TUT framework updated to svn version

[stg.git] / stglibs / locker.lib / include / stg / locker.h

diff --git a/stglibs/locker.lib/include/stg/locker.h b/stglibs/locker.lib/include/stg/locker.h
new file mode 100644 (file)
index 0000000..7a8d0b8
--- /dev/null
+++ b/stglibs/locker.lib/include/stg/locker.h
@@ -0,0 +1,96 @@
+/*
+ *    This program is free software; you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation; either version 2 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program; if not, write to the Free Software
+ *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+/*
+ *    Author : Boris Mikhailenko <stg34@stargazer.dp.ua>
+ */
+
+/*
+ $Revision: 1.5 $
+ $Date: 2010/03/04 11:57:11 $
+ $Author: faust $
+*/
+
+
+#ifndef STG_LOCKER_H
+#define STG_LOCKER_H
+
+#include <pthread.h>
+
+#ifdef DEBUG_LOCKER
+
+#include <iostream>
+#include <string>
+#include <pthread.h>
+
+#endif
+
+//-----------------------------------------------------------------------------
+class STG_LOCKER
+{
+public:
+    #ifdef DEBUG_LOCKER
+    STG_LOCKER(pthread_mutex_t * m, const char * __file__, int __line__)
+        : mutex(m),
+          file(__file__),
+          line(__line__),
+          lockerMutex(),
+          lockID(0)
+    #else
+    STG_LOCKER(pthread_mutex_t * m, const char *, int)
+        : mutex(m)
+    #endif
+        {
+        mutex = m;
+        #ifdef DEBUG_LOCKER
+        pthread_mutex_lock(&lockerMutex);
+        file = __file__;
+        line = __line__;
+        if (id == 0)
+            pthread_mutex_init(&lockerMutex, NULL);
+
+        lockID = ++id;
+        std::cout << "Lock: " << lockID << " " << file << ":" << line << " " << mutex << " " << pthread_self() << std::endl;
+        pthread_mutex_unlock(&lockerMutex);
+        #endif
+        pthread_mutex_lock(mutex);
+        };
+
+    ~STG_LOCKER()
+        {
+        pthread_mutex_unlock(mutex);
+        #ifdef DEBUG_LOCKER
+        pthread_mutex_lock(&lockerMutex);
+        std::cout << "Unlock: " << lockID << " " << file << ":" << line << " " << mutex << " " << pthread_self() << std::endl;
+        pthread_mutex_unlock(&lockerMutex);
+        #endif
+        };
+private:
+    STG_LOCKER(const STG_LOCKER & rvalue);
+    STG_LOCKER & operator=(const STG_LOCKER & rvalue);
+
+    pthread_mutex_t * mutex;
+    #ifdef DEBUG_LOCKER
+    std::string file;
+    int line;
+    static pthread_mutex_t lockerMutex;
+    static long long id;
+    long long lockID;
+    #endif
+};
+//-----------------------------------------------------------------------------
+
+#endif //STG_LOCKER_H