x11include/xorg-server-1.5.3/glthread.h

040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/*
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Mesa 3-D graphics library
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Version:  6.5.2
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync *
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync *
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Permission is hereby granted, free of charge, to any person obtaining a
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * copy of this software and associated documentation files (the "Software"),
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * to deal in the Software without restriction, including without limitation
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * the rights to use, copy, modify, merge, publish, distribute, sublicense,
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * and/or sell copies of the Software, and to permit persons to whom the
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Software is furnished to do so, subject to the following conditions:
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync *
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * The above copyright notice and this permission notice shall be included
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * in all copies or substantial portions of the Software.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync *
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/*
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Thread support for gl dispatch.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync *
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Initial version by John Stone (j.stone@acm.org) (johns@cs.umr.edu)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync *                and Christoph Poliwoda (poliwoda@volumegraphics.com)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Revised by Keith Whitwell
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Adapted for new gl dispatcher by Brian Paul
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync *
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync *
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync *
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * DOCUMENTATION
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync *
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * This thread module exports the following types:
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync *   _glthread_TSD     Thread-specific data area
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync *   _glthread_Thread  Thread datatype
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync *   _glthread_Mutex   Mutual exclusion lock
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync *
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Macros:
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync *   _glthread_DECLARE_STATIC_MUTEX(name)   Declare a non-local mutex
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync *   _glthread_INIT_MUTEX(name)             Initialize a mutex
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync *   _glthread_LOCK_MUTEX(name)             Lock a mutex
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync *   _glthread_UNLOCK_MUTEX(name)           Unlock a mutex
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync *
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Functions:
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync *   _glthread_GetID(v)      Get integer thread ID
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync *   _glthread_InitTSD()     Initialize thread-specific data
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync *   _glthread_GetTSD()      Get thread-specific data
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync *   _glthread_SetTSD()      Set thread-specific data
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync *
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/*
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * If this file is accidentally included by a non-threaded build,
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * it should not cause the build to fail, or otherwise cause problems.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * In general, it should only be included when needed however.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#ifndef GLTHREAD_H
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define GLTHREAD_H
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#if defined(USE_MGL_NAMESPACE)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glapi_Dispatch _mglapi_Dispatch
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#endif
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#if (defined(PTHREADS) || defined(SOLARIS_THREADS) ||\
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync     defined(WIN32_THREADS) || defined(USE_XTHREADS) || defined(BEOS_THREADS)) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync    && !defined(THREADS)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync# define THREADS
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#endif
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#ifdef VMS
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#include <GL/vms_x_fix.h>
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#endif
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/*
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * POSIX threads. This should be your choice in the Unix world
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * whenever possible.  When building with POSIX threads, be sure
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * to enable any compiler flags which will cause the MT-safe
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * libc (if one exists) to be used when linking, as well as any
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * header macros for MT-safe errno, etc.  For Solaris, this is the -mt
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * compiler flag.  On Solaris with gcc, use -D_REENTRANT to enable
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * proper compiling for MT-safe libc etc.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#if defined(PTHREADS)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#include <pthread.h> /* POSIX threads headers */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsynctypedef struct {
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync   pthread_key_t  key;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync   int initMagic;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync} _glthread_TSD;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsynctypedef pthread_t _glthread_Thread;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsynctypedef pthread_mutex_t _glthread_Mutex;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_DECLARE_STATIC_MUTEX(name) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync   static _glthread_Mutex name = PTHREAD_MUTEX_INITIALIZER
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_INIT_MUTEX(name) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync   pthread_mutex_init(&(name), NULL)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_DESTROY_MUTEX(name) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync   pthread_mutex_destroy(&(name))
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_LOCK_MUTEX(name) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync   (void) pthread_mutex_lock(&(name))
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_UNLOCK_MUTEX(name) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync   (void) pthread_mutex_unlock(&(name))
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#endif /* PTHREADS */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/*
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Solaris threads. Use only up to Solaris 2.4.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Solaris 2.5 and higher provide POSIX threads.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Be sure to compile with -mt on the Solaris compilers, or
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * use -D_REENTRANT if using gcc.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#ifdef SOLARIS_THREADS
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#include <thread.h>
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsynctypedef struct {
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync   thread_key_t key;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync   mutex_t      keylock;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync   int          initMagic;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync} _glthread_TSD;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsynctypedef thread_t _glthread_Thread;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsynctypedef mutex_t _glthread_Mutex;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/* XXX need to really implement mutex-related macros */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_DECLARE_STATIC_MUTEX(name)  static _glthread_Mutex name = 0
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_INIT_MUTEX(name)  (void) name
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_DESTROY_MUTEX(name) (void) name
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_LOCK_MUTEX(name)  (void) name
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_UNLOCK_MUTEX(name)  (void) name
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#endif /* SOLARIS_THREADS */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/*
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Windows threads. Should work with Windows NT and 95.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * IMPORTANT: Link with multithreaded runtime library when THREADS are
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * used!
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#ifdef WIN32_THREADS
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#include <windows.h>
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsynctypedef struct {
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync   DWORD key;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync   int   initMagic;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync} _glthread_TSD;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsynctypedef HANDLE _glthread_Thread;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsynctypedef CRITICAL_SECTION _glthread_Mutex;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_DECLARE_STATIC_MUTEX(name)  /*static*/ _glthread_Mutex name = {0,0,0,0,0,0}
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_INIT_MUTEX(name)  InitializeCriticalSection(&name)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_DESTROY_MUTEX(name)  DeleteCriticalSection(&name)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_LOCK_MUTEX(name)  EnterCriticalSection(&name)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_UNLOCK_MUTEX(name)  LeaveCriticalSection(&name)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#endif /* WIN32_THREADS */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/*
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * XFree86 has its own thread wrapper, Xthreads.h
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * We wrap it again for GL.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#ifdef USE_XTHREADS
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#include <X11/Xthreads.h>
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsynctypedef struct {
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync   xthread_key_t key;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync   int initMagic;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync} _glthread_TSD;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsynctypedef xthread_t _glthread_Thread;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsynctypedef xmutex_rec _glthread_Mutex;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#ifdef XMUTEX_INITIALIZER
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_DECLARE_STATIC_MUTEX(name) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync   static _glthread_Mutex name = XMUTEX_INITIALIZER
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#else
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_DECLARE_STATIC_MUTEX(name) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync   static _glthread_Mutex name
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#endif
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_INIT_MUTEX(name) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync   xmutex_init(&(name))
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_DESTROY_MUTEX(name) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync   xmutex_clear(&(name))
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_LOCK_MUTEX(name) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync   (void) xmutex_lock(&(name))
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_UNLOCK_MUTEX(name) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync   (void) xmutex_unlock(&(name))
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#endif /* USE_XTHREADS */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/*
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * BeOS threads. R5.x required.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#ifdef BEOS_THREADS
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#include <kernel/OS.h>
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#include <support/TLS.h>
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsynctypedef struct {
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync   int32        key;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync   int          initMagic;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync} _glthread_TSD;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsynctypedef thread_id _glthread_Thread;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/* Use Benaphore, aka speeder semaphore */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsynctypedef struct {
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync    int32   lock;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync    sem_id  sem;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync} benaphore;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsynctypedef benaphore _glthread_Mutex;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_DECLARE_STATIC_MUTEX(name)  static _glthread_Mutex name = { 0, 0 }
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_INIT_MUTEX(name)      name.sem = create_sem(0, #name"_benaphore"), name.lock = 0
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_DESTROY_MUTEX(name)   delete_sem(name.sem), name.lock = 0
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_LOCK_MUTEX(name)      if (name.sem == 0) _glthread_INIT_MUTEX(name); \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync                                        if (atomic_add(&(name.lock), 1) >= 1) acquire_sem(name.sem)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_UNLOCK_MUTEX(name)    if (atomic_add(&(name.lock), -1) > 1) release_sem(name.sem)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#endif /* BEOS_THREADS */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#ifndef THREADS
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/*
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * THREADS not defined
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsynctypedef int _glthread_TSD;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsynctypedef int _glthread_Thread;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsynctypedef int _glthread_Mutex;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_DECLARE_STATIC_MUTEX(name)  static _glthread_Mutex name = 0
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_INIT_MUTEX(name)  (void) name
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_DESTROY_MUTEX(name)  (void) name
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_LOCK_MUTEX(name)  (void) name
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define _glthread_UNLOCK_MUTEX(name)  (void) name
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#endif /* THREADS */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/*
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Platform independent thread specific data API.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncextern unsigned long
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync_glthread_GetID(void);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncextern void
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync_glthread_InitTSD(_glthread_TSD *);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncextern void *
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync_glthread_GetTSD(_glthread_TSD *);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncextern void
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync_glthread_SetTSD(_glthread_TSD *, void *);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#if defined(GLX_USE_TLS)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncextern __thread struct _glapi_table * _glapi_tls_Dispatch
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync    __attribute__((tls_model("initial-exec")));
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define GET_DISPATCH() _glapi_tls_Dispatch
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#elif !defined(GL_CALL)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync# if defined(THREADS)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#  define GET_DISPATCH() \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync   ((__builtin_expect( _glapi_Dispatch != NULL, 1 )) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync       ? _glapi_Dispatch : _glapi_get_dispatch())
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync# else
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#  define GET_DISPATCH() _glapi_Dispatch
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync# endif /* defined(THREADS) */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#endif  /* ndef GL_CALL */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#endif /* THREADS_H */