Add some fixes to the Linux version of criticalsection.h

Review URL: http://codereview.chromium.org/243095

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@28122 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 15 insertions, 2 deletions

diff --git a/third_party/libjingle/files/talk/base/criticalsection.h b/third_party/libjingle/files/talk/base/criticalsection.h
index fbe7382..937c5bb 100644
--- a/third_party/libjingle/files/talk/base/criticalsection.h
+++ b/third_party/libjingle/files/talk/base/criticalsection.h
@@ -80,23 +80,36 @@ private:
 
 #ifdef POSIX
 class CriticalSection {
-public:
+ public:
   CriticalSection() {
     pthread_mutexattr_t mutex_attribute;
+    pthread_mutexattr_init(&mutex_attribute);
     pthread_mutexattr_settype(&mutex_attribute, PTHREAD_MUTEX_RECURSIVE);
     pthread_mutex_init(&mutex_, &mutex_attribute);
+    pthread_mutexattr_destroy(&mutex_attribute);
+    TRACK_OWNER(thread_ = 0);
   }
   ~CriticalSection() {
     pthread_mutex_destroy(&mutex_);
   }
   void Enter() {
     pthread_mutex_lock(&mutex_);
+    TRACK_OWNER(thread_ = pthread_self());
   }
   void Leave() {
+    TRACK_OWNER(thread_ = 0);
     pthread_mutex_unlock(&mutex_);
   }
-private:
+
+#if CS_TRACK_OWNER
+  bool CurrentThreadIsOwner() const {
+    return pthread_equal(thread_, pthread_self());
+  }
+#endif  // CS_TRACK_OWNER
+
+ private:
   pthread_mutex_t mutex_;
+  TRACK_OWNER(pthread_t thread_);
 };
 #endif // POSIX