From f1df46a5c04d38f155cd8f8c8315eeb1f3fc7c2e Mon Sep 17 00:00:00 2001
From: Piotr Krysik <perper@o2.pl>
Date: Sat, 27 Jun 2009 13:14:30 +0200
Subject: added files from openbts for tch/f decoding and removed openbts

---
 src/lib/decoder/openbtsstuff/Threads.h | 150 +++++++++++++++++++++++++++++++++
 1 file changed, 150 insertions(+)
 create mode 100644 src/lib/decoder/openbtsstuff/Threads.h

(limited to 'src/lib/decoder/openbtsstuff/Threads.h')

diff --git a/src/lib/decoder/openbtsstuff/Threads.h b/src/lib/decoder/openbtsstuff/Threads.h
new file mode 100644
index 0000000..14cff04
--- /dev/null
+++ b/src/lib/decoder/openbtsstuff/Threads.h
@@ -0,0 +1,150 @@
+/*
+* Copyright 2008 Free Software Foundation, Inc.
+*
+* This software is distributed under the terms of the GNU Public License.
+* See the COPYING file in the main directory for details.
+
+    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 3 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, see <http://www.gnu.org/licenses/>.
+
+*/
+
+
+#ifndef THREADS_H
+#define THREADS_H
+
+
+#include <pthread.h>
+#include <iostream>
+#include "Assert.h"
+
+class Mutex;
+
+
+/**@name Multithreaded access for standard streams. */
+//@{
+
+/**@name Functions for gStreamLock. */
+//@{
+extern Mutex gStreamLock;	///< global lock for cout and cerr
+void lockCerr();		///< call prior to writing cerr
+void unlockCerr();		///< call after writing cerr
+void lockCout();		///< call prior to writing cout
+void unlockCout();		///< call after writing cout
+//@}
+
+/**@name Macros for standard messages. */
+//@{
+#define COUT(text) { lockCout(); std::cout << text; unlockCout(); }
+#define CERR(text) { lockCerr(); std::cerr << __FILE__ << ":" << __LINE__ << ": " << text; unlockCerr(); }
+#ifdef NDEBUG
+#define DCOUT(text) {}
+#define OBJDCOUT(text) {}
+#else
+#define DCOUT(text) { COUT(__FILE__ << ":" << __LINE__ << " " << text); }
+#define OBJDCOUT(text) { DCOUT(this << " " << text); } 
+#endif
+//@}
+//@}
+
+
+
+/**@defgroup C++ wrappers for pthread mechanisms. */
+//@{
+
+/** A class for recursive mutexes based on pthread_mutex. */
+class Mutex {
+
+	private:
+
+	pthread_mutex_t mMutex;
+	pthread_mutexattr_t mAttribs;
+
+	public:
+
+	Mutex();
+
+	~Mutex();
+
+	void lock() { pthread_mutex_lock(&mMutex); }
+
+	void unlock() { pthread_mutex_unlock(&mMutex); }
+
+	friend class Signal;
+
+};
+
+
+
+/** A C++ interthread signal based on pthread condition variables. */
+class Signal {
+
+	private:
+
+	mutable pthread_cond_t mSignal;
+
+	public:
+
+	Signal() { assert(!pthread_cond_init(&mSignal,NULL)); }
+
+	~Signal() { pthread_cond_destroy(&mSignal); }
+
+	/** Block for the signal up to the cancellation timeout. */
+	void wait(Mutex& wMutex, unsigned timeout=1000000000) const;
+
+	void signal() { pthread_cond_signal(&mSignal); }
+
+	void broadcast() { pthread_cond_broadcast(&mSignal); }
+
+};
+
+
+
+#define START_THREAD(thread,function,argument) \
+	thread.start((void *(*)(void*))function, (void*)argument);
+
+/** A C++ wrapper for pthread threads.  */
+class Thread {
+
+	private:
+
+	pthread_t mThread;
+	pthread_attr_t mAttrib;
+	const static size_t mStackSize=4*65536;
+	
+
+	public:
+
+	/** Create a thread in a non-running state. */
+	Thread():mThread((pthread_t)0) { }
+
+	/**
+		Destroy the Thread.
+		It should be stopped and joined.
+	*/
+	~Thread() { assert(!pthread_attr_destroy(&mAttrib)); }
+
+
+	/** Start the thread on a task. */
+	void start(void *(*task)(void*), void *arg);
+
+	/** Join a thread that will stop on its own. */
+	void join() { assert(!pthread_join(mThread,NULL)); }
+
+};
+
+
+
+
+#endif
+// vim: ts=4 sw=4
-- 
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