merges r29962 from trunk into ruby_1_9_2.

--
* thread_pthread.c (native_cond_*): Check return code.
  (Some OSs except Linux return error code).

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@30269 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 17 insertions, 4 deletions

diff --git a/thread_pthread.c b/thread_pthread.c
index c2fde5c82e..f7c5c2b8ec 100644
--- a/thread_pthread.c
+++ b/thread_pthread.c
@@ -106,25 +106,38 @@ native_cond_destroy(pthread_cond_t *cond)
 static void
 native_cond_signal(pthread_cond_t *cond)
 {
-    pthread_cond_signal(cond);
+    int r = pthread_cond_signal(cond);
+    if (r != 0) {
+	rb_bug_errno("pthread_cond_signal", r);
+    }
 }
 
 static void
 native_cond_broadcast(pthread_cond_t *cond)
 {
-    pthread_cond_broadcast(cond);
+    int r = pthread_cond_broadcast(cond);
+    if (r != 0) {
+	rb_bug_errno("native_cond_broadcast", r);
+    }
 }
 
 static void
 native_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex)
 {
-    pthread_cond_wait(cond, mutex);
+    int r = pthread_cond_wait(cond, mutex);
+    if (r != 0) {
+	rb_bug_errno("pthread_cond_wait", r);
+    }
 }
 
 static int
 native_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex, struct timespec *ts)
 {
-    return pthread_cond_timedwait(cond, mutex, ts);
+    int r = pthread_cond_timedwait(cond, mutex, ts);
+    if (r != 0 && r != ETIMEDOUT && r != EINTR /* Linux */) {
+	rb_bug_errno("pthread_cond_timedwait", r);
+    }
+    return r;
 }