2 Copyright (C) 2002 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 #include <pbd/pthread_utils.h>
30 typedef std::map<string,pthread_t> ThreadMap;
31 static ThreadMap all_threads;
32 static pthread_mutex_t thread_map_lock = PTHREAD_MUTEX_INITIALIZER;
33 static pthread_mutex_t gui_notify_lock = PTHREAD_MUTEX_INITIALIZER;
36 sigc::signal<void,pthread_t> ThreadLeaving;
37 sigc::signal<void,pthread_t,std::string,uint32_t> ThreadCreatedWithRequestSize;
43 PBD::notify_gui_about_thread_creation (pthread_t thread, std::string str, int request_count)
45 pthread_mutex_lock (&gui_notify_lock);
46 ThreadCreatedWithRequestSize (thread, str, request_count);
47 pthread_mutex_unlock (&gui_notify_lock);
51 PBD::notify_gui_about_thread_exit (pthread_t thread)
53 pthread_mutex_lock (&gui_notify_lock);
54 ThreadLeaving (thread);
55 pthread_mutex_unlock (&gui_notify_lock);
59 pthread_create_and_store (string name, pthread_t *thread, pthread_attr_t *attr, void * (*start_routine)(void *), void * arg)
63 pthread_attr_t default_attr;
64 bool use_default_attr = (attr == NULL);
66 if (use_default_attr) {
67 // set default stack size to sensible default for memlocking
68 pthread_attr_init(&default_attr);
69 pthread_attr_setstacksize(&default_attr, 500000);
73 if ((ret = pthread_create (thread, attr, start_routine, arg)) == 0) {
74 std::pair<string,pthread_t> newpair;
76 newpair.second = *thread;
78 pthread_mutex_lock (&thread_map_lock);
79 all_threads.insert (newpair);
81 pthread_mutex_unlock (&thread_map_lock);
84 if (use_default_attr) {
85 pthread_attr_destroy(&default_attr);
94 pthread_t self = pthread_self();
97 pthread_mutex_lock (&thread_map_lock);
98 for (ThreadMap::iterator i = all_threads.begin(); i != all_threads.end(); ++i) {
99 if (i->second == self) {
101 pthread_mutex_unlock (&thread_map_lock);
105 pthread_mutex_unlock (&thread_map_lock);
110 pthread_kill_all (int signum)
112 pthread_mutex_lock (&thread_map_lock);
113 for (ThreadMap::iterator i = all_threads.begin(); i != all_threads.end(); ++i) {
114 if (i->second != pthread_self()) {
115 pthread_kill (i->second, signum);
119 pthread_mutex_unlock (&thread_map_lock);
123 pthread_cancel_all ()
125 pthread_mutex_lock (&thread_map_lock);
126 for (ThreadMap::iterator i = all_threads.begin(); i != all_threads.end(); ++i) {
127 if (i->second != pthread_self()) {
128 pthread_cancel (i->second);
132 pthread_mutex_unlock (&thread_map_lock);
136 pthread_cancel_one (pthread_t thread)
138 pthread_mutex_lock (&thread_map_lock);
139 for (ThreadMap::iterator i = all_threads.begin(); i != all_threads.end(); ++i) {
140 if (i->second == thread) {
141 all_threads.erase (i);
146 pthread_cancel (thread);
147 pthread_mutex_unlock (&thread_map_lock);
151 pthread_exit_pbd (void* status)
153 pthread_t thread = pthread_self();
155 pthread_mutex_lock (&thread_map_lock);
156 for (ThreadMap::iterator i = all_threads.begin(); i != all_threads.end(); ++i) {
157 if (i->second == thread) {
158 all_threads.erase (i);
162 pthread_mutex_unlock (&thread_map_lock);
163 pthread_exit (status);