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authorDavid Robillard <d@drobilla.net>2006-10-04 21:45:20 +0000
committerDavid Robillard <d@drobilla.net>2006-10-04 21:45:20 +0000
commit30cb85c307b4c1273791721a782337742ade222c (patch)
tree020932d6f50ebbcd813c58f6f23e85a293587665 /src/common/util/Thread.h
parent32261ba465be203f973a0e126672b8d7188ba327 (diff)
downloadingen-30cb85c307b4c1273791721a782337742ade222c.tar.gz
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Moved generic utility stuff to new library "raul".
git-svn-id: http://svn.drobilla.net/lad/ingen@156 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/common/util/Thread.h')
-rw-r--r--src/common/util/Thread.h100
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diff --git a/src/common/util/Thread.h b/src/common/util/Thread.h
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--- a/src/common/util/Thread.h
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@@ -1,100 +0,0 @@
-/* This file is part of Ingen. Copyright (C) 2006 Dave Robillard.
- *
- * Ingen 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.
- *
- * Ingen 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 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.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef THREAD_H
-#define THREAD_H
-
-#include <string>
-#include <iostream>
-#include <pthread.h>
-
-
-/** Abstract base class for a thread.
- *
- * Extend this and override the _run method to easily create a thread
- * to perform some task.
- *
- * \ingroup engine
- */
-class Thread
-{
-public:
- Thread() : _pthread_exists(false) {}
-
- virtual ~Thread() { stop(); }
-
- void set_name(const std::string& name) { _name = name; }
-
- virtual void start() {
- std::cout << "[" << _name << " Thread] Starting." << std::endl;
-
- pthread_attr_t attr;
- pthread_attr_init(&attr);
- pthread_attr_setstacksize(&attr, 1500000);
-
- pthread_create(&_pthread, &attr, _static_run, this);
- _pthread_exists = true;
- }
-
- virtual void stop() {
- if (_pthread_exists) {
- pthread_cancel(_pthread);
- pthread_join(_pthread, NULL);
- _pthread_exists = false;
- }
- }
-
- void set_scheduling(int policy, unsigned int priority) {
- sched_param sp;
- sp.sched_priority = priority;
- int result = pthread_setschedparam(_pthread, SCHED_FIFO, &sp);
- if (!result) {
- std::cout << "[" << _name << "] Set scheduling policy to ";
- switch (policy) {
- case SCHED_FIFO: std::cout << "SCHED_FIFO"; break;
- case SCHED_RR: std::cout << "SCHED_RR"; break;
- case SCHED_OTHER: std::cout << "SCHED_OTHER"; break;
- default: std::cout << "UNKNOWN"; break;
- }
- std::cout << ", priority " << sp.sched_priority << std::endl;
- } else {
- std::cout << "[" << _name << "] Unable to set scheduling policy ("
- << strerror(result) << ")" << std::endl;
- }
- }
-
-
-protected:
- virtual void _run() = 0;
-
-private:
- // Prevent copies (undefined)
- Thread(const Thread&);
- Thread& operator=(const Thread&);
-
- inline static void* _static_run(void* me) {
- Thread* myself = (Thread*)me;
- myself->_run();
- return NULL; // and I
- }
-
- std::string _name;
- bool _pthread_exists;
- pthread_t _pthread;
-};
-
-
-#endif // THREAD_H