svn commit: r214833 - user/davidxu/libthr/lib/libthr/thread

[David Xu]

Author: davidxu
Date: Fri Nov  5 09:32:32 2010
New Revision: 214833
URL: http://svn.freebsd.org/changeset/base/214833

Log:
  Pass process-shared flag to syscall.

Modified:
  user/davidxu/libthr/lib/libthr/thread/thr_cond.c

Modified: user/davidxu/libthr/lib/libthr/thread/thr_cond.c
==============================================================================
--- user/davidxu/libthr/lib/libthr/thread/thr_cond.c	Fri Nov  5 09:10:16 2010	(r214832)
+++ user/davidxu/libthr/lib/libthr/thread/thr_cond.c	Fri Nov  5 09:32:32 2010	(r214833)
@@ -60,6 +60,8 @@ __weak_reference(_pthread_cond_destroy, 
 __weak_reference(_pthread_cond_signal, pthread_cond_signal);
 __weak_reference(_pthread_cond_broadcast, pthread_cond_broadcast);
 
+#define CV_PSHARED(cv)	(((cv)->c_kerncv.c_flags & USYNC_PROCESS_SHARED) != 0)
+
 static int
 cond_init(pthread_cond_t *cond, const pthread_condattr_t *cond_attr)
 {
@@ -238,11 +240,11 @@ cond_wait_user(pthread_cond_t *cond, pth
 		if (cancel) {
 			_thr_cancel_enter2(curthread, 0);
 			ret = _thr_umtx_wait_uint((u_int *)&cv->c_seq,
-				(u_int)seq, tsp, 0);
+				(u_int)seq, tsp, CV_PSHARED(cv));
 			_thr_cancel_leave(curthread, 0);
 		} else {
 			ret = _thr_umtx_wait_uint((u_int *)&cv->c_seq,
-				(u_int)seq, tsp, 0);
+				(u_int)seq, tsp, CV_PSHARED(cv));
 		}
 
 		_thr_umtx_lock_spin(&cv->c_lock);
@@ -371,13 +373,13 @@ cond_signal_common(pthread_cond_t *cond,
 			cv->c_seq++;
 			cv->c_signaled++;
 			cv->c_waiters--;
-			_thr_umtx_wake(&cv->c_seq, 1, 0);
+			_thr_umtx_wake(&cv->c_seq, 1, CV_PSHARED(cv));
 		} else {
 			cv->c_seq++;
 			cv->c_broadcast_seq++;
 			cv->c_waiters = 0;
 			cv->c_signaled = 0;
-			_thr_umtx_wake(&cv->c_seq, INT_MAX, 0);
+			_thr_umtx_wake(&cv->c_seq, INT_MAX, CV_PSHARED(cv));
 		}
 	}
 	_thr_umtx_unlock(&cv->c_lock);