From 7a4b99129b1e05221add4132533a92de4c454da3 Mon Sep 17 00:00:00 2001
From: ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 28 Nov 2010 12:55:43 +0000
Subject: [PATCH] * 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/trunk@29962 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog        |  5 +++++
 thread_pthread.c | 21 +++++++++++++++++----
 2 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 165082c696..1ea68bdc90 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon Nov 29 05:54:22 2010  Koichi Sasada  <ko1@atdot.net>
+
+	* thread_pthread.c (native_cond_*): Check return code.
+	  (Some OSs except Linux return error code).
+
 Sun Nov 28 21:46:21 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* thread_pthread.c (thread_start_func_1): initialize native thread
diff --git a/thread_pthread.c b/thread_pthread.c
index 797399b97e..054e7034dc 100644
--- a/thread_pthread.c
+++ b/thread_pthread.c
@@ -259,25 +259,38 @@ 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;
 }
 
 static void