Commit fd33a6bc authored by José Fonseca's avatar José Fonseca

gallium: Use C11 thread abstractions.

Note that PIPE_ROUTINE now returns an int.
Reviewed-by: default avatarBrian Paul <brianp@vmware.com>
Reviewed-by: default avatarChad Versace <chad.versace@linux.intel.com>
parent ecaa81bd
......@@ -40,271 +40,97 @@
#include "pipe/p_compiler.h"
#include "util/u_debug.h" /* for assert */
#include "c11/threads.h"
#if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS) || defined(PIPE_OS_APPLE) || defined(PIPE_OS_HAIKU) || defined(PIPE_OS_CYGWIN) || defined(PIPE_OS_HURD)
#include <pthread.h> /* POSIX threads headers */
#include <stdio.h> /* for perror() */
#ifdef HAVE_PTHREAD
#include <signal.h>
#endif
/* pipe_thread
*/
typedef pthread_t pipe_thread;
typedef thrd_t pipe_thread;
#define PIPE_THREAD_ROUTINE( name, param ) \
void *name( void *param )
int name( void *param )
static INLINE pipe_thread pipe_thread_create( void *(* routine)( void *), void *param )
static INLINE pipe_thread pipe_thread_create( PIPE_THREAD_ROUTINE((*routine), ), void *param )
{
pipe_thread thread;
#ifdef HAVE_PTHREAD
sigset_t saved_set, new_set;
int ret;
sigfillset(&new_set);
pthread_sigmask(SIG_SETMASK, &new_set, &saved_set);
ret = pthread_create( &thread, NULL, routine, param );
ret = thrd_create( &thread, routine, param );
pthread_sigmask(SIG_SETMASK, &saved_set, NULL);
#else
int ret;
ret = thrd_create( &thread, routine, param );
#endif
if (ret)
return 0;
return thread;
}
static INLINE int pipe_thread_wait( pipe_thread thread )
{
return pthread_join( thread, NULL );
return thrd_join( thread, NULL );
}
static INLINE int pipe_thread_destroy( pipe_thread thread )
{
return pthread_detach( thread );
return thrd_detach( thread );
}
/* pipe_mutex
*/
typedef pthread_mutex_t pipe_mutex;
typedef mtx_t pipe_mutex;
#define pipe_static_mutex(mutex) \
static pipe_mutex mutex = PTHREAD_MUTEX_INITIALIZER
static pipe_mutex mutex = _MTX_INITIALIZER_NP
#define pipe_mutex_init(mutex) \
(void) pthread_mutex_init(&(mutex), NULL)
(void) mtx_init(&(mutex), mtx_plain)
#define pipe_mutex_destroy(mutex) \
pthread_mutex_destroy(&(mutex))
mtx_destroy(&(mutex))
#define pipe_mutex_lock(mutex) \
(void) pthread_mutex_lock(&(mutex))
(void) mtx_lock(&(mutex))
#define pipe_mutex_unlock(mutex) \
(void) pthread_mutex_unlock(&(mutex))
(void) mtx_unlock(&(mutex))
/* pipe_condvar
*/
typedef pthread_cond_t pipe_condvar;
typedef cnd_t pipe_condvar;
#define pipe_condvar_init(cond) \
pthread_cond_init(&(cond), NULL)
#define pipe_condvar_destroy(cond) \
pthread_cond_destroy(&(cond))
#define pipe_condvar_wait(cond, mutex) \
pthread_cond_wait(&(cond), &(mutex))
#define pipe_condvar_signal(cond) \
pthread_cond_signal(&(cond))
#define pipe_condvar_broadcast(cond) \
pthread_cond_broadcast(&(cond))
#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
#include <windows.h>
/* pipe_thread
*/
typedef HANDLE pipe_thread;
#define PIPE_THREAD_ROUTINE( name, param ) \
void * WINAPI name( void *param )
static INLINE pipe_thread pipe_thread_create( void *(WINAPI * routine)( void *), void *param )
{
DWORD id;
return CreateThread( NULL, 0, (LPTHREAD_START_ROUTINE) routine, param, 0, &id );
}
static INLINE int pipe_thread_wait( pipe_thread thread )
{
if (WaitForSingleObject( thread, INFINITE ) == WAIT_OBJECT_0)
return 0;
return -1;
}
static INLINE int pipe_thread_destroy( pipe_thread thread )
{
if (CloseHandle( thread ))
return 0;
return -1;
}
/* pipe_mutex
*/
typedef CRITICAL_SECTION pipe_mutex;
/* http://locklessinc.com/articles/pthreads_on_windows/ */
#define pipe_static_mutex(mutex) \
static pipe_mutex mutex = {(PCRITICAL_SECTION_DEBUG)-1, -1, 0, 0, 0, 0}
#define pipe_mutex_init(mutex) \
InitializeCriticalSection(&mutex)
#define pipe_mutex_destroy(mutex) \
DeleteCriticalSection(&mutex)
#define pipe_mutex_lock(mutex) \
EnterCriticalSection(&mutex)
#define pipe_mutex_unlock(mutex) \
LeaveCriticalSection(&mutex)
/* TODO: Need a macro to declare "I don't care about WinXP compatibilty" */
#if 0 && defined (_WIN32_WINNT) && (_WIN32_WINNT >= 0x0600)
/* CONDITION_VARIABLE is only available on newer versions of Windows
* (Server 2008/Vista or later).
* http://msdn.microsoft.com/en-us/library/ms682052(VS.85).aspx
*
* pipe_condvar
*/
typedef CONDITION_VARIABLE pipe_condvar;
#define pipe_condvar_init(cond) \
InitializeConditionVariable(&(cond))
#define pipe_condvar_destroy(cond) \
(void) cond /* nothing to do */
#define pipe_condvar_wait(cond, mutex) \
SleepConditionVariableCS(&(cond), &(mutex), INFINITE)
#define pipe_condvar_signal(cond) \
WakeConditionVariable(&(cond))
#define pipe_condvar_broadcast(cond) \
WakeAllConditionVariable(&(cond))
#else /* need compatibility with pre-Vista Win32 */
/* pipe_condvar (XXX FIX THIS)
* See http://www.cs.wustl.edu/~schmidt/win32-cv-1.html
* for potential pitfalls in implementation.
*/
typedef DWORD pipe_condvar;
#define pipe_condvar_init(cond) \
(void) (cond = 1)
cnd_init(&(cond))
#define pipe_condvar_destroy(cond) \
(void) cond
cnd_destroy(&(cond))
/* Poor man's pthread_cond_wait():
Just release the mutex and sleep for one millisecond.
The caller's while() loop does all the work. */
#define pipe_condvar_wait(cond, mutex) \
do { pipe_mutex_unlock(mutex); \
Sleep(cond); \
pipe_mutex_lock(mutex); \
} while (0)
cnd_wait(&(cond), &(mutex))
#define pipe_condvar_signal(cond) \
(void) cond
cnd_signal(&(cond))
#define pipe_condvar_broadcast(cond) \
(void) cond
#endif /* pre-Vista win32 */
#else
#include "os/os_time.h"
/** Dummy definitions */
typedef unsigned pipe_thread;
#define PIPE_THREAD_ROUTINE( name, param ) \
void * name( void *param )
static INLINE pipe_thread pipe_thread_create( void *(* routine)( void *), void *param )
{
return 0;
}
static INLINE int pipe_thread_wait( pipe_thread thread )
{
return -1;
}
static INLINE int pipe_thread_destroy( pipe_thread thread )
{
return -1;
}
typedef unsigned pipe_mutex;
#define pipe_static_mutex(mutex) \
static pipe_mutex mutex = 0
#define pipe_mutex_init(mutex) \
(void) mutex
#define pipe_mutex_destroy(mutex) \
(void) mutex
#define pipe_mutex_lock(mutex) \
(void) mutex
#define pipe_mutex_unlock(mutex) \
(void) mutex
typedef int64_t pipe_condvar;
#define pipe_condvar_init(condvar) \
(void) (condvar = 1000)
#define pipe_condvar_destroy(condvar) \
(void) condvar
/* Poor man's pthread_cond_wait():
Just release the mutex and sleep for one millisecond.
The caller's while() loop does all the work. */
#define pipe_condvar_wait(condvar, mutex) \
do { pipe_mutex_unlock(mutex); \
os_time_sleep(condvar); \
pipe_mutex_lock(mutex); \
} while (0)
#define pipe_condvar_signal(condvar) \
(void) condvar
#define pipe_condvar_broadcast(condvar) \
(void) condvar
#endif /* PIPE_OS_? */
cnd_broadcast(&(cond))
/*
* pipe_barrier
*/
#if (defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS) || defined(PIPE_OS_HURD)) && !defined(PIPE_OS_ANDROID)
#if defined(HAVE_PTHREAD) && !defined(PIPE_OS_ANDROID)
typedef pthread_barrier_t pipe_barrier;
......@@ -432,11 +258,7 @@ pipe_semaphore_wait(pipe_semaphore *sema)
*/
typedef struct {
#if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS) || defined(PIPE_OS_APPLE) || defined(PIPE_OS_HAIKU) || defined(PIPE_OS_CYGWIN) || defined(PIPE_OS_HURD)
pthread_key_t key;
#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
DWORD key;
#endif
tss_t key;
int initMagic;
} pipe_tsd;
......@@ -447,14 +269,9 @@ typedef struct {
static INLINE void
pipe_tsd_init(pipe_tsd *tsd)
{
#if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS) || defined(PIPE_OS_APPLE) || defined(PIPE_OS_HAIKU) || defined(PIPE_OS_CYGWIN) || defined(PIPE_OS_HURD)
if (pthread_key_create(&tsd->key, NULL/*free*/) != 0) {
perror("pthread_key_create(): failed to allocate key for thread specific data");
if (tss_create(&tsd->key, NULL/*free*/) != 0) {
exit(-1);
}
#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
assert(0);
#endif
tsd->initMagic = PIPE_TSD_INIT_MAGIC;
}
......@@ -464,15 +281,7 @@ pipe_tsd_get(pipe_tsd *tsd)
if (tsd->initMagic != (int) PIPE_TSD_INIT_MAGIC) {
pipe_tsd_init(tsd);
}
#if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS) || defined(PIPE_OS_APPLE) || defined(PIPE_OS_HAIKU) || defined(PIPE_OS_CYGWIN) || defined(PIPE_OS_HURD)
return pthread_getspecific(tsd->key);
#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
assert(0);
return NULL;
#else
assert(0);
return NULL;
#endif
return tss_get(tsd->key);
}
static INLINE void
......@@ -481,16 +290,9 @@ pipe_tsd_set(pipe_tsd *tsd, void *value)
if (tsd->initMagic != (int) PIPE_TSD_INIT_MAGIC) {
pipe_tsd_init(tsd);
}
#if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS) || defined(PIPE_OS_APPLE) || defined(PIPE_OS_HAIKU) || defined(PIPE_OS_CYGWIN) || defined(PIPE_OS_HURD)
if (pthread_setspecific(tsd->key, value) != 0) {
perror("pthread_set_specific() failed");
if (tss_set(tsd->key, value) != 0) {
exit(-1);
}
#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
assert(0);
#else
assert(0);
#endif
}
......
......@@ -858,7 +858,7 @@ static PIPE_THREAD_ROUTINE( thread_function, init_data )
pipe_semaphore_signal(&task->work_done);
}
return NULL;
return 0;
}
......
......@@ -810,7 +810,7 @@ PIPE_THREAD_ROUTINE(rbug_thread, void_tr_rbug)
if (s < 0) {
debug_printf("rbug_rbug - failed to listen\n");
return NULL;
return 0;
}
u_socket_block(s, false);
......@@ -836,7 +836,7 @@ PIPE_THREAD_ROUTINE(rbug_thread, void_tr_rbug)
u_socket_stop();
return NULL;
return 0;
}
/**********************************************************
......
......@@ -57,7 +57,7 @@ static PIPE_THREAD_ROUTINE(thread_function, thread_data)
pipe_barrier_wait(&barrier);
printf("thread %d exiting\n", thread_id);
return NULL;
return 0;
}
......
......@@ -593,7 +593,7 @@ static PIPE_THREAD_ROUTINE(radeon_drm_cs_emit_ioctl, param)
}
ws->ncs = 0;
pipe_mutex_unlock(ws->cs_stack_lock);
return NULL;
return 0;
}
DEBUG_GET_ONCE_BOOL_OPTION(thread, "RADEON_THREAD", TRUE)
......
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