diff options
Diffstat (limited to 'mesalib/src/mapi/glapi/glthread.h')
| -rw-r--r-- | mesalib/src/mapi/glapi/glthread.h | 261 |
1 files changed, 13 insertions, 248 deletions
diff --git a/mesalib/src/mapi/glapi/glthread.h b/mesalib/src/mapi/glapi/glthread.h index 4fe99284a..fc4ece7c3 100644 --- a/mesalib/src/mapi/glapi/glthread.h +++ b/mesalib/src/mapi/glapi/glthread.h @@ -1,255 +1,20 @@ -/* - * 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 - * - * - * - * DOCUMENTATION - * - * This thread module exports the following types: - * _glthread_TSD Thread-specific data area - * _glthread_Thread Thread datatype - * _glthread_Mutex Mutual exclusion lock - * - * Macros: - * _glthread_DECLARE_STATIC_MUTEX(name) Declare a non-local mutex - * _glthread_INIT_MUTEX(name) Initialize a mutex - * _glthread_LOCK_MUTEX(name) Lock a mutex - * _glthread_UNLOCK_MUTEX(name) Unlock a mutex - * - * Functions: - * _glthread_GetID(v) Get integer thread ID - * _glthread_InitTSD() Initialize thread-specific data - * _glthread_GetTSD() Get thread-specific data - * _glthread_SetTSD() Set thread-specific data - * - */ - -/* - * 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 GLTHREAD_H #define GLTHREAD_H +#include "mapi/u_thread.h" -#if defined(PTHREADS) || defined(WIN32_THREADS) || 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 */ - -typedef struct { - pthread_key_t key; - int initMagic; -} _glthread_TSD; - -typedef pthread_t _glthread_Thread; - -typedef pthread_mutex_t _glthread_Mutex; - -#define _glthread_DECLARE_STATIC_MUTEX(name) \ - static _glthread_Mutex name = PTHREAD_MUTEX_INITIALIZER - -#define _glthread_INIT_MUTEX(name) \ - pthread_mutex_init(&(name), NULL) - -#define _glthread_DESTROY_MUTEX(name) \ - pthread_mutex_destroy(&(name)) - -#define _glthread_LOCK_MUTEX(name) \ - (void) pthread_mutex_lock(&(name)) - -#define _glthread_UNLOCK_MUTEX(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_THREADS -#include <windows.h> - -typedef struct { - DWORD key; - int initMagic; -} _glthread_TSD; - -typedef HANDLE _glthread_Thread; - -typedef CRITICAL_SECTION _glthread_Mutex; - -#define _glthread_DECLARE_STATIC_MUTEX(name) \ - /* static */ _glthread_Mutex name = { 0, 0, 0, 0, 0, 0 } - -#define _glthread_INIT_MUTEX(name) \ - InitializeCriticalSection(&name) - -#define _glthread_DESTROY_MUTEX(name) \ - DeleteCriticalSection(&name) - -#define _glthread_LOCK_MUTEX(name) \ - EnterCriticalSection(&name) - -#define _glthread_UNLOCK_MUTEX(name) \ - LeaveCriticalSection(&name) - -#endif /* WIN32_THREADS */ - - -/* - * 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 - -typedef struct { - int32 key; - int initMagic; -} _glthread_TSD; - -typedef thread_id _glthread_Thread; - -/* Use Benaphore, aka speeder semaphore */ -typedef struct { - int32 lock; - sem_id sem; -} benaphore; -typedef benaphore _glthread_Mutex; - -#define _glthread_DECLARE_STATIC_MUTEX(name) \ - static _glthread_Mutex name = { 0, 0 } - -#define _glthread_INIT_MUTEX(name) \ - name.sem = create_sem(0, #name"_benaphore"), \ - name.lock = 0 - -#define _glthread_DESTROY_MUTEX(name) \ - delete_sem(name.sem), \ - name.lock = 0 - -#define _glthread_LOCK_MUTEX(name) \ - if (name.sem == 0) \ - _glthread_INIT_MUTEX(name); \ - if (atomic_add(&(name.lock), 1) >= 1) \ - acquire_sem(name.sem) - -#define _glthread_UNLOCK_MUTEX(name) \ - if (atomic_add(&(name.lock), -1) > 1) \ - release_sem(name.sem) - -#endif /* BEOS_THREADS */ - - -/* - * THREADS not defined - */ -#ifndef THREADS - -typedef unsigned _glthread_TSD; - -typedef unsigned _glthread_Thread; - -typedef unsigned _glthread_Mutex; - -#define _glthread_DECLARE_STATIC_MUTEX(name) static _glthread_Mutex name = 0 - -#define _glthread_INIT_MUTEX(name) (void) name - -#define _glthread_DESTROY_MUTEX(name) (void) name - -#define _glthread_LOCK_MUTEX(name) (void) name - -#define _glthread_UNLOCK_MUTEX(name) (void) name - -#endif /* THREADS */ - - - -/* - * Platform independent thread specific data API. - */ - -extern unsigned long -_glthread_GetID(void); - - -extern void -_glthread_InitTSD(_glthread_TSD *); - - -extern void -_glthread_DestroyTSD(_glthread_TSD *); /* WIN32 only */ - - -extern void * -_glthread_GetTSD(_glthread_TSD *); - +#define _glthread_DECLARE_STATIC_MUTEX(name) u_mutex_declare_static(name) +#define _glthread_INIT_MUTEX(name) u_mutex_init(name) +#define _glthread_DESTROY_MUTEX(name) u_mutex_destroy(name) +#define _glthread_LOCK_MUTEX(name) u_mutex_lock(name) +#define _glthread_UNLOCK_MUTEX(name) u_mutex_unlock(name) -extern void -_glthread_SetTSD(_glthread_TSD *, void *); +#define _glthread_InitTSD(tsd) u_tsd_init(tsd); +#define _glthread_DestroyTSD(tsd) u_tsd_destroy(tsd); +#define _glthread_GetTSD(tsd) u_tsd_get(tsd); +#define _glthread_SetTSD(tsd, ptr) u_tsd_set(tsd, ptr); +typedef struct u_tsd _glthread_TSD; +typedef u_mutex _glthread_Mutex; -#endif /* THREADS_H */ +#endif /* GLTHREAD_H */ |