1998-07-18 Ben Elliston <bje@cygnus.com>

	* pthread.h (pthread_cond_init): Add function protoype.
	(pthread_cond_broadcast): Likewise.
	(pthread_cond_signal): Likewise.
	(pthread_cond_timedwait): Likewise.
	(pthread_cond_wait): Likewise.
	(pthread_cond_destroy): Likewise.
	(pthread_cond_t): Define this type.

1 files changed, 31 insertions, 0 deletions

diff --git a/pthread.h b/pthread.h
index f5f980f..3f7e3c6 100644
--- a/pthread.h
+++ b/pthread.h
@@ -25,6 +25,19 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 typedef HANDLE pthread_t;
 typedef CRITICAL_SECTION pthread_mutex_t;
 
+typedef struct {
+  enum { SIGNAL, BROADCAST, NUM_EVENTS };
+
+  /* Signal and broadcast event HANDLEs. */
+  HANDLE events[NUM_EVENTS];
+
+  /* Count of the number of waiters. */
+  u_int waiters_count;
+  
+  /* Serialize access to waiters_count_. */
+  CRITICAL_SECTION waiters_count_lock;
+} pthread_cond_t;
+
 typedef struct { void * ptr; } pthread_condattr_t;
 typedef struct { void * ptr; } pthread_mutexattr_t;
 
@@ -87,6 +100,24 @@ int pthread_mutexattr_setpshared(pthread_mutexattr_t *attr,
 int pthread_mutexattr_getpshared(pthread_mutexattr_t *attr,
 				 int *pshared);
 
+/* Primitives for condition variables. */
+
+int pthread_cond_init(pthread_cond_t *cv,
+		      const pthread_condattr_t *attr);
+
+int pthread_cond_broadcast(pthread_cond_t *cv);
+
+int pthread_cond_signal(pthread_cond_t *cv);
+
+int pthread_cond_timedwait(pthread_cond_t *cv,
+			   pthread_mutex_t *mutex,
+			   const struct timespec *abstime);
+
+int pthread_cond_wait(pthread_cond_t *cv,
+		      pthread_mutex_t *mutex);
+
+int pthread_cond_destroy(pthread_cond_t *cv);
+
 /* Primitives for mutexes. */
 
 int pthread_mutex_init(pthread_mutex_t *mutex,