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authornicola <nicola@138bc75d-0d04-0410-961f-82ee72b054a4>2010-09-08 09:35:50 +0000
committernicola <nicola@138bc75d-0d04-0410-961f-82ee72b054a4>2010-09-08 09:35:50 +0000
commit6ceebb84e2aea999ca8ef55f9e2ef1f5229f20cb (patch)
tree2af7479e59d3f37ae5035d563a34809a2b4036c7 /libobjc/thr-win32.c
parentf9d4a0a86fcd8c28937b559a06159ec824812830 (diff)
downloadgcc-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.c271
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 */