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