionData[i].short)) or
GAPInfo.CommandLineOptionData[i].short <> "o" do i := i + 1; od;
GAPInfo.CommandLineOptionData[i].default := "1g";
i := 1;
while not(IsBound(GAPInfo.CommandLineOptionData[i])) or
not(IsBound(GAPInfo.CommandLineOptionData[i].short)) or
GAPInfo.CommandLineOptionData[i].short <> "s" do i := i + 1; od;
GAPInfo.CommandLineOptionData[i].default := "1500m";
end, []);
fi;
#############################################################################
##
## For HPC-GAP, we want GAPInfo and its members to be accessible from all
## threads, so make members atomic or immutable.
##
if IsHPCGAP then
MakeReadWriteGVar("GAPInfo");
GAPInfo := AtomicRecord(GAPInfo);
MakeReadOnlyGVar("GAPInfo");
GAPInfo.AtExitFuncs:= AtomicList([]);
GAPInfo.PostRestoreFuncs:= AtomicList([]);
GAPInfo.TestData:= ThreadLocalRecord( rec() );
APPEND_LIST_INTR(GAPInfo.CommandLineOptionData, [
,
rec( section:= ["HPC-GAP:"] ),
rec( short:= "S", default := false, help := ["disable/enable multi-threaded interface"] ),
rec( short:= "P", default := "0", arg := "<num>", help := ["set number of logical processors"] ),
rec( short:= "G", default := "0", arg := "<num>", help := ["set number of GC threads"] ),
rec( short:= "Z", default := false, help := ["enforce ordering of region locks"] ),
rec( long := "single-thread", default := false,
help := [ "enable/disable single-threaded startup" ]),
]);
MakeImmutable(GAPInfo.CommandLineOptionData);
fi;
#############################################################################
##
#F CallAndInstallPostRestore( <func> )
##
## The argument <func> must be a function with no argument.
## This function is called,
## and it is added to the global list `GAPInfo.PostRestoreFuncs'.
## The effect of the latter is that the function will be called
## when GAP is started with a workspace (option `-L').
##
BIND_GLOBAL( "CallAndInstallPostRestore", function( func )
if not IS_FUNCTION( func ) then
Error( "<func> must be a function" );
elif CHECK_INSTALL_METHOD and not NARG_FUNC( func ) in [ -1, 0 ] then
Error( "<func> must accept zero arguments" );
fi;
func();
ADD_LIST( GAPInfo.PostRestoreFuncs, func );
end );
#############################################################################
##
#F InstallAndCallPostRestore( <func> )
##
## The argument <func> must be a function with no argument.
## This function is added to the global list `GAPInfo.PostRestoreFuncs',
## and afterwards it is called.
## The effect of the former is that the function will be called
## when GAP is started with a workspace (option `-L').
##
BIND_GLOBAL( "InstallAndCallPostRestore", function( func )
if not IS_FUNCTION( func ) then
Error( "<func> must be a function" );
elif CHECK_INSTALL_METHOD and not NARG_FUNC( func ) in [ -1, 0 ] then
Error( "<func> must accept zero arguments" );
fi;
ADD_LIST( GAPInfo.PostRestoreFuncs, func );
func();
end );
#########################################################################
# For backwards compatibility, we make the canonical version of an option
# its short version if it exists.
#
# Set up a map to tell us the canonical name of any command line option
GAPInfo.CommandLineOptionCanonicalName := rec();
CallAndInstallPostRestore( function()
local option;
for option in GAPInfo.CommandLineOptionData do
if IsBound(option.short) then
GAPInfo.CommandLineOptionCanonicalName.(option.short) := option.short;
if IsBound(option.long) then
GAPInfo.CommandLineOptionCanonicalName.(option.long) := option.short;
fi;
elif IsBound(option.long) then
GAPInfo.CommandLineOptionCanonicalName.(option.long) := option.long;
fi;
od;
end);
#############################################################################
##
## - Set/adjust the kernel specific components.
## - Compute `GAPInfo.DirectoriesSystemPrograms' from
## `GAPInfo.SystemEnvironment.PATH'.
## - Scan the command line.
## In case of `-h' print a help screen and exit.
##
CallAndInstallPostRestore( function()
local j, i, CommandLineOptions, opt, InitFiles, line, word, value, padspace;
GAPInfo.KernelInfo:= KERNEL_INFO();
GAPInfo.Version := GAPInfo.KernelInfo.KERNEL_VERSION;
GAPInfo.KernelVersion:= GAPInfo.KernelInfo.KERNEL_VERSION;
GAPInfo.Date := GAPInfo.KernelInfo.RELEASEDAY;
GAPInfo.BuildVersion:= GAPInfo.KernelInfo.BUILD_VERSION;
GAPInfo.BuildDateTime := GAPInfo.KernelInfo.BUILD_DATETIME;
GAPInfo.Architecture:= GAPInfo.KernelInfo.GAP_ARCHITECTURE;
# The exact command line which called GAP as list of strings;
# first entry is the executable followed by the options.
GAPInfo.SystemCommandLine:= GAPInfo.KernelInfo.COMMAND_LINE;
# The shell environment in which GAP was called as record
GAPInfo.SystemEnvironment:= GAPInfo.KernelInfo.ENVIRONMENT;
# paths
GAPInfo.RootPaths:= GAPInfo.KernelInfo.GAP_ROOT_PATHS;
GAPInfo.PackageDirectories := [];
if IsBound(GAPInfo.SystemEnvironment.HOME) then
GAPInfo.UserHome := GAPInfo.SystemEnvironment.HOME;
else
GAPInfo.UserHome := fail;
fi;
if IsBound(GAPInfo.KernelInfo.DOT_GAP_PATH) then
GAPInfo.UserGapRoot := GAPInfo.KernelInfo.DOT_GAP_PATH;
else
GAPInfo.UserGapRoot := fail;
fi;
# directory caches
GAPInfo.DirectoriesPrograms:= false;
GAPInfo.DirectoryCurrent:= false;
if IsHPCGAP then
GAPInfo.DirectoriesLibrary:= AtomicRecord( rec() );
GAPInfo.DirectoriesTemporary:= AtomicList([]);
GAPInfo.DirectoriesSystemPrograms:= AtomicList([]);
else
GAPInfo.DirectoriesLibrary:= rec();
GAPInfo.DirectoriesTemporary:= [];
GAPInfo.DirectoriesSystemPrograms:= [];
fi;
if IsBound(GAPInfo.SystemEnvironment.PATH) then
j:= 1;
for i in [1..LENGTH(GAPInfo.SystemEnvironment.PATH)] do
if GAPInfo.SystemEnvironment.PATH[i] = ':' then
if i > j then
ADD_LIST_DEFAULT(GAPInfo.DirectoriesSystemPrograms,
MakeImmutable(GAPInfo.SystemEnvironment.PATH{[j..i-1]}));
fi;
j := i+1;
fi;
od;
if j <= LENGTH( GAPInfo.SystemEnvironment.PATH ) then
ADD_LIST_DEFAULT( GAPInfo.DirectoriesSystemPrograms,
MakeImmutable(GAPInfo.SystemEnvironment.PATH{ [ j ..
LENGTH( GAPInfo.SystemEnvironment.PATH ) ] } ));
fi;
fi;
# the command line options that were given for the current session
CommandLineOptions:= rec();
for opt in GAPInfo.CommandLineOptionData do
if IsBound(opt.short) then
CommandLineOptions.( opt.short ):= SHALLOW_COPY_OBJ( opt.default );
elif IsBound(opt.long) then
CommandLineOptions.( opt.long ):= SHALLOW_COPY_OBJ( opt.default );
fi;
od;
InitFiles:= [];
line:= GAPInfo.SystemCommandLine;
i:= 2;
while i <= LENGTH( line ) do
word:= line[i];
i:= i+1;
if word = "" then
PRINT_TO( "*errout*", "Ignoring empty command line argument\n");
elif word[1] = '-' and (LENGTH( word ) = 2 or word[2] = '-') then
opt:= word{[2..LENGTH(word)]};
if opt[1] = '-' then
opt := opt{[2..LENGTH(opt)]};
fi;
if not(IsBound( GAPInfo.CommandLineOptionCanonicalName.( opt ) )) then
PRINT_TO( "*errout*", "Unrecognised command line option: ",
word, "\n" );
else
opt := GAPInfo.CommandLineOptionCanonicalName.( opt );
value:= CommandLineOptions.( opt );
if IS_BOOL( value ) and word[2] = '-' then
CommandLineOptions.( opt ):= true;
elif IS_BOOL( value ) then
CommandLineOptions.( opt ):= not CommandLineOptions.( opt );
elif IS_INT( value ) then
CommandLineOptions.( opt ):= CommandLineOptions.( opt ) + 1;
elif i <= LENGTH( line ) then
if opt = "c" then
ADD_LIST_DEFAULT( InitFiles, rec( command := line[i] ) );
i := i+1;
elif IS_STRING_REP( value ) then
# string
CommandLineOptions.( opt ):= line[i];
i := i+1;
elif IS_LIST( value ) then
# list of strings, starting from the empty list
ADD_LIST_DEFAULT( CommandLineOptions.( opt ), line[i] );
i := i+1;
fi;
else
PRINT_TO( "*errout*", "Command line option ", word, " needs an argument.\n" );
fi;
fi;
else
ADD_LIST_DEFAULT( InitFiles, word );
fi;
od;
CommandLineOptions.g:= CommandLineOptions.g mod 3;
# use the same as the kernel
CommandLineOptions.E:= GAPInfo.KernelInfo.HAVE_LIBREADLINE;
# -L is valid only if GAP uses GASMAN.
if GAPInfo.KernelInfo.GC <> "GASMAN" then
CommandLineOptions.L:= "";
fi;
# --nointeract implies no break loop and no repl
if CommandLineOptions.nointeract then
CommandLineOptions.T := true;
CommandLineOptions.norepl := true;
fi;
if CommandLineOptions.bare then
CommandLineOptions.A := true;
fi;
MakeImmutable( CommandLineOptions );
MakeImmutable( InitFiles );
GAPInfo.CommandLineOptions:= CommandLineOptions;
GAPInfo.InitFiles:= InitFiles;
padspace := function(strlen, len)
local i;
for i in [strlen+1..len] do
PRINT_TO("*stdout*", " ");
od;
end;
# Evaluate the `-h' option.
if GAPInfo.CommandLineOptions.h then
PRINT_TO( "*stdout*",
"usage: gap [OPTIONS] [FILES]\n",
" run the Groups, Algorithms and Programming system, Version ",
GAPInfo.KernelVersion, "\n\n" );
for i in [ 1 .. LENGTH( GAPInfo.CommandLineOptionData ) ] do
if not IsBound(GAPInfo.CommandLineOptionData[i]) then
PRINT_TO( "*stdout*", "\n" );
continue;
fi;
opt:= GAPInfo.CommandLineOptionData[i];
if IsBound( opt.help ) then
# At least one of opt.short or opt.long must be bound
if(IsBound(opt.short)) then
PRINT_TO("*stdout*", " -", opt.short);
if(IsBound(opt.long)) then
PRINT_TO("*stdout*", ", --", opt.long);
padspace(4+LENGTH(opt.long), 18);
else
padspace(0, 18);
fi;
if(IsBound(opt.arg)) then
PRINT_TO("*stdout*", " ", opt.arg);
padspace(LENGTH(opt.arg)+1, 8);
else
padspace(0, 8);
fi;
else
PRINT_TO("*stdout*", " ");
# opt.short unbound, opt.long bound
PRINT_TO("*stdout*", " --", opt.long);
padspace(4+LENGTH(opt.long), 18);
if(IsBound(opt.arg)) then
PRINT_TO("*stdout*", " ", opt.arg);
padspace(LENGTH(opt.arg)+1, 8);
else
padspace(0, 8);
fi;
fi;
if IsBound(opt.long) and LENGTH(opt.long) > 14 then
PRINT_TO("*stdout*", "\n");
padspace(0, 3+18+8+3);
else
PRINT_TO("*stdout*", " ");
fi;
PRINT_TO("*stdout*", opt.help[1], "\n");
for j in [2..LENGTH(opt.help)] do
padspace(0, 4+18+8+3 + 2);
PRINT_TO("*stdout*", opt.help[j],"\n");
od;
elif IsBound(opt.section) then
PRINT_TO( "*stdout*", opt.section[1], "\n" );
for j in [2..LENGTH(opt.section)] do
#padspace(0, 3);
PRINT_TO("*stdout*", opt.section[j],"\n");
od;
fi;
od;
PRINT_TO("*stdout*",
"\n",
" Short boolean options toggle the current value each time they are called.\n",
" Default actions are indicated first.\n",
"\n" );
QuitGap();
fi;
# Evaluate the '--print-gaproot' option.
if GAPInfo.CommandLineOptions.( "print-gaproot" ) then
for line in GAPInfo.RootPaths do
value:= SHALLOW_COPY_OBJ( line );
APPEND_LIST_INTR( value, "sysinfo.gap" );
if IsExistingFile( value ) then
PRINT_TO( "*stdout*", line );
QuitGap(0);
fi;
od;
PRINT_TO( "*errout*", "failed to determine primary GAP root" );
QuitGap(1);
fi;
end );
#############################################################################
##
#V GAPInfo.TestData
##
## <ManSection>
## <Var Name="GAPInfo.TestData"/>
##
## <Description>
## This is a mutable record used in files that are read via <C>Test</C>.
## These files contain the commands <C>START_TEST</C> and <C>STOP_TEST</C>,
## which set, read, and unbind the components <C>START_TIME</C> and <C>START_NAME</C>.
## The function <C>RunStandardTests</C> also uses a component <C>results</C>.
## </Description>
## </ManSection>
##
#T the following functions eventually should be more clever. This however
#T will require kernel support and thus is something for later. AH
#############################################################################
##
#F ARCH_IS_WINDOWS()
##
## <#GAPDoc Label="ARCH_IS_WINDOWS">
## <ManSection>
## <Func Name="ARCH_IS_WINDOWS" Arg=''/>
##
## <Description>
## tests whether &GAP; is running on a Windows system without
## standard POSIX tools available (such as a shell).
## </Description>
## </ManSection>
## <#/GAPDoc>
##
BIND_GLOBAL("ARCH_IS_WINDOWS",function()
# Exit early is we are not in Cygwin
if POSITION_SUBSTRING (GAPInfo.Architecture, "cygwin", 0) = fail then
return false;
fi;
# Check if programs we need exist in their standard Cygwin locations
return not (IsExistingFile("/usr/bin/sh") or IsExistingFile("/bin/sh")) or
not (IsExistingFile("/usr/bin/xdg-open") or IsExistingFile("/bin/xdg-open"));
end);
#############################################################################
##
#F ARCH_IS_MAC_OS_X()
##
## <#GAPDoc Label="ARCH_IS_MAC_OS_X">
## <ManSection>
## <Func Name="ARCH_IS_MAC_OS_X" Arg=''/>
##
## <Description>
## tests whether &GAP; is running on macOS. Note that on macOS, also
## <Ref Func="ARCH_IS_UNIX"/> will be <K>true</K>.
## </Description>
## </ManSection>
## <#/GAPDoc>
##
BIND_GLOBAL("ARCH_IS_MAC_OS_X",function()
return POSITION_SUBSTRING (GAPInfo.Architecture, "apple-darwin", 0) <> fail
and IsReadableFile ("/System/Library/CoreServices/Finder.app");
end);
#############################################################################
##
#F ARCH_IS_UNIX()
##
## <#GAPDoc Label="ARCH_IS_UNIX">
## <ManSection>
## <Func Name="ARCH_IS_UNIX" Arg=''/>
##
## <Description>
## tests whether &GAP; is running on a UNIX system (including macOS).
## </Description>
## </ManSection>
## <#/GAPDoc>
##
BIND_GLOBAL("ARCH_IS_UNIX",function()
return not ARCH_IS_WINDOWS();
end);
#############################################################################
##
#F ARCH_IS_WSL()
##
## <#GAPDoc Label="ARCH_IS_WSL">
## <ManSection>
## <Func Name="ARCH_IS_WSL" Arg=''/>
##
## <Description>
## tests whether &GAP; is running on a Windows system inside the
## 'Windows Subsystem for Linux'. Note that in this case
## <Ref Func="ARCH_IS_UNIX"/> will be <K>true</K>, and in most situations
## WSL can be treated identically to Linux.
## </Description>
## </ManSection>
## <#/GAPDoc>
##
BIND_GLOBAL("ARCH_IS_WSL",function()
# There is no official way to detect this, but this method is
# suggested: https://github.com/microsoft/WSL/issues/423
# Note that at some point the string was changed from 'Microsoft' to
# 'microsoft'.
return ARCH_IS_UNIX() and IsBound(GAPInfo.KernelInfo.uname.release) and (
POSITION_SUBSTRING(GAPInfo.KernelInfo.uname.release, "Microsoft", 0) <> fail or
POSITION_SUBSTRING(GAPInfo.KernelInfo.uname.release, "microsoft", 0) <> fail);
end);
#############################################################################
##
#V GAPInfo.InitFiles
##
## <ManSection>
## <Var Name="GAPInfo.InitFiles"/>
##
## <Description>
## <C>GAPInfo.InitFiles</C> is a list of strings containing the filenames
## specified on the command line to be read initially.
## </Description>
## </ManSection>
##
#T really ???
if GAPInfo.CommandLineOptions.systemfile <> ""
and not READ( GAPInfo.CommandLineOptions.systemfile ) then
PRINT_TO( "*errout*", "Could not read file \"",
GAPInfo.CommandLineOptions.systemfile,
"\" (command line option --systemfile).\n" );
QuitGap(1);
fi;
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2026-03-28
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