From: Mukund Sivaraman <muks@isc.org>
Date: Mon, 15 Oct 2012 04:08:39 +0000 (+0530)
Subject: [2198] Check pthread_mutex_trylock()'s return value
X-Git-Tag: trac2402_base~28^2~4
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=e6ac5ef47d9885e20e247697c8c3d1fe55fd2500;p=thirdparty%2Fkea.git

[2198] Check pthread_mutex_trylock()'s return value
---

diff --git a/src/lib/util/threads/lock.cc b/src/lib/util/threads/lock.cc
index ab6bd797df..acc73d6f69 100644
--- a/src/lib/util/threads/lock.cc
+++ b/src/lib/util/threads/lock.cc
@@ -123,8 +123,10 @@ bool
 Mutex::tryLock() {
     assert(impl_ != NULL);
     const int result = pthread_mutex_trylock(&impl_->mutex);
-    if (result != 0) {
+    if (result == EBUSY) {
         return (false);
+    } else if (result != 0) {
+        isc_throw(isc::InvalidOperation, std::strerror(result));
     }
     ++impl_->locked_count; // Only in debug mode
     return (true);