/* thread.c - glue routines to provide a consistent thread interface */
-#include <stdio.h>
-#include "lthread.h"
-#if defined( THREAD_NEXT_CTHREADS )
+#include "portable.h"
+
+#include <lthread.h>
+
+#if defined( HAVE_PTHREADS )
+
+#ifndef HAVE_PTHREAD_KILL
+/***********************************************************************
+ * *
+ * pthreads package with DCE - no mapping to do (except to create a *
+ * pthread_kill() routine) *
+ * *
+ ***********************************************************************/
+
+/* ARGSUSED */
+void
+pthread_kill( pthread_t tid, int sig )
+{
+ kill( getpid(), sig );
+}
+#endif /* HAVE_PTHREAD_KILL */
+
+#elif defined( HAVE_MACH_CTHREADS )
/***********************************************************************
* *
int
pthread_create(
pthread_t *tid,
- pthread_attr_t attr,
+ pthread_attr_t *attr,
VFP func,
void *arg
)
}
void
-pthread_yield()
+pthread_yield( void )
{
cthread_yield();
}
return( 0 );
}
-#elif defined( THREAD_SUNOS4_LWP )
-
-/***********************************************************************
- * *
- * under sunos 4 - use the built in non-preemptive lwp threads package *
- * *
- ***********************************************************************/
+#elif defined( HAVE_THR )
-extern stkalign_t *get_stack();
-static void lwp_create_stack();
+/*******************
+ * *
+ * Solaris Threads *
+ * *
+ *******************/
int
pthread_attr_init( pthread_attr_t *attr )
int
pthread_attr_destroy( pthread_attr_t *attr )
{
+ *attr = 0;
return( 0 );
}
int
pthread_create(
pthread_t *tid,
- pthread_attr_t attr,
+ pthread_attr_t *attr,
VFP func,
void *arg
)
{
- stkalign_t *stack;
- int stackno;
+ return( thr_create( NULL, 0, func, arg, *attr, tid ) );
+}
- if ( (stack = get_stack( &stackno )) == NULL ) {
- return( -1 );
- }
- return( lwp_create( tid, lwp_create_stack, MINPRIO, 0, stack, 3, func,
- arg, stackno ) );
+void
+pthread_yield( void )
+{
+ thr_yield();
+}
+
+void
+pthread_exit()
+{
+ thr_exit( NULL );
+}
+
+void
+pthread_join( pthread_t tid, int *status )
+{
+ thr_join( tid, NULL, (void **) status );
+}
+
+void
+pthread_kill( pthread_t tid, int sig )
+{
+ thr_kill( tid, sig );
+}
+
+/* ARGSUSED */
+int
+pthread_mutex_init( pthread_mutex_t *mp, pthread_mutexattr_t *attr )
+{
+ return( mutex_init( mp, attr ? *attr : USYNC_THREAD, NULL ) );
+}
+
+int
+pthread_mutex_destroy( pthread_mutex_t *mp )
+{
+ return( mutex_destroy( mp ) );
+}
+
+int
+pthread_mutex_lock( pthread_mutex_t *mp )
+{
+ return( mutex_lock( mp ) );
+}
+
+int
+pthread_mutex_unlock( pthread_mutex_t *mp )
+{
+ return( mutex_unlock( mp ) );
+}
+
+int
+pthread_mutex_trylock( pthread_mutex_t *mp )
+{
+ return( mutex_trylock( mp ) );
+}
+
+int
+pthread_cond_init( pthread_cond_t *cv, pthread_condattr_t *attr )
+{
+ return( cond_init( cv, attr ? *attr : USYNC_THREAD, NULL ) );
+}
+
+int
+pthread_cond_destroy( pthread_cond_t *cv )
+{
+ return( cond_destroy( cv ) );
+}
+
+int
+pthread_cond_wait( pthread_cond_t *cv, pthread_mutex_t *mp )
+{
+ return( cond_wait( cv, mp ) );
+}
+
+int
+pthread_cond_signal( pthread_cond_t *cv )
+{
+ return( cond_signal( cv ) );
+}
+
+int
+pthread_cond_broadcast( pthread_cond_t *cv )
+{
+ return( cond_broadcast( cv ) );
+}
+
+#elif defined( HAVE_LWP )
+
+/*************
+ * *
+ * SunOS LWP *
+ * *
+ *************/
+
+int
+pthread_attr_init( pthread_attr_t *attr )
+{
+ *attr = 0;
+ return( 0 );
+}
+
+int
+pthread_attr_destroy( pthread_attr_t *attr )
+{
+ return( 0 );
+}
+
+int
+pthread_attr_getdetachstate( pthread_attr_t *attr, int *detachstate )
+{
+ *detachstate = *attr;
+ return( 0 );
+}
+
+int
+pthread_attr_setdetachstate( pthread_attr_t *attr, int detachstate )
+{
+ *attr = detachstate;
+ return( 0 );
}
static void
free_stack( stackno );
}
+/* ARGSUSED */
+int
+pthread_create(
+ pthread_t *tid,
+ pthread_attr_t *attr,
+ VFP func,
+ void *arg
+)
+{
+ stkalign_t *stack;
+ int stackno;
+
+ if ( (stack = get_stack( &stackno )) == NULL ) {
+ return( -1 );
+ }
+ return( lwp_create( tid, lwp_create_stack, MINPRIO, 0, stack, 3, func,
+ arg, stackno ) );
+}
+
void
-pthread_yield()
+pthread_yield( void )
{
lwp_yield( SELF );
}
return( cv->lcv_created ? cv_broadcast( cv->lcv_cv ) : 0 );
}
-#else /* end sunos4 */
-# if defined( THREAD_SUNOS5_LWP )
+#elif defined( HAVE_NT_MULTITHREADS )
-/***********************************************************************
- * *
- * under sunos 5 - use the built in preemptive solaris threads package *
- * *
- ***********************************************************************/
+#include <process.h>
+#include <winsock2.h>
int
pthread_attr_init( pthread_attr_t *attr )
int
pthread_attr_destroy( pthread_attr_t *attr )
{
- *attr = 0;
return( 0 );
}
return( 0 );
}
-/* ARGSUSED */
int
pthread_create(
pthread_t *tid,
- pthread_attr_t attr,
+ pthread_attr_t *attr,
VFP func,
void *arg
)
{
- return( thr_create( NULL, 0, func, arg, attr, tid ) );
+ *tid = (pthread_t)_beginthread( (void *) func, 0, arg );
+ return ( (unsigned long)*tid == -1 ? -1 : 0 );
}
void
pthread_yield()
{
- thr_yield();
+
}
void
-pthread_exit()
+pthread_exit( void )
{
- thr_exit( NULL );
+ _endthread( );
}
void
-pthread_join( pthread_t tid, int *status )
+pthread_join( pthread_t tid, int *pStatus )
{
- thr_join( tid, NULL, (void **) status );
+ DWORD status;
+ status = WaitForSingleObject( tid, INFINITE );
+ if ( pStatus != NULL)
+ {
+ if ( status != WAIT_FAILED )
+ *pStatus = 0;
+ else
+ *pStatus = WAIT_ABANDONED;
+ }
}
+
void
pthread_kill( pthread_t tid, int sig )
{
- thr_kill( tid, sig );
+ return;
}
-/* ARGSUSED */
+
int
pthread_mutex_init( pthread_mutex_t *mp, pthread_mutexattr_t *attr )
{
- return( mutex_init( mp, attr ? *attr : USYNC_THREAD, NULL ) );
+ *mp = CreateMutex( NULL, 0, NULL );
+ return ( 0 );
}
int
pthread_mutex_destroy( pthread_mutex_t *mp )
{
- return( mutex_destroy( mp ) );
+ CloseHandle( *mp );
+ return ( 0 );
}
int
pthread_mutex_lock( pthread_mutex_t *mp )
{
- return( mutex_lock( mp ) );
+ WaitForSingleObject( *mp, INFINITE );
+ return ( 0 );
}
int
pthread_mutex_unlock( pthread_mutex_t *mp )
{
- return( mutex_unlock( mp ) );
+ ReleaseMutex( *mp );
+ return ( 0 );
}
int
pthread_mutex_trylock( pthread_mutex_t *mp )
{
- return( mutex_trylock( mp ) );
+ DWORD status;
+
+ status = WaitForSingleObject( *mp, 0 );
+ if ( (status == WAIT_FAILED) || (status == WAIT_TIMEOUT) )
+ return 0;
+ else
+ return 1;
}
int
pthread_cond_init( pthread_cond_t *cv, pthread_condattr_t *attr )
{
- return( cond_init( cv, attr ? *attr : USYNC_THREAD, NULL ) );
+ *cv = CreateEvent( NULL, FALSE, FALSE, NULL );
+ return( 0 );
}
int
pthread_cond_destroy( pthread_cond_t *cv )
{
- return( cond_destroy( cv ) );
+ CloseHandle( *cv );
+ return( 0 );
}
int
pthread_cond_wait( pthread_cond_t *cv, pthread_mutex_t *mp )
{
- return( cond_wait( cv, mp ) );
+ ReleaseMutex( *mp );
+ WaitForSingleObject( *cv, INFINITE );
+ WaitForSingleObject( *mp, INFINITE );
+ return( 0 );
}
int
pthread_cond_signal( pthread_cond_t *cv )
{
- return( cond_signal( cv ) );
+ SetEvent( *cv );
+ return( 0 );
}
int
pthread_cond_broadcast( pthread_cond_t *cv )
{
- return( cond_broadcast( cv ) );
-}
-
-
-#else /* end sunos5 threads */
-
-#if defined( THREAD_MIT_PTHREADS )
-
-/***********************************************************************
- * *
- * pthreads package by Chris Provenzano of MIT - provides all the *
- * pthreads calls already, so no mapping to do *
- * *
- ***********************************************************************/
-
-#else /* end mit pthreads */
-
-#if defined( THREAD_DCE_PTHREADS )
-
-/***********************************************************************
- * *
- * pthreads package with DCE - no mapping to do (except to create a *
- * pthread_kill() routine) *
- * *
- ***********************************************************************/
-
-/* ARGSUSED */
-void
-pthread_kill( pthread_t tid, int sig )
-{
- kill( getpid(), sig );
+ SetEvent( *cv );
+ return( 0 );
}
#else
-#if defined ( POSIX_THREADS )
-
-void p_thread_yield( void )
-{
- sched_yield();
-}
-
-#endif /* posix threads */
-#endif /* dce pthreads */
-#endif /* mit pthreads */
-#endif /* sunos5 lwp */
-#endif /* sunos4 lwp */
-
-#ifndef _THREAD
-
/***********************************************************************
* *
* no threads package defined for this system - fake ok returns from *
int
pthread_create(
pthread_t *tid,
- pthread_attr_t attr,
+ pthread_attr_t *attr,
VFP func,
void *arg
)
}
void
-pthread_yield()
+pthread_yield( void )
{
return;
}
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