#ifndef GLTHREAD_H
#define GLTHREAD_H
#if defined(USE_MGL_NAMESPACE)
#define _glapi_Dispatch _mglapi_Dispatch
#endif
#if (defined(PTHREADS) || defined(SOLARIS_THREADS) ||\
defined(WIN32_THREADS) || defined(USE_XTHREADS) || defined(BEOS_THREADS)) \
&& !defined(THREADS)
# define THREADS
#endif
#ifdef VMS
#include <GL/vms_x_fix.h>
#endif
#if defined(PTHREADS)
#include <pthread.h>
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
#ifdef SOLARIS_THREADS
#include <thread.h>
typedef struct {
thread_key_t key;
mutex_t keylock;
int initMagic;
} _glthread_TSD;
typedef thread_t _glthread_Thread;
typedef mutex_t _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
#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) _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
#ifdef USE_XTHREADS
#include <X11/Xthreads.h>
typedef struct {
xthread_key_t key;
int initMagic;
} _glthread_TSD;
typedef xthread_t _glthread_Thread;
typedef xmutex_rec _glthread_Mutex;
#ifdef XMUTEX_INITIALIZER
#define _glthread_DECLARE_STATIC_MUTEX(name) \
static _glthread_Mutex name = XMUTEX_INITIALIZER
#else
#define _glthread_DECLARE_STATIC_MUTEX(name) \
static _glthread_Mutex name
#endif
#define _glthread_INIT_MUTEX(name) \
xmutex_init(&(name))
#define _glthread_DESTROY_MUTEX(name) \
xmutex_clear(&(name))
#define _glthread_LOCK_MUTEX(name) \
(void) xmutex_lock(&(name))
#define _glthread_UNLOCK_MUTEX(name) \
(void) xmutex_unlock(&(name))
#endif
#ifdef BEOS_THREADS
#include <kernel/OS.h>
#include <support/TLS.h>
typedef struct {
int32 key;
int initMagic;
} _glthread_TSD;
typedef thread_id _glthread_Thread;
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
#ifndef THREADS
typedef int _glthread_TSD;
typedef int _glthread_Thread;
typedef int _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
extern unsigned long
_glthread_GetID(void);
extern void
_glthread_InitTSD(_glthread_TSD *);
extern void *
_glthread_GetTSD(_glthread_TSD *);
extern void
_glthread_SetTSD(_glthread_TSD *, void *);
#if defined(GLX_USE_TLS)
extern __thread struct _glapi_table * _glapi_tls_Dispatch
__attribute__((tls_model("initial-exec")));
#define GET_DISPATCH() _glapi_tls_Dispatch
#elif !defined(GL_CALL)
# if defined(THREADS)
# define GET_DISPATCH() \
((__builtin_expect( _glapi_Dispatch != NULL, 1 )) \
? _glapi_Dispatch : _glapi_get_dispatch())
# else
# define GET_DISPATCH() _glapi_Dispatch
# endif
#endif
#endif