PIPeer important fix!

git-svn-id: svn://db.shs.com.ru/pip@110 12ceb7fc-bf1f-11e4-8940-5bc7170c53b5

src/thread/pimutex.cpp

@@ -47,6 +47,7 @@ PIMutex::PIMutex() {
 	pthread_mutex_init(&mutex, &attr);
 	pthread_mutexattr_destroy(&attr);
 #endif
+	locked = false;
 }
 
 
@@ -56,6 +57,7 @@ PIMutex::~PIMutex() {
 #else
 	pthread_mutex_destroy(&mutex);
 #endif
+	locked = false;
 }
 
 
@@ -65,6 +67,7 @@ void PIMutex::lock() {
 #else
 	pthread_mutex_lock(&mutex);
 #endif
+	locked = true;
 }
 
 
@@ -74,13 +77,22 @@ void PIMutex::unlock() {
 #else
 	pthread_mutex_unlock(&mutex);
 #endif
+	locked = false;
 }
 
 
 bool PIMutex::tryLock() {
+	bool ret =
 #ifdef WINDOWS
-	return (WaitForSingleObject(mutex, 0) == WAIT_OBJECT_0);
+			(WaitForSingleObject(mutex, 0) == WAIT_OBJECT_0);
 #else
-	return (pthread_mutex_trylock(&mutex) == 0);
+			(pthread_mutex_trylock(&mutex) == 0);
 #endif
+	locked = true;
+	return ret;
+}
+
+
+bool PIMutex::isLocked() const {
+	return locked;
 }

src/thread/pimutex.h

@@ -49,6 +49,9 @@ public:
 	//! If mutex is already locked function returns immediate an returns "false"
 	bool tryLock();
 	
+	//! Returns if mutex is locked
+	bool isLocked() const;
+	
 private:
 #ifdef WINDOWS
 	void *
@@ -56,6 +59,7 @@ private:
 	pthread_mutex_t
 #endif
 		mutex;
+	bool locked;
 	
 };