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gallium: comments and minor re-org in p_thread.h

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There's more work to do in this file:
1. Implement condvars for Windows via Win32 CONDITION_VARIABLE type.
2. Implement barriers for Windows
3. Try to get rid of PIPE_THREAD_HAVE_CONDVAR (only used in trace driver)
4. Why the 2 in _P_THREAD2_H_?
This commit is contained in:
Brian Paul 2009-12-11 14:07:01 -07:00
parent 0fc90dfa28
commit 24d894e557
1 changed files with 34 additions and 6 deletions
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40
src/gallium/include/pipe/p_thread.h
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@ -47,6 +47,8 @@
#define PIPE_THREAD_HAVE_CONDVAR
/* pipe_thread
*/
typedef pthread_t pipe_thread;
#define PIPE_THREAD_ROUTINE( name, param ) \
@ -70,8 +72,10 @@ static INLINE int pipe_thread_destroy( pipe_thread thread )
return pthread_detach( thread );
}
/* pipe_mutex
*/
typedef pthread_mutex_t pipe_mutex;
typedef pthread_cond_t pipe_condvar;
#define pipe_static_mutex(mutex) \
static pipe_mutex mutex = PTHREAD_MUTEX_INITIALIZER
@ -88,6 +92,11 @@ typedef pthread_cond_t pipe_condvar;
#define pipe_mutex_unlock(mutex) \
(void) pthread_mutex_unlock(&(mutex))
/* pipe_condvar
*/
typedef pthread_cond_t pipe_condvar;
#define pipe_static_condvar(mutex) \
static pipe_condvar mutex = PTHREAD_COND_INITIALIZER
@ -107,6 +116,8 @@ typedef pthread_cond_t pipe_condvar;
pthread_cond_broadcast(&(cond))
/* pipe_barrier
*/
typedef pthread_barrier_t pipe_barrier;
static INLINE void pipe_barrier_init(pipe_barrier *barrier, unsigned count)
@ -129,6 +140,8 @@ static INLINE void pipe_barrier_wait(pipe_barrier *barrier)
#include <windows.h>
/* pipe_thread
*/
typedef HANDLE pipe_thread;
#define PIPE_THREAD_ROUTINE( name, param ) \
@ -154,6 +167,9 @@ static INLINE int pipe_thread_destroy( pipe_thread thread )
return -1;
}
/* pipe_mutex
*/
typedef CRITICAL_SECTION pipe_mutex;
#define pipe_static_mutex(mutex) \
@ -171,17 +187,29 @@ typedef CRITICAL_SECTION pipe_mutex;
#define pipe_mutex_unlock(mutex) \
LeaveCriticalSection(&mutex)
/* XXX: dummy definitions, make it compile */
/* pipe_condvar (XXX FIX THIS)
*/
typedef unsigned pipe_condvar;
#define pipe_condvar_init(condvar) \
(void) condvar
#define pipe_condvar_init(cond) \
(void) cond
#define pipe_condvar_broadcast(condvar) \
(void) condvar
#define pipe_condvar_destroy(cond) \
(void) cond
#define pipe_condvar_wait(cond, mutex) \
(void) cond; (void) mutex
#define pipe_condvar_signal(cond) \
(void) cond
#define pipe_condvar_broadcast(cond) \
(void) cond
/* pipe_barrier (XXX FIX THIS)
*/
typedef unsigned pipe_barrier;
static INLINE void pipe_barrier_init(pipe_barrier *barrier, unsigned count)