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authorMicah Anderson <micah@riseup.net>2014-08-11 16:30:52 -0400
committerMicah Anderson <micah@riseup.net>2014-08-11 16:30:52 -0400
commit686958a9db9b140c9665af8fd001e7032a37a46e (patch)
treec0f1a7b4f7d1ffc12ce54271da73edefee18e5b6 /src/thread.hpp
initial debian package import
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+/*
+ Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 0MQ 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 Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __ZMQ_THREAD_HPP_INCLUDED__
+#define __ZMQ_THREAD_HPP_INCLUDED__
+
+#include "platform.hpp"
+
+#ifdef ZMQ_HAVE_WINDOWS
+#include "windows.hpp"
+#else
+#include <pthread.h>
+#endif
+
+namespace zmq
+{
+
+ typedef void (thread_fn) (void*);
+
+ // Class encapsulating OS thread. Thread initiation/termination is done
+ // using special functions rather than in constructor/destructor so that
+ // thread isn't created during object construction by accident, causing
+ // newly created thread to access half-initialised object. Same applies
+ // to the destruction process: Thread should be terminated before object
+ // destruction begins, otherwise it can access half-destructed object.
+
+ class thread_t
+ {
+ public:
+
+ inline thread_t ()
+ {
+ }
+
+ // Creates OS thread. 'tfn' is main thread function. It'll be passed
+ // 'arg' as an argument.
+ void start (thread_fn *tfn_, void *arg_);
+
+ // Waits for thread termination.
+ void stop ();
+
+ // These are internal members. They should be private, however then
+ // they would not be accessible from the main C routine of the thread.
+ thread_fn *tfn;
+ void *arg;
+
+ private:
+
+#ifdef ZMQ_HAVE_WINDOWS
+ HANDLE descriptor;
+#else
+ pthread_t descriptor;
+#endif
+
+ thread_t (const thread_t&);
+ const thread_t &operator = (const thread_t&);
+ };
+
+}
+
+#endif