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Diffstat (limited to 'src/mapi/mapi/u_thread.h')
| -rw-r--r-- | src/mapi/mapi/u_thread.h | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/src/mapi/mapi/u_thread.h b/src/mapi/mapi/u_thread.h deleted file mode 100644 index 92a0a39..0000000 --- a/src/mapi/mapi/u_thread.h +++ /dev/null @@ -1,201 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.5.2 - * - * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - - -/* - * Thread support for gl dispatch. - * - * Initial version by John Stone (j.stone@acm.org) (johns@cs.umr.edu) - * and Christoph Poliwoda (poliwoda@volumegraphics.com) - * Revised by Keith Whitwell - * Adapted for new gl dispatcher by Brian Paul - * Modified for use in mapi by Chia-I Wu - */ - -/* - * If this file is accidentally included by a non-threaded build, - * it should not cause the build to fail, or otherwise cause problems. - * In general, it should only be included when needed however. - */ - -#ifndef _U_THREAD_H_ -#define _U_THREAD_H_ - -#include "u_compiler.h" - -#if defined(PTHREADS) || defined(WIN32) || defined(BEOS_THREADS) -#ifndef THREADS -#define THREADS -#endif -#endif - -/* - * POSIX threads. This should be your choice in the Unix world - * whenever possible. When building with POSIX threads, be sure - * to enable any compiler flags which will cause the MT-safe - * libc (if one exists) to be used when linking, as well as any - * header macros for MT-safe errno, etc. For Solaris, this is the -mt - * compiler flag. On Solaris with gcc, use -D_REENTRANT to enable - * proper compiling for MT-safe libc etc. - */ -#if defined(PTHREADS) -#include <pthread.h> /* POSIX threads headers */ - -struct u_tsd { - pthread_key_t key; - int initMagic; -}; - -typedef pthread_mutex_t u_mutex; - -#define u_mutex_declare_static(name) \ - static u_mutex name = PTHREAD_MUTEX_INITIALIZER - -#define u_mutex_init(name) pthread_mutex_init(&(name), NULL) -#define u_mutex_destroy(name) pthread_mutex_destroy(&(name)) -#define u_mutex_lock(name) (void) pthread_mutex_lock(&(name)) -#define u_mutex_unlock(name) (void) pthread_mutex_unlock(&(name)) - -#endif /* PTHREADS */ - - -/* - * Windows threads. Should work with Windows NT and 95. - * IMPORTANT: Link with multithreaded runtime library when THREADS are - * used! - */ -#ifdef WIN32 -#include <windows.h> - -struct u_tsd { - DWORD key; - int initMagic; -}; - -typedef CRITICAL_SECTION u_mutex; - -/* http://locklessinc.com/articles/pthreads_on_windows/ */ -#define u_mutex_declare_static(name) \ - /* static */ u_mutex name = {(void*)-1, -1, 0, 0, 0, 0} - -#define u_mutex_init(name) InitializeCriticalSection(&name) -#define u_mutex_destroy(name) DeleteCriticalSection(&name) -#define u_mutex_lock(name) EnterCriticalSection(&name) -#define u_mutex_unlock(name) LeaveCriticalSection(&name) - -#endif /* WIN32 */ - - -/* - * BeOS threads. R5.x required. - */ -#ifdef BEOS_THREADS - -/* Problem with OS.h and this file on haiku */ -#ifndef __HAIKU__ -#include <kernel/OS.h> -#endif - -#include <support/TLS.h> - -/* The only two typedefs required here - * this is cause of the OS.h problem - */ -#ifdef __HAIKU__ -typedef int32 thread_id; -typedef int32 sem_id; -#endif - -struct u_tsd { - int32 key; - int initMagic; -}; - -/* Use Benaphore, aka speeder semaphore */ -typedef struct { - int32 lock; - sem_id sem; -} benaphore; -typedef benaphore u_mutex; - -#define u_mutex_declare_static(name) \ - static u_mutex name = { 0, 0 } - -#define u_mutex_init(name) \ - name.sem = create_sem(0, #name"_benaphore"), \ - name.lock = 0 - -#define u_mutex_destroy(name) \ - delete_sem(name.sem), \ - name.lock = 0 - -#define u_mutex_lock(name) \ - if (name.sem == 0) \ - u_mutex_init(name); \ - if (atomic_add(&(name.lock), 1) >= 1) \ - acquire_sem(name.sem) - -#define u_mutex_unlock(name) \ - if (atomic_add(&(name.lock), -1) > 1) \ - release_sem(name.sem) - -#endif /* BEOS_THREADS */ - - -/* - * THREADS not defined - */ -#ifndef THREADS - -struct u_tsd { - int initMagic; -}; - -typedef unsigned u_mutex; - -#define u_mutex_declare_static(name) static u_mutex name = 0 -#define u_mutex_init(name) (void) name -#define u_mutex_destroy(name) (void) name -#define u_mutex_lock(name) (void) name -#define u_mutex_unlock(name) (void) name - -#endif /* THREADS */ - - -unsigned long -u_thread_self(void); - -void -u_tsd_init(struct u_tsd *tsd); - -void -u_tsd_destroy(struct u_tsd *tsd); /* WIN32 only */ - -void * -u_tsd_get(struct u_tsd *tsd); - -void -u_tsd_set(struct u_tsd *tsd, void *ptr); - -#endif /* _U_THREAD_H_ */ |