mirror of
git://source.winehq.org/git/wine.git
synced 2024-09-14 16:56:17 +00:00
03468f7d4b
Sun Feb 15 12:02:59 1998 Alexandre Julliard <julliard@lrc.epfl.ch> * [graphics/x11drv/*.c] [objects/*.c] A few X11 critical section optimizations, mostly with XGet/PutPixel. * [scheduler/sysdeps.c] [misc/main.c] Make sure X11 critical section is available before any Xlib call. * [if1632/relay.c] [tools/build.c] Yet another attempt at fixing Catch/Throw. * [loader/pe_image.c] Fixed broken PE DLL loading. * [include/winnt.h] [scheduler/handle.c] [scheduler/*.c] Implemented handle access rights. Added Get/SetHandleInformation. Sun Feb 15 09:45:23 1997 Andreas Mohr <100.30936@germany.net> * [misc/winsock.c] Fixed bug in WSACleanup which lead to crashes in WINSOCK_HandleIO. * [graphics/fontengine.c] [include/font.h] Minor improvements. * [memory/global.c] Implemented GlobalEntryHandle. * [misc/toolhelp.c] Fixed a memory bug in Notify*register. * [misc/w32scomb.c] Improved Get16DLLAddress. * [objects/gdiobj.c] Implemented GdiSeeGdiDo. Sat Feb 14 14:57:39 1998 John Richardson <jrichard@zko.dec.com> * [win32/console.c] Added the console implementation, AllocConsole, FreeConsole, CONSOLE_InheritConsole. * [documentation/console] Some documentation on the console. * [include/winerror.h] Added some error defines. * [scheduler/k32obj.c] Registered the scheduler ops. Fri Feb 13 19:35:35 1998 James Moody <013263m@dragon.acadiau.ca> * [ole/ole2nls.c] Some English language fixes for missing values. * [controls/listbox.c] Fix to allow an empty listbox to deselect all items. * [relay32/user32.spec] [windows/keyboard.c] CreateAcceleratorTableA stub method. * [windows/sysmetrics.c] Added missing SM_CXCURSOR & SM_CYCURSOR initializers. * [windows/message.c] PostThreadMessage32A stub method. Fri Feb 13 17:12:24 1998 Jim Peterson <jspeter@roanoke.infi.net> * [libtest/hello3res.rc] [libtest/hello3.c] [libtest/Makefile.in] Updated the 'hello3' test so that it functions properly again. Fri Feb 13 14:08:07 1998 Martin Boehme <boehme@informatik.mu-luebeck.de> * [graphics/mapping.c] Fixed the embarrassing bugs I introduced into DPtoLP and LPtoDP. * [windows/scroll.c] Prevent ScrollWindow32 from sending WM_ERASEBKGND. Thu Feb 12 22:46:53 1998 Huw D M Davies <h.davies1@physics.oxford.ac.uk> * [objects/metafile] [include/ldt.h] Fix to cope with records longer than 64K. * [windows/clipboard.c] Clean up bitmaps and metapicts properly. Mon Feb 3 21:52:18 1998 Karl Backström <karl_b@geocities.com> * [programs/winhelp/Sw.rc] [resources/sysres_Sw.rc] Minor update of Swedish language support.
147 lines
3.7 KiB
C
147 lines
3.7 KiB
C
/*
|
|
* System-dependent scheduler support
|
|
*
|
|
* Copyright 1998 Alexandre Julliard
|
|
*/
|
|
|
|
/* Get pointers to the static errno and h_errno variables used by Xlib. This
|
|
must be done before including <errno.h> makes the variables invisible. */
|
|
extern int errno;
|
|
static int *perrno = &errno;
|
|
extern int h_errno;
|
|
static int *ph_errno = &h_errno;
|
|
|
|
#include <signal.h>
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
#include "thread.h"
|
|
#include "winbase.h"
|
|
|
|
/* FIXME: X libs compiled w/o -D_REENTRANT should be detected by autoconf. */
|
|
#define NO_REENTRANT_X11
|
|
|
|
#ifdef NO_REENTRANT_X11
|
|
/* Xlib critical section (FIXME: does not belong here) */
|
|
CRITICAL_SECTION X11DRV_CritSection = { 0, };
|
|
#endif
|
|
|
|
#ifdef __linux__
|
|
# ifdef HAVE_SCHED_H
|
|
# include <sched.h>
|
|
# endif
|
|
# ifndef CLONE_VM
|
|
# define CLONE_VM 0x00000100
|
|
# define CLONE_FS 0x00000200
|
|
# define CLONE_FILES 0x00000400
|
|
# define CLONE_SIGHAND 0x00000800
|
|
# define CLONE_PID 0x00001000
|
|
/* If we didn't get the flags, we probably didn't get the prototype either */
|
|
extern int clone( int (*fn)(void *arg), void *stack, int flags, void *arg );
|
|
# endif /* CLONE_VM */
|
|
#endif /* __linux__ */
|
|
|
|
|
|
#ifdef __linux__
|
|
/***********************************************************************
|
|
* __errno_location
|
|
*
|
|
* Get the per-thread errno location.
|
|
*/
|
|
int *__errno_location()
|
|
{
|
|
THDB *thdb = THREAD_Current();
|
|
if (!thdb) return perrno;
|
|
#ifdef NO_REENTRANT_X11
|
|
/* Use static libc errno while running in Xlib. */
|
|
if (X11DRV_CritSection.OwningThread == THDB_TO_THREAD_ID(thdb))
|
|
return perrno;
|
|
#endif
|
|
return &thdb->thread_errno;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* __h_errno_location
|
|
*
|
|
* Get the per-thread h_errno location.
|
|
*/
|
|
int *__h_errno_location()
|
|
{
|
|
THDB *thdb = THREAD_Current();
|
|
if (!thdb) return ph_errno;
|
|
#ifdef NO_REENTRANT_X11
|
|
/* Use static libc h_errno while running in Xlib. */
|
|
if (X11DRV_CritSection.OwningThread == THDB_TO_THREAD_ID(thdb))
|
|
return ph_errno;
|
|
#endif
|
|
return &thdb->thread_h_errno;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* SYSDEPS_StartThread
|
|
*
|
|
* Startup routine for a new thread.
|
|
*/
|
|
static void SYSDEPS_StartThread( THDB *thdb )
|
|
{
|
|
LPTHREAD_START_ROUTINE func = (LPTHREAD_START_ROUTINE)thdb->entry_point;
|
|
thdb->unix_pid = getpid();
|
|
SET_FS( thdb->teb_sel );
|
|
ExitThread( func( thdb->entry_arg ) );
|
|
}
|
|
#endif /* __linux__ */
|
|
|
|
|
|
/***********************************************************************
|
|
* SYSDEPS_SpawnThread
|
|
*
|
|
* Start running a new thread.
|
|
* Return -1 on error, 0 if OK.
|
|
*/
|
|
int SYSDEPS_SpawnThread( THDB *thread )
|
|
{
|
|
#ifdef __linux__
|
|
if (clone( (int (*)(void *))SYSDEPS_StartThread, thread->teb.stack_top,
|
|
CLONE_VM | CLONE_FS | CLONE_FILES | SIGCHLD, thread ) < 0)
|
|
return -1;
|
|
#else
|
|
fprintf( stderr, "CreateThread: stub\n" );
|
|
#endif /* __linux__ */
|
|
return 0;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SYSDEPS_ExitThread
|
|
*
|
|
* Exit a running thread; must not return.
|
|
*/
|
|
void SYSDEPS_ExitThread(void)
|
|
{
|
|
_exit( 0 );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* NtCurrentTeb (NTDLL.89)
|
|
*/
|
|
TEB * WINAPI NtCurrentTeb(void)
|
|
{
|
|
#ifdef __i386__
|
|
TEB *teb;
|
|
WORD ds, fs;
|
|
|
|
/* Check if we have a current thread */
|
|
GET_FS( fs );
|
|
if (!fs) return NULL;
|
|
GET_DS( ds );
|
|
if (fs == ds) return NULL; /* FIXME: should be an assert */
|
|
/* Get the TEB self-pointer */
|
|
__asm__( ".byte 0x64\n\tmovl (%1),%0"
|
|
: "=r" (teb) : "r" (&((TEB *)0)->self) );
|
|
return teb;
|
|
#else
|
|
if (!pCurrentThread) return NULL;
|
|
return &pCurrentThread->teb;
|
|
#endif /* __i386__ */
|
|
}
|