gallium: Use C11 thread abstractions.
Note that PIPE_ROUTINE now returns an int. Reviewed-by: Brian Paul <brianp@vmware.com> Reviewed-by: Chad Versace <chad.versace@linux.intel.com>
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@ -40,271 +40,97 @@
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#include "pipe/p_compiler.h"
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#include "util/u_debug.h" /* for assert */
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#include "c11/threads.h"
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#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)
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#include <pthread.h> /* POSIX threads headers */
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#include <stdio.h> /* for perror() */
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#ifdef HAVE_PTHREAD
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#include <signal.h>
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#endif
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/* pipe_thread
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*/
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typedef pthread_t pipe_thread;
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typedef thrd_t pipe_thread;
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#define PIPE_THREAD_ROUTINE( name, param ) \
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void *name( void *param )
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int name( void *param )
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static INLINE pipe_thread pipe_thread_create( void *(* routine)( void *), void *param )
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static INLINE pipe_thread pipe_thread_create( PIPE_THREAD_ROUTINE((*routine), ), void *param )
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{
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pipe_thread thread;
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#ifdef HAVE_PTHREAD
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sigset_t saved_set, new_set;
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int ret;
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sigfillset(&new_set);
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pthread_sigmask(SIG_SETMASK, &new_set, &saved_set);
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ret = pthread_create( &thread, NULL, routine, param );
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ret = thrd_create( &thread, routine, param );
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pthread_sigmask(SIG_SETMASK, &saved_set, NULL);
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#else
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int ret;
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ret = thrd_create( &thread, routine, param );
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#endif
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if (ret)
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return 0;
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return thread;
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}
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static INLINE int pipe_thread_wait( pipe_thread thread )
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{
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return pthread_join( thread, NULL );
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return thrd_join( thread, NULL );
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}
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static INLINE int pipe_thread_destroy( pipe_thread thread )
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{
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return pthread_detach( thread );
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return thrd_detach( thread );
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}
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/* pipe_mutex
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*/
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typedef pthread_mutex_t pipe_mutex;
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typedef mtx_t pipe_mutex;
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#define pipe_static_mutex(mutex) \
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static pipe_mutex mutex = PTHREAD_MUTEX_INITIALIZER
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static pipe_mutex mutex = _MTX_INITIALIZER_NP
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#define pipe_mutex_init(mutex) \
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(void) pthread_mutex_init(&(mutex), NULL)
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(void) mtx_init(&(mutex), mtx_plain)
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#define pipe_mutex_destroy(mutex) \
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pthread_mutex_destroy(&(mutex))
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mtx_destroy(&(mutex))
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#define pipe_mutex_lock(mutex) \
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(void) pthread_mutex_lock(&(mutex))
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(void) mtx_lock(&(mutex))
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#define pipe_mutex_unlock(mutex) \
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(void) pthread_mutex_unlock(&(mutex))
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(void) mtx_unlock(&(mutex))
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/* pipe_condvar
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*/
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typedef pthread_cond_t pipe_condvar;
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typedef cnd_t pipe_condvar;
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#define pipe_condvar_init(cond) \
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pthread_cond_init(&(cond), NULL)
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cnd_init(&(cond))
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#define pipe_condvar_destroy(cond) \
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pthread_cond_destroy(&(cond))
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cnd_destroy(&(cond))
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#define pipe_condvar_wait(cond, mutex) \
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pthread_cond_wait(&(cond), &(mutex))
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cnd_wait(&(cond), &(mutex))
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#define pipe_condvar_signal(cond) \
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pthread_cond_signal(&(cond))
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cnd_signal(&(cond))
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#define pipe_condvar_broadcast(cond) \
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pthread_cond_broadcast(&(cond))
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#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
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#include <windows.h>
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/* pipe_thread
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*/
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typedef HANDLE pipe_thread;
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#define PIPE_THREAD_ROUTINE( name, param ) \
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void * WINAPI name( void *param )
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static INLINE pipe_thread pipe_thread_create( void *(WINAPI * routine)( void *), void *param )
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{
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DWORD id;
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return CreateThread( NULL, 0, (LPTHREAD_START_ROUTINE) routine, param, 0, &id );
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}
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static INLINE int pipe_thread_wait( pipe_thread thread )
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{
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if (WaitForSingleObject( thread, INFINITE ) == WAIT_OBJECT_0)
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return 0;
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return -1;
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}
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static INLINE int pipe_thread_destroy( pipe_thread thread )
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{
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if (CloseHandle( thread ))
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return 0;
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return -1;
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}
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/* pipe_mutex
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*/
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typedef CRITICAL_SECTION pipe_mutex;
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/* http://locklessinc.com/articles/pthreads_on_windows/ */
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#define pipe_static_mutex(mutex) \
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static pipe_mutex mutex = {(PCRITICAL_SECTION_DEBUG)-1, -1, 0, 0, 0, 0}
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#define pipe_mutex_init(mutex) \
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InitializeCriticalSection(&mutex)
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#define pipe_mutex_destroy(mutex) \
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DeleteCriticalSection(&mutex)
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#define pipe_mutex_lock(mutex) \
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EnterCriticalSection(&mutex)
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#define pipe_mutex_unlock(mutex) \
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LeaveCriticalSection(&mutex)
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/* TODO: Need a macro to declare "I don't care about WinXP compatibilty" */
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#if 0 && defined (_WIN32_WINNT) && (_WIN32_WINNT >= 0x0600)
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/* CONDITION_VARIABLE is only available on newer versions of Windows
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* (Server 2008/Vista or later).
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* http://msdn.microsoft.com/en-us/library/ms682052(VS.85).aspx
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*
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* pipe_condvar
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*/
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typedef CONDITION_VARIABLE pipe_condvar;
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#define pipe_condvar_init(cond) \
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InitializeConditionVariable(&(cond))
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#define pipe_condvar_destroy(cond) \
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(void) cond /* nothing to do */
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#define pipe_condvar_wait(cond, mutex) \
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SleepConditionVariableCS(&(cond), &(mutex), INFINITE)
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#define pipe_condvar_signal(cond) \
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WakeConditionVariable(&(cond))
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#define pipe_condvar_broadcast(cond) \
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WakeAllConditionVariable(&(cond))
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#else /* need compatibility with pre-Vista Win32 */
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/* pipe_condvar (XXX FIX THIS)
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* See http://www.cs.wustl.edu/~schmidt/win32-cv-1.html
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* for potential pitfalls in implementation.
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*/
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typedef DWORD pipe_condvar;
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#define pipe_condvar_init(cond) \
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(void) (cond = 1)
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#define pipe_condvar_destroy(cond) \
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(void) cond
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/* Poor man's pthread_cond_wait():
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Just release the mutex and sleep for one millisecond.
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The caller's while() loop does all the work. */
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#define pipe_condvar_wait(cond, mutex) \
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do { pipe_mutex_unlock(mutex); \
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Sleep(cond); \
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pipe_mutex_lock(mutex); \
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} while (0)
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#define pipe_condvar_signal(cond) \
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(void) cond
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#define pipe_condvar_broadcast(cond) \
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(void) cond
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#endif /* pre-Vista win32 */
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#else
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#include "os/os_time.h"
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/** Dummy definitions */
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typedef unsigned pipe_thread;
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#define PIPE_THREAD_ROUTINE( name, param ) \
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void * name( void *param )
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static INLINE pipe_thread pipe_thread_create( void *(* routine)( void *), void *param )
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{
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return 0;
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}
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static INLINE int pipe_thread_wait( pipe_thread thread )
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{
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return -1;
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}
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static INLINE int pipe_thread_destroy( pipe_thread thread )
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{
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return -1;
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}
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typedef unsigned pipe_mutex;
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#define pipe_static_mutex(mutex) \
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static pipe_mutex mutex = 0
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#define pipe_mutex_init(mutex) \
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(void) mutex
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#define pipe_mutex_destroy(mutex) \
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(void) mutex
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#define pipe_mutex_lock(mutex) \
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(void) mutex
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#define pipe_mutex_unlock(mutex) \
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(void) mutex
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typedef int64_t pipe_condvar;
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#define pipe_condvar_init(condvar) \
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(void) (condvar = 1000)
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#define pipe_condvar_destroy(condvar) \
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(void) condvar
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/* Poor man's pthread_cond_wait():
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Just release the mutex and sleep for one millisecond.
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The caller's while() loop does all the work. */
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#define pipe_condvar_wait(condvar, mutex) \
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do { pipe_mutex_unlock(mutex); \
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os_time_sleep(condvar); \
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pipe_mutex_lock(mutex); \
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} while (0)
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#define pipe_condvar_signal(condvar) \
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(void) condvar
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#define pipe_condvar_broadcast(condvar) \
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(void) condvar
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#endif /* PIPE_OS_? */
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cnd_broadcast(&(cond))
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/*
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* pipe_barrier
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*/
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#if (defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS) || defined(PIPE_OS_HURD)) && !defined(PIPE_OS_ANDROID)
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#if defined(HAVE_PTHREAD) && !defined(PIPE_OS_ANDROID)
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typedef pthread_barrier_t pipe_barrier;
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@ -432,11 +258,7 @@ pipe_semaphore_wait(pipe_semaphore *sema)
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*/
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typedef struct {
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#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)
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pthread_key_t key;
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#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
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DWORD key;
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#endif
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tss_t key;
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int initMagic;
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} pipe_tsd;
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static INLINE void
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pipe_tsd_init(pipe_tsd *tsd)
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{
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#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)
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if (pthread_key_create(&tsd->key, NULL/*free*/) != 0) {
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perror("pthread_key_create(): failed to allocate key for thread specific data");
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if (tss_create(&tsd->key, NULL/*free*/) != 0) {
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exit(-1);
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}
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#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
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assert(0);
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#endif
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tsd->initMagic = PIPE_TSD_INIT_MAGIC;
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}
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if (tsd->initMagic != (int) PIPE_TSD_INIT_MAGIC) {
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pipe_tsd_init(tsd);
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}
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#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)
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return pthread_getspecific(tsd->key);
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#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
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assert(0);
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return NULL;
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#else
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assert(0);
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return NULL;
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#endif
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return tss_get(tsd->key);
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}
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static INLINE void
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if (tsd->initMagic != (int) PIPE_TSD_INIT_MAGIC) {
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pipe_tsd_init(tsd);
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}
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#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)
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if (pthread_setspecific(tsd->key, value) != 0) {
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perror("pthread_set_specific() failed");
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if (tss_set(tsd->key, value) != 0) {
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exit(-1);
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}
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#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
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assert(0);
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#else
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assert(0);
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#endif
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}
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@ -858,7 +858,7 @@ static PIPE_THREAD_ROUTINE( thread_function, init_data )
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pipe_semaphore_signal(&task->work_done);
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}
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return NULL;
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return 0;
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}
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@ -810,7 +810,7 @@ PIPE_THREAD_ROUTINE(rbug_thread, void_tr_rbug)
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if (s < 0) {
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debug_printf("rbug_rbug - failed to listen\n");
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return NULL;
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return 0;
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}
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u_socket_block(s, false);
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u_socket_stop();
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return NULL;
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return 0;
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}
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/**********************************************************
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@ -57,7 +57,7 @@ static PIPE_THREAD_ROUTINE(thread_function, thread_data)
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pipe_barrier_wait(&barrier);
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printf("thread %d exiting\n", thread_id);
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return NULL;
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return 0;
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}
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@ -593,7 +593,7 @@ static PIPE_THREAD_ROUTINE(radeon_drm_cs_emit_ioctl, param)
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}
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ws->ncs = 0;
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pipe_mutex_unlock(ws->cs_stack_lock);
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return NULL;
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return 0;
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}
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DEBUG_GET_ONCE_BOOL_OPTION(thread, "RADEON_THREAD", TRUE)
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