From: Mukund Sivaraman <muks@isc.org>
Date: Sun, 21 Oct 2012 23:30:34 +0000 (+0530)
Subject: [2198] Check pthread_mutex_trylock()'s return value
X-Git-Tag: trac2402_base~10^2~8
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=11df86c57f35ed344838b787ecc1caf1382805dc;p=thirdparty%2Fkea.git

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

diff --git a/src/lib/util/threads/sync.cc b/src/lib/util/threads/sync.cc
index db3cc33fb4..bcb391a79e 100644
--- a/src/lib/util/threads/sync.cc
+++ b/src/lib/util/threads/sync.cc
@@ -132,8 +132,10 @@ 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));
     }
     postLockAction();           // Only in debug mode
     return (true);