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author | José Fonseca <jfonseca@vmware.com> | 2010-02-05 13:48:35 +0000 |
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committer | José Fonseca <jfonseca@vmware.com> | 2010-02-05 13:48:35 +0000 |
commit | a1af8eec66c5f7ec421e8011b41c1a7c36319f9f (patch) | |
tree | bc76a431699807cf60cf8ba82ff6b3b1ff34f309 /src/gallium/auxiliary/os/os_thread.h | |
parent | c036d13d7d2cc905226fe53ebd86a18da808963f (diff) | |
parent | bee9964b29b2428ee75e2d1efc0e1d2c2518a417 (diff) | |
download | external_mesa3d-a1af8eec66c5f7ec421e8011b41c1a7c36319f9f.zip external_mesa3d-a1af8eec66c5f7ec421e8011b41c1a7c36319f9f.tar.gz external_mesa3d-a1af8eec66c5f7ec421e8011b41c1a7c36319f9f.tar.bz2 |
Merge remote branch 'origin/lp-binning'
Conflicts:
src/gallium/auxiliary/util/u_dl.c
src/gallium/auxiliary/util/u_time.h
src/gallium/drivers/llvmpipe/lp_state_derived.c
src/gallium/drivers/llvmpipe/lp_state_surface.c
src/gallium/drivers/llvmpipe/lp_tex_cache.c
src/gallium/drivers/llvmpipe/lp_tile_cache.c
Diffstat (limited to 'src/gallium/auxiliary/os/os_thread.h')
-rw-r--r-- | src/gallium/auxiliary/os/os_thread.h | 151 |
1 files changed, 144 insertions, 7 deletions
diff --git a/src/gallium/auxiliary/os/os_thread.h b/src/gallium/auxiliary/os/os_thread.h index 2da5fd7..24a2309 100644 --- a/src/gallium/auxiliary/os/os_thread.h +++ b/src/gallium/auxiliary/os/os_thread.h @@ -27,7 +27,8 @@ /** * @file * - * Thread, mutex, condition var and thread-specific data functions. + * Thread, mutex, condition variable, barrier, semaphore and + * thread-specific data functions. */ @@ -46,6 +47,8 @@ #define PIPE_THREAD_HAVE_CONDVAR +/* pipe_thread + */ typedef pthread_t pipe_thread; #define PIPE_THREAD_ROUTINE( name, param ) \ @@ -69,8 +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 @@ -87,6 +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 @@ -106,10 +116,32 @@ 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) +{ + pthread_barrier_init(barrier, NULL, count); +} + +static INLINE void pipe_barrier_destroy(pipe_barrier *barrier) +{ + pthread_barrier_destroy(barrier); +} + +static INLINE void pipe_barrier_wait(pipe_barrier *barrier) +{ + pthread_barrier_wait(barrier); +} + + #elif defined(PIPE_SUBSYSTEM_WINDOWS_USER) #include <windows.h> +/* pipe_thread + */ typedef HANDLE pipe_thread; #define PIPE_THREAD_ROUTINE( name, param ) \ @@ -135,6 +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) \ @@ -152,15 +187,48 @@ 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_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) +{ + /* XXX we could implement barriers with a mutex and condition var */ + assert(0); +} + +static INLINE void pipe_barrier_destroy(pipe_barrier *barrier) +{ + assert(0); +} + +static INLINE void pipe_barrier_wait(pipe_barrier *barrier) +{ + assert(0); +} + -#define pipe_condvar_broadcast(condvar) \ - (void) condvar #else @@ -188,6 +256,7 @@ static INLINE int pipe_thread_destroy( pipe_thread thread ) typedef unsigned pipe_mutex; typedef unsigned pipe_condvar; +typedef unsigned pipe_barrier; #define pipe_static_mutex(mutex) \ static pipe_mutex mutex = 0 @@ -223,9 +292,77 @@ typedef unsigned pipe_condvar; (void) condvar +static INLINE void pipe_barrier_init(pipe_barrier *barrier, unsigned count) +{ + /* XXX we could implement barriers with a mutex and condition var */ + assert(0); +} + +static INLINE void pipe_barrier_destroy(pipe_barrier *barrier) +{ + assert(0); +} + +static INLINE void pipe_barrier_wait(pipe_barrier *barrier) +{ + assert(0); +} + + + #endif /* PIPE_OS_? */ +/* + * Semaphores + */ + +typedef struct +{ + pipe_mutex mutex; + pipe_condvar cond; + int counter; +} pipe_semaphore; + + +static INLINE void +pipe_semaphore_init(pipe_semaphore *sema, int init_val) +{ + pipe_mutex_init(sema->mutex); + pipe_condvar_init(sema->cond); + sema->counter = init_val; +} + +static INLINE void +pipe_semaphore_destroy(pipe_semaphore *sema) +{ + pipe_mutex_destroy(sema->mutex); + pipe_condvar_destroy(sema->cond); +} + +/** Signal/increment semaphore counter */ +static INLINE void +pipe_semaphore_signal(pipe_semaphore *sema) +{ + pipe_mutex_lock(sema->mutex); + sema->counter++; + pipe_condvar_signal(sema->cond); + pipe_mutex_unlock(sema->mutex); +} + +/** Wait for semaphore counter to be greater than zero */ +static INLINE void +pipe_semaphore_wait(pipe_semaphore *sema) +{ + pipe_mutex_lock(sema->mutex); + while (sema->counter <= 0) { + pipe_condvar_wait(sema->cond, sema->mutex); + } + sema->counter--; + pipe_mutex_unlock(sema->mutex); +} + + /* * Thread-specific data. |