2008-01-20 18:36:23 +00:00
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/**************************************************************************
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*
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2008-02-19 06:07:53 +00:00
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* Copyright 1999-2006 Brian Paul
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2008-01-20 18:36:23 +00:00
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* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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2008-02-19 06:07:53 +00:00
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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2008-01-20 18:36:23 +00:00
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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2008-02-19 06:07:53 +00:00
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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2008-01-20 18:36:23 +00:00
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*
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**************************************************************************/
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2008-08-26 23:35:12 +01:00
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2008-02-19 06:07:53 +00:00
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/**
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2008-08-26 23:35:12 +01:00
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* Thread, mutex, condition var and thread-specific data functions.
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2008-02-19 06:07:53 +00:00
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*/
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2008-08-26 23:35:12 +01:00
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#ifndef _P_THREAD2_H_
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#define _P_THREAD2_H_
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2008-02-19 06:07:53 +00:00
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2008-08-26 23:35:12 +01:00
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#include "pipe/p_compiler.h"
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2008-02-19 06:07:53 +00:00
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2008-08-26 23:35:12 +01:00
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#if defined(PIPE_OS_LINUX)
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2008-02-19 06:07:53 +00:00
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2008-08-26 23:35:12 +01:00
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#include <pthread.h> /* POSIX threads headers */
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#include <stdio.h> /* for perror() */
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2008-02-19 06:07:53 +00:00
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2008-08-26 23:35:12 +01:00
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typedef pthread_t pipe_thread;
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typedef pthread_mutex_t pipe_mutex;
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typedef pthread_cond_t pipe_condvar;
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2008-02-19 06:07:53 +00:00
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2008-08-26 23:35:12 +01:00
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#define pipe_static_mutex(mutex) \
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static pipe_mutex mutex = PTHREAD_MUTEX_INITIALIZER
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2008-02-19 06:07:53 +00:00
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2008-08-26 23:35:12 +01:00
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#define pipe_mutex_init(mutex) \
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pthread_mutex_init(&(mutex), NULL)
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2008-02-19 06:07:53 +00:00
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2008-08-26 23:35:12 +01:00
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#define pipe_mutex_destroy(mutex) \
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pthread_mutex_destroy(&(mutex))
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2008-02-19 06:07:53 +00:00
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2008-08-26 23:35:12 +01:00
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#define pipe_mutex_lock(mutex) \
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(void) pthread_mutex_lock(&(mutex))
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2008-02-19 06:07:53 +00:00
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2008-08-26 23:35:12 +01:00
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#define pipe_mutex_unlock(mutex) \
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(void) pthread_mutex_unlock(&(mutex))
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2008-04-11 04:11:14 +01:00
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2008-08-26 23:35:12 +01:00
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#define pipe_static_condvar(mutex) \
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static pipe_condvar mutex = PTHREAD_COND_INITIALIZER
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2008-04-11 04:11:14 +01:00
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2008-08-26 23:35:12 +01:00
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#define pipe_condvar_init(cond) \
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2008-04-11 04:11:14 +01:00
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pthread_cond_init(&(cond), NULL)
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2008-08-26 23:35:12 +01:00
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#define pipe_condvar_destroy(cond) \
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pthread_cond_destroy(&(cond))
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2008-04-11 04:11:14 +01:00
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2008-08-26 23:35:12 +01:00
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#define pipe_condvar_wait(cond, mutex) \
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2008-04-11 04:11:14 +01:00
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pthread_cond_wait(&(cond), &(mutex))
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2008-08-26 23:35:12 +01:00
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#define pipe_condvar_signal(cond) \
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2008-04-11 04:11:14 +01:00
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pthread_cond_signal(&(cond))
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2008-08-26 23:35:12 +01:00
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#define pipe_condvar_broadcast(cond) \
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2008-04-11 04:11:14 +01:00
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pthread_cond_broadcast(&(cond))
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2008-02-19 06:07:53 +00:00
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2008-08-27 22:53:57 +01:00
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#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
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2008-02-19 06:07:53 +00:00
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#include <windows.h>
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2008-08-26 23:35:12 +01:00
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typedef HANDLE pipe_thread;
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2008-09-05 14:10:47 +01:00
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#define PIPE_THREAD_ROUTINE( name, param ) \
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void * WINAPI name( void *param )
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static INLINE pipe_thread pipe_thread_create( void *(WINAPI * routine)( void *), void *param )
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{
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DWORD id;
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return CreateThread( NULL, 0, (LPTHREAD_START_ROUTINE) routine, param, 0, &id );
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}
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static INLINE int pipe_thread_wait( pipe_thread thread )
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{
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if (WaitForSingleObject( thread, INFINITE ) == WAIT_OBJECT_0)
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return 0;
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return -1;
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}
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static INLINE int pipe_thread_destroy( pipe_thread thread )
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{
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if (CloseHandle( thread ))
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return 0;
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return -1;
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}
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2008-08-26 23:35:12 +01:00
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typedef CRITICAL_SECTION pipe_mutex;
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2008-02-19 06:07:53 +00:00
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2008-08-26 23:35:12 +01:00
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#define pipe_static_mutex(name) \
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/*static*/ pipe_mutex name = {0,0,0,0,0,0}
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2008-02-19 06:07:53 +00:00
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2008-08-26 23:35:12 +01:00
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#define pipe_mutex_init(name) \
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InitializeCriticalSection(&name)
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2008-02-19 06:07:53 +00:00
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2008-08-26 23:35:12 +01:00
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#define pipe_mutex_destroy(name) \
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DeleteCriticalSection(&name)
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2008-02-19 06:07:53 +00:00
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2008-08-26 23:35:12 +01:00
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#define pipe_mutex_lock(name) \
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EnterCriticalSection(&name)
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2008-02-19 06:07:53 +00:00
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2008-08-26 23:35:12 +01:00
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#define pipe_mutex_unlock(name) \
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LeaveCriticalSection(&name)
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2008-01-20 18:36:23 +00:00
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2008-08-27 10:06:08 +01:00
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/* XXX: dummy definitions, make it compile */
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typedef unsigned pipe_condvar;
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#define pipe_condvar_init(condvar) \
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(void) condvar
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#define pipe_condvar_broadcast(condvar) \
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(void) condvar
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2008-01-20 18:36:23 +00:00
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2008-02-19 06:07:53 +00:00
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#else
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2008-08-26 23:35:12 +01:00
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/** Dummy definitions */
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2008-02-19 06:07:53 +00:00
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2008-08-26 23:35:12 +01:00
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typedef unsigned pipe_thread;
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typedef unsigned pipe_mutex;
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typedef unsigned pipe_condvar;
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2008-02-19 06:07:53 +00:00
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2008-08-26 23:35:12 +01:00
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#define pipe_static_mutex(mutex) \
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static pipe_mutex mutex = 0
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2008-02-19 06:07:53 +00:00
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2008-08-26 23:35:12 +01:00
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#define pipe_mutex_init(mutex) \
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(void) mutex
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2008-02-19 06:07:53 +00:00
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2008-08-26 23:35:12 +01:00
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#define pipe_mutex_destroy(mutex) \
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(void) mutex
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2008-02-19 06:07:53 +00:00
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2008-08-26 23:35:12 +01:00
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#define pipe_mutex_lock(mutex) \
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(void) mutex
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2008-02-19 06:07:53 +00:00
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2008-08-26 23:35:12 +01:00
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#define pipe_mutex_unlock(mutex) \
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(void) mutex
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2008-02-19 06:07:53 +00:00
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2008-08-26 23:35:12 +01:00
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#define pipe_static_condvar(condvar) \
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2008-08-27 15:46:29 +01:00
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static unsigned condvar = 0
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2008-02-19 06:07:53 +00:00
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2008-08-26 23:35:12 +01:00
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#define pipe_condvar_init(condvar) \
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(void) condvar
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2008-02-19 06:07:53 +00:00
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2008-08-26 23:35:12 +01:00
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#define pipe_condvar_destroy(condvar) \
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(void) condvar
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2008-02-19 06:07:53 +00:00
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2008-08-26 23:35:12 +01:00
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#define pipe_condvar_wait(condvar, mutex) \
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(void) condvar
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2008-02-19 06:07:53 +00:00
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2008-08-26 23:35:12 +01:00
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#define pipe_condvar_signal(condvar) \
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(void) condvar
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2008-04-11 04:11:14 +01:00
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2008-08-26 23:35:12 +01:00
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#define pipe_condvar_broadcast(condvar) \
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(void) condvar
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2008-04-11 04:11:14 +01:00
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2008-08-26 23:35:12 +01:00
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#endif /* PIPE_OS_? */
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2008-02-19 06:07:53 +00:00
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/*
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2008-08-26 23:35:12 +01:00
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* Thread-specific data.
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2008-02-19 06:07:53 +00:00
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*/
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2008-08-26 23:35:12 +01:00
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typedef struct {
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#if defined(PIPE_OS_LINUX)
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pthread_key_t key;
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2008-08-27 22:53:57 +01:00
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#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
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2008-08-26 23:35:12 +01:00
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DWORD key;
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#endif
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int initMagic;
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} pipe_tsd;
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2008-02-19 06:07:53 +00:00
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2008-08-26 23:35:12 +01:00
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#define PIPE_TSD_INIT_MAGIC 0xff8adc98
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2008-01-20 18:36:23 +00:00
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2008-08-26 23:35:12 +01:00
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static INLINE void
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pipe_tsd_init(pipe_tsd *tsd)
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{
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#if defined(PIPE_OS_LINUX)
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if (pthread_key_create(&tsd->key, NULL/*free*/) != 0) {
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perror("pthread_key_create(): failed to allocate key for thread specific data");
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exit(-1);
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}
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2008-08-27 22:53:57 +01:00
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#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
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2008-08-26 23:35:12 +01:00
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assert(0);
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#endif
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tsd->initMagic = PIPE_TSD_INIT_MAGIC;
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}
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static INLINE void *
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pipe_tsd_get(pipe_tsd *tsd)
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{
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if (tsd->initMagic != (int) PIPE_TSD_INIT_MAGIC) {
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pipe_tsd_init(tsd);
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}
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#if defined(PIPE_OS_LINUX)
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return pthread_getspecific(tsd->key);
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2008-08-27 22:53:57 +01:00
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#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
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2008-08-26 23:35:12 +01:00
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assert(0);
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return NULL;
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#else
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assert(0);
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return NULL;
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#endif
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}
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static INLINE void
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pipe_tsd_set(pipe_tsd *tsd, void *value)
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{
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if (tsd->initMagic != (int) PIPE_TSD_INIT_MAGIC) {
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pipe_tsd_init(tsd);
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}
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#if defined(PIPE_OS_LINUX)
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if (pthread_setspecific(tsd->key, value) != 0) {
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perror("pthread_set_specific() failed");
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exit(-1);
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}
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2008-08-27 22:53:57 +01:00
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#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
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2008-08-26 23:35:12 +01:00
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assert(0);
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#else
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assert(0);
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#endif
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}
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2008-01-20 18:36:23 +00:00
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2008-08-26 23:35:12 +01:00
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#endif /* _P_THREAD2_H_ */
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