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.
27 #include "pbd/pthread_utils.h"
28 #ifdef WINE_THREAD_SUPPORT
34 typedef std::set<pthread_t> ThreadMap;
35 static ThreadMap all_threads;
36 static pthread_mutex_t thread_map_lock = PTHREAD_MUTEX_INITIALIZER;
37 static Glib::StaticPrivate<char> thread_name;
40 PBD::Signal4<void,std::string, pthread_t,std::string,uint32_t> ThreadCreatedWithRequestSize;
45 static int thread_creator (pthread_t* thread_id, const pthread_attr_t* attr, void *(*function)(void*), void* arg)
47 #ifdef WINE_THREAD_SUPPORT
48 return wine_pthread_create (thread_id, attr, function, arg);
50 return pthread_create (thread_id, attr, function, arg);
55 PBD::notify_gui_about_thread_creation (std::string target_gui, pthread_t thread, std::string str, int request_count)
57 ThreadCreatedWithRequestSize (target_gui, thread, str, request_count);
60 struct ThreadStartWithName {
61 void* (*thread_work)(void*);
65 ThreadStartWithName (void* (*f)(void*), void* a, const std::string& s)
66 : thread_work (f), arg (a), name (s) {}
70 fake_thread_start (void* arg)
72 ThreadStartWithName* ts = (ThreadStartWithName*) arg;
73 void* (*thread_work)(void*) = ts->thread_work;
74 void* thread_arg = ts->arg;
76 pthread_set_name (ts->name.c_str());
79 /* name will be deleted by the default handler for GStaticPrivate, when the thread exits */
81 return thread_work (thread_arg);
85 pthread_create_and_store (string name, pthread_t *thread, void * (*start_routine)(void *), void * arg)
87 pthread_attr_t default_attr;
90 // set default stack size to sensible default for memlocking
91 pthread_attr_init(&default_attr);
92 pthread_attr_setstacksize(&default_attr, 500000);
94 ThreadStartWithName* ts = new ThreadStartWithName (start_routine, arg, name);
96 if ((ret = thread_creator (thread, &default_attr, fake_thread_start, ts)) == 0) {
97 pthread_mutex_lock (&thread_map_lock);
98 all_threads.insert (*thread);
99 pthread_mutex_unlock (&thread_map_lock);
102 pthread_attr_destroy(&default_attr);
108 pthread_set_name (const char *str)
110 /* copy string and delete it when exiting */
112 thread_name.set (strdup (str), free);
118 const char* str = thread_name.get ();
127 pthread_kill_all (int signum)
129 pthread_mutex_lock (&thread_map_lock);
130 for (ThreadMap::iterator i = all_threads.begin(); i != all_threads.end(); ++i) {
131 if ((*i) != pthread_self()) {
132 pthread_kill ((*i), signum);
136 pthread_mutex_unlock (&thread_map_lock);
140 pthread_cancel_all ()
142 pthread_mutex_lock (&thread_map_lock);
143 for (ThreadMap::iterator i = all_threads.begin(); i != all_threads.end(); ++i) {
144 if ((*i) != pthread_self()) {
145 pthread_cancel ((*i));
149 pthread_mutex_unlock (&thread_map_lock);
153 pthread_cancel_one (pthread_t thread)
155 pthread_mutex_lock (&thread_map_lock);
156 for (ThreadMap::iterator i = all_threads.begin(); i != all_threads.end(); ++i) {
157 if ((*i) == thread) {
158 all_threads.erase (i);
163 pthread_cancel (thread);
164 pthread_mutex_unlock (&thread_map_lock);
168 pthread_exit_pbd (void* status)
170 pthread_t thread = pthread_self();
172 pthread_mutex_lock (&thread_map_lock);
173 for (ThreadMap::iterator i = all_threads.begin(); i != all_threads.end(); ++i) {
174 if ((*i) == thread) {
175 all_threads.erase (i);
179 pthread_mutex_unlock (&thread_map_lock);
180 pthread_exit (status);