/*
- Copyright (C) 2002 Paul Davis
+ Copyright (C) 2002 Paul 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
#include <fst.h>
#endif
+#ifdef COMPILER_MSVC
+DECLARE_DEFAULT_COMPARISONS(pthread_t) // Needed for 'DECLARE_DEFAULT_COMPARISONS'. Objects in an STL container can be
+ // searched and sorted. Thus, when instantiating the container, MSVC complains
+ // if the type of object being contained has no appropriate comparison operators
+ // defined (specifically, if operators '<' and '==' are undefined). This seems
+ // to be the case with ptw32 'pthread_t' which is a simple struct.
+#endif
+
using namespace std;
-typedef std::set<pthread_t> ThreadMap;
+typedef std::list<pthread_t> ThreadMap;
static ThreadMap all_threads;
static pthread_mutex_t thread_map_lock = PTHREAD_MUTEX_INITIALIZER;
static Glib::Threads::Private<char> thread_name (free);
namespace PBD {
- PBD::Signal4<void,std::string, pthread_t,std::string,uint32_t> ThreadCreatedWithRequestSize;
+ PBD::Signal3<void,pthread_t,std::string,uint32_t> ThreadCreatedWithRequestSize;
}
using namespace PBD;
#endif
}
+
void
-PBD::notify_gui_about_thread_creation (std::string target_gui, pthread_t thread, std::string str, int request_count)
+PBD::notify_event_loops_about_thread_creation (pthread_t thread, const std::string& emitting_thread_name, int request_count)
{
- ThreadCreatedWithRequestSize (target_gui, thread, str, request_count);
+ /* notify threads that may exist in the future (they may also exist
+ * already, in which case they will catch the
+ * ThreadCreatedWithRequestSize signal)
+ */
+ EventLoop::pre_register (emitting_thread_name, request_count);
+
+ /* notify all existing threads */
+ ThreadCreatedWithRequestSize (thread, emitting_thread_name, request_count);
}
struct ThreadStartWithName {
void* (*thread_work)(void*);
void* arg;
std::string name;
-
+
ThreadStartWithName (void* (*f)(void*), void* a, const std::string& s)
: thread_work (f), arg (a), name (s) {}
};
void* (*thread_work)(void*) = ts->thread_work;
void* thread_arg = ts->arg;
+ /* name will be deleted by the default handler for GStaticPrivate, when the thread exits */
+
pthread_set_name (ts->name.c_str());
+ /* we don't need this object anymore */
+
delete ts;
- /* name will be deleted by the default handler for GStaticPrivate, when the thread exits */
- return thread_work (thread_arg);
+ /* actually run the thread's work function */
+
+ void* ret = thread_work (thread_arg);
+
+ /* cleanup */
+
+ pthread_mutex_lock (&thread_map_lock);
+
+ for (ThreadMap::iterator i = all_threads.begin(); i != all_threads.end(); ++i) {
+ if (pthread_equal ((*i), pthread_self())) {
+ all_threads.erase (i);
+ break;
+ }
+ }
+
+ pthread_mutex_unlock (&thread_map_lock);
+
+ /* done */
+
+ return ret;
}
-int
+int
pthread_create_and_store (string name, pthread_t *thread, void * (*start_routine)(void *), void * arg)
{
pthread_attr_t default_attr;
if ((ret = thread_creator (thread, &default_attr, fake_thread_start, ts)) == 0) {
pthread_mutex_lock (&thread_map_lock);
- all_threads.insert (*thread);
+ all_threads.push_back (*thread);
pthread_mutex_unlock (&thread_map_lock);
}
pthread_set_name (const char *str)
{
/* copy string and delete it when exiting */
-
+
thread_name.set (strdup (str));
}
if (str) {
return str;
- }
+ }
return "unknown";
}
void
-pthread_kill_all (int signum)
-{
+pthread_kill_all (int signum)
+{
pthread_mutex_lock (&thread_map_lock);
for (ThreadMap::iterator i = all_threads.begin(); i != all_threads.end(); ++i) {
- if ((*i) != pthread_self()) {
+ if (!pthread_equal ((*i), pthread_self())) {
pthread_kill ((*i), signum);
}
}
}
void
-pthread_cancel_all ()
-{
+pthread_cancel_all ()
+{
pthread_mutex_lock (&thread_map_lock);
- for (ThreadMap::iterator i = all_threads.begin(); i != all_threads.end(); ++i) {
- if ((*i) != pthread_self()) {
+
+ for (ThreadMap::iterator i = all_threads.begin(); i != all_threads.end(); ) {
+
+ ThreadMap::iterator nxt = i;
+ ++nxt;
+
+ if (!pthread_equal ((*i), pthread_self())) {
pthread_cancel ((*i));
}
+
+ i = nxt;
}
all_threads.clear();
pthread_mutex_unlock (&thread_map_lock);
}
void
-pthread_cancel_one (pthread_t thread)
-{
+pthread_cancel_one (pthread_t thread)
+{
pthread_mutex_lock (&thread_map_lock);
for (ThreadMap::iterator i = all_threads.begin(); i != all_threads.end(); ++i) {
- if ((*i) == thread) {
+ if (pthread_equal ((*i), thread)) {
all_threads.erase (i);
break;
}
pthread_cancel (thread);
pthread_mutex_unlock (&thread_map_lock);
}
-
-void
-pthread_exit_pbd (void* status)
-{
- pthread_t thread = pthread_self();
-
- pthread_mutex_lock (&thread_map_lock);
- for (ThreadMap::iterator i = all_threads.begin(); i != all_threads.end(); ++i) {
- if ((*i) == thread) {
- all_threads.erase (i);
- break;
- }
- }
- pthread_mutex_unlock (&thread_map_lock);
- pthread_exit (status);
-}