summaryrefslogtreecommitdiff
path: root/libs/pbd3/pbd/thread.h
diff options
context:
space:
mode:
Diffstat (limited to 'libs/pbd3/pbd/thread.h')
-rw-r--r--libs/pbd3/pbd/thread.h127
1 files changed, 0 insertions, 127 deletions
diff --git a/libs/pbd3/pbd/thread.h b/libs/pbd3/pbd/thread.h
deleted file mode 100644
index c1d5c3c78d..0000000000
--- a/libs/pbd3/pbd/thread.h
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
- Copyright (C) 1998-99 Paul Barton-Davis
-
- 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., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- $Id$
-*/
-
-#ifndef __qm_thread_h__
-#define __qm_thread_h__
-
-#include <pthread.h>
-
-/* A generic base class for Quasimodo objects requiring their own
- thread to do work.
-*/
-
-class QMThread
-
-{
- public:
- QMThread (const char *name,
- void *(start)(void *), void *,
- bool realtime = false, int rt_priority = 10);
-
- virtual ~QMThread();
-
- int run ();
- void poke ();
- void pause ();
- void stop ();
- void *wait ();
-
- /* This doesn't guarantee anything about the state of
- the thread, but if you do things the right way, and
- make sure that the do_work() routine checks
- work_no_more() at the right times, and that the
- thread is awake, then calling this will cause
- the thread to exit fairly quickly.
- */
-
- void halt() { _must_exit = true ; }
-
- void exit (void *status);
- pthread_t thread_id() { return _thread; }
-
- bool thread_ok () { return _have_thread; }
- bool thread_active() { return _thread_active; }
-
- bool thread_running () {
- /* XXX not atomic */
- return _running && _thread_active;
- }
-
- bool thread_waiting () { return _thread_waiting; }
-
- static void try_to_kill_all_threads() {
- all_threads_must_die = true;
- }
-
- protected:
- void *main ();
-
- bool work_no_more () { return (!_running || _must_exit || all_threads_must_die); }
-
- bool myself () {
- return pthread_equal (_thread, pthread_self());
- }
-
- void suspend() {
- _running = false;
- }
-
- void lock (pthread_mutex_t *lock) {
- pthread_mutex_lock (lock);
- }
-
- void unlock (pthread_mutex_t *lock) {
- pthread_mutex_unlock (lock);
- }
-
- virtual void *do_work () = 0;
-
- private:
- const char *_name;
- bool _must_exit;
- bool _running;
- bool _thread_active;
- bool _thread_waiting;
- bool _have_thread;
-
- size_t work_cnt;
-
- pthread_mutex_t status_lock;
- pthread_cond_t wake_up; /* protected by status_lock */
- pthread_cond_t asleep; /* protected by status_lock */
- pthread_cond_t running; /* protected by status_lock */
- pthread_cond_t exited; /* protected by status_lock */
- pthread_t _thread;
-
- void lock () {
- pthread_mutex_lock (&status_lock);
- }
-
- void unlock () {
- pthread_mutex_unlock (&status_lock);
- }
-
- static bool all_threads_must_die;
-
- static void signal_catcher (int sig);
- void setup_signals ();
-};
-
-#endif // __qm_thread_h__