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author | nicola <nicola@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-09-08 09:35:50 +0000 |
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committer | nicola <nicola@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-09-08 09:35:50 +0000 |
commit | 6ceebb84e2aea999ca8ef55f9e2ef1f5229f20cb (patch) | |
tree | 2af7479e59d3f37ae5035d563a34809a2b4036c7 /libobjc/thr-win32.c | |
parent | f9d4a0a86fcd8c28937b559a06159ec824812830 (diff) | |
download | gcc-6ceebb84e2aea999ca8ef55f9e2ef1f5229f20cb.tar.gz |
Removed obsolete intermediate threading layer.
* thr.c: Use __gthread_objc_xxx functions directly instead of
__objc_thread_xxx ones.
* objc/thr.h: Removed prototypes of no longer existing
__objc_thread_xxx functions.
* Makefile.in: Removed thr-objc.lo.
* thr-dce.c: File removed.
* thr-decosf1.c: File removed.
* thr-irix.c: File removed.
* thr-mach.c: File removed.
* thr-objc.c: File removed.
* thr-os2.c: File removed.
* thr-posix.c: File removed.
* thr-pthreads.c: File removed.
* thr-rtems.c: File removed.
* thr-single.c: File removed.
* thr-solaris.c: File removed.
* thr-vxworks.c: File removed.
* thr-win32.c: File removed.
* README.threads: File removed.
* THREADS.MACH: File removed.
* THREADS: Updated.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@163996 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libobjc/thr-win32.c')
-rw-r--r-- | libobjc/thr-win32.c | 271 |
1 files changed, 0 insertions, 271 deletions
diff --git a/libobjc/thr-win32.c b/libobjc/thr-win32.c deleted file mode 100644 index 2d2f31e885e..00000000000 --- a/libobjc/thr-win32.c +++ /dev/null @@ -1,271 +0,0 @@ -/* GNU Objective C Runtime Thread Interface - Win32 Implementation - Copyright (C) 1996, 1997, 2009 Free Software Foundation, Inc. - Contributed by Galen C. Hunt (gchunt@cs.rochester.edu) - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under the -terms of the GNU General Public License as published by the Free Software -Foundation; either version 3, or (at your option) any later version. - -GCC 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 General Public License for more -details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -<http://www.gnu.org/licenses/>. */ - - -#include "objc/thr.h" -#include "objc/runtime.h" - -#ifndef __OBJC__ -#define __OBJC__ -#endif -#include <windows.h> - -/* Key structure for maintaining thread specific storage */ -static DWORD __objc_data_tls = (DWORD)-1; - -/* Backend initialization functions */ - -/* Initialize the threads subsystem. */ -int -__objc_init_thread_system(void) -{ - /* Initialize the thread storage key */ - if ((__objc_data_tls = TlsAlloc()) != (DWORD)-1) - return 0; - else - return -1; -} - -/* Close the threads subsystem. */ -int -__objc_close_thread_system(void) -{ - if (__objc_data_tls != (DWORD)-1) - TlsFree(__objc_data_tls); - return 0; -} - -/* Backend thread functions */ - -/* Create a new thread of execution. */ -objc_thread_t -__objc_thread_detach(void (*func)(void *arg), void *arg) -{ - DWORD thread_id = 0; - HANDLE win32_handle; - - if (!(win32_handle = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)func, - arg, 0, &thread_id))) - thread_id = 0; - - return (objc_thread_t)(size_t) thread_id; -} - -/* Set the current thread's priority. */ -int -__objc_thread_set_priority(int priority) -{ - int sys_priority = 0; - - switch (priority) - { - case OBJC_THREAD_INTERACTIVE_PRIORITY: - sys_priority = THREAD_PRIORITY_NORMAL; - break; - default: - case OBJC_THREAD_BACKGROUND_PRIORITY: - sys_priority = THREAD_PRIORITY_BELOW_NORMAL; - break; - case OBJC_THREAD_LOW_PRIORITY: - sys_priority = THREAD_PRIORITY_LOWEST; - break; - } - - /* Change priority */ - if (SetThreadPriority(GetCurrentThread(), sys_priority)) - return 0; - else - return -1; -} - -/* Return the current thread's priority. */ -int -__objc_thread_get_priority(void) -{ - int sys_priority; - - sys_priority = GetThreadPriority(GetCurrentThread()); - - switch (sys_priority) - { - case THREAD_PRIORITY_HIGHEST: - case THREAD_PRIORITY_TIME_CRITICAL: - case THREAD_PRIORITY_ABOVE_NORMAL: - case THREAD_PRIORITY_NORMAL: - return OBJC_THREAD_INTERACTIVE_PRIORITY; - - default: - case THREAD_PRIORITY_BELOW_NORMAL: - return OBJC_THREAD_BACKGROUND_PRIORITY; - - case THREAD_PRIORITY_IDLE: - case THREAD_PRIORITY_LOWEST: - return OBJC_THREAD_LOW_PRIORITY; - } - - /* Couldn't get priority. */ - return -1; -} - -/* Yield our process time to another thread. */ -void -__objc_thread_yield(void) -{ - Sleep(0); -} - -/* Terminate the current thread. */ -int -__objc_thread_exit(void) -{ - /* exit the thread */ - ExitThread(__objc_thread_exit_status); - - /* Failed if we reached here */ - return -1; -} - -/* Returns an integer value which uniquely describes a thread. */ -objc_thread_t -__objc_thread_id(void) -{ - return (objc_thread_t)(size_t) GetCurrentThreadId(); -} - -/* Sets the thread's local storage pointer. */ -int -__objc_thread_set_data(void *value) -{ - if (TlsSetValue(__objc_data_tls, value)) - return 0; - else - return -1; -} - -/* Returns the thread's local storage pointer. */ -void * -__objc_thread_get_data(void) -{ - return TlsGetValue(__objc_data_tls); /* Return thread data. */ -} - -/* Backend mutex functions */ - -/* Allocate a mutex. */ -int -__objc_mutex_allocate(objc_mutex_t mutex) -{ - if ((mutex->backend = (void *)CreateMutex(NULL, 0, NULL)) == NULL) - return -1; - else - return 0; -} - -/* Deallocate a mutex. */ -int -__objc_mutex_deallocate(objc_mutex_t mutex) -{ - CloseHandle((HANDLE)(mutex->backend)); - return 0; -} - -/* Grab a lock on a mutex. */ -int -__objc_mutex_lock(objc_mutex_t mutex) -{ - int status; - - status = WaitForSingleObject((HANDLE)(mutex->backend), INFINITE); - if (status != WAIT_OBJECT_0 && status != WAIT_ABANDONED) - return -1; - else - return 0; -} - -/* Try to grab a lock on a mutex. */ -int -__objc_mutex_trylock(objc_mutex_t mutex) -{ - int status; - - status = WaitForSingleObject((HANDLE)(mutex->backend), 0); - if (status != WAIT_OBJECT_0 && status != WAIT_ABANDONED) - return -1; - else - return 0; -} - -/* Unlock the mutex */ -int -__objc_mutex_unlock(objc_mutex_t mutex) -{ - if (ReleaseMutex((HANDLE)(mutex->backend)) == 0) - return -1; - else - return 0; -} - -/* Backend condition mutex functions */ - -/* Allocate a condition. */ -int -__objc_condition_allocate(objc_condition_t condition) -{ - /* Unimplemented. */ - return -1; -} - -/* Deallocate a condition. */ -int -__objc_condition_deallocate(objc_condition_t condition) -{ - /* Unimplemented. */ - return -1; -} - -/* Wait on the condition */ -int -__objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex) -{ - /* Unimplemented. */ - return -1; -} - -/* Wake up all threads waiting on this condition. */ -int -__objc_condition_broadcast(objc_condition_t condition) -{ - /* Unimplemented. */ - return -1; -} - -/* Wake up one thread waiting on this condition. */ -int -__objc_condition_signal(objc_condition_t condition) -{ - /* Unimplemented. */ - return -1; -} - -/* End of File */ |