135 lines
3.7 KiB
C
135 lines
3.7 KiB
C
/*
|
|
* System-dependent scheduler support
|
|
*
|
|
* Copyright 1998 Alexandre Julliard
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include "wine/port.h"
|
|
|
|
#include <signal.h>
|
|
#include <stdio.h>
|
|
#ifdef HAVE_UNISTD_H
|
|
# include <unistd.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_TIME_H
|
|
# include <sys/time.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_SYSCALL_H
|
|
# include <sys/syscall.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_LWP_H
|
|
# include <sys/lwp.h>
|
|
#endif
|
|
#ifdef HAVE_UCONTEXT_H
|
|
# include <ucontext.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_MMAN_H
|
|
#include <sys/mman.h>
|
|
#endif
|
|
#ifdef HAVE_SCHED_H
|
|
#include <sched.h>
|
|
#endif
|
|
|
|
#include "ntstatus.h"
|
|
#include "thread.h"
|
|
#include "wine/pthread.h"
|
|
#include "wine/server.h"
|
|
#include "winbase.h"
|
|
#include "wine/library.h"
|
|
#include "wine/debug.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(thread);
|
|
|
|
|
|
/***********************************************************************
|
|
* SYSDEPS_SetCurThread
|
|
*
|
|
* Make 'thread' the current thread.
|
|
*/
|
|
void SYSDEPS_SetCurThread( TEB *teb )
|
|
{
|
|
#if defined(__i386__)
|
|
/* On the i386, the current thread is in the %fs register */
|
|
LDT_ENTRY fs_entry;
|
|
|
|
wine_ldt_set_base( &fs_entry, teb );
|
|
wine_ldt_set_limit( &fs_entry, 0xfff );
|
|
wine_ldt_set_flags( &fs_entry, WINE_LDT_FLAGS_DATA|WINE_LDT_FLAGS_32BIT );
|
|
wine_ldt_init_fs( teb->teb_sel, &fs_entry );
|
|
#elif defined(__powerpc__)
|
|
/* On PowerPC, the current TEB is in the gpr13 register */
|
|
# ifdef __APPLE__
|
|
__asm__ __volatile__("mr r13, %0" : : "r" (teb));
|
|
# else
|
|
__asm__ __volatile__("mr 2, %0" : : "r" (teb));
|
|
# endif
|
|
#elif defined(HAVE__LWP_CREATE)
|
|
/* On non-i386 Solaris, we use the LWP private pointer */
|
|
_lwp_setprivate( teb );
|
|
#endif
|
|
wine_pthread_init_thread();
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SYSDEPS_GetUnixTid
|
|
*
|
|
* Get the Unix tid of the current thread.
|
|
*/
|
|
int SYSDEPS_GetUnixTid(void)
|
|
{
|
|
#ifdef HAVE__LWP_SELF
|
|
return _lwp_self();
|
|
#elif defined(__linux__) && defined(__i386__)
|
|
int ret;
|
|
__asm__("int $0x80" : "=a" (ret) : "0" (224) /* SYS_gettid */);
|
|
if (ret < 0) ret = -1;
|
|
return ret;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
}
|
|
|
|
/**********************************************************************
|
|
* NtCurrentTeb (NTDLL.@)
|
|
*
|
|
* This will crash and burn if called before threading is initialized
|
|
*/
|
|
#if defined(__i386__) && defined(__GNUC__)
|
|
__ASM_GLOBAL_FUNC( NtCurrentTeb, ".byte 0x64\n\tmovl 0x18,%eax\n\tret" );
|
|
#elif defined(__i386__) && defined(_MSC_VER)
|
|
/* Nothing needs to be done. MS C "magically" exports the inline version from winnt.h */
|
|
#elif defined(HAVE__LWP_CREATE)
|
|
/***********************************************************************
|
|
* NtCurrentTeb (NTDLL.@)
|
|
*/
|
|
struct _TEB * WINAPI NtCurrentTeb(void)
|
|
{
|
|
extern void *_lwp_getprivate(void);
|
|
return (struct _TEB *)_lwp_getprivate();
|
|
}
|
|
#elif defined(__powerpc__)
|
|
# ifdef __APPLE__
|
|
__ASM_GLOBAL_FUNC( NtCurrentTeb, "\n\tmr r3,r13\n\tblr" );
|
|
# else
|
|
__ASM_GLOBAL_FUNC( NtCurrentTeb, "\n\tmr 3,2\n\tblr" );
|
|
# endif
|
|
#else
|
|
# error NtCurrentTeb not defined for this architecture
|
|
#endif /* __i386__ */
|