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some linuxVST GUI details: initialize lock, add a note.

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This commit is contained in:
Robin Gareus 2016-04-27 23:33:28 +02:00
parent b3e12d6566
commit c8a46a6502
1 changed files with 8 additions and 2 deletions
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10
gtk2_ardour/linux_vst_gui_support.cc
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@ -56,7 +56,7 @@ static VSTState * vstfx_first = NULL;
const char magic[] = "VSTFX Plugin State v002";
static int gui_quit = 0;
static volatile int gui_quit = 0;
/*This will be our connection to X*/
@ -471,7 +471,7 @@ again:
clock1 = g_get_monotonic_time();
}
if (may_sleep && elapsed_time_ms + 1 < LXVST_sched_timer_interval) {
if (!gui_quit && may_sleep && elapsed_time_ms + 1 < LXVST_sched_timer_interval) {
Glib::usleep(1000 * (LXVST_sched_timer_interval - elapsed_time_ms - 1));
}
}
@ -487,6 +487,8 @@ normally started in globals.cc*/
int vstfx_init (void* ptr)
{
assert (gui_quit == 0);
pthread_mutex_init (&plugin_mutex, NULL);
int thread_create_result;
@ -553,7 +555,11 @@ void vstfx_exit()
/*We need to pthread_join the gui_thread here so
we know when it has stopped*/
// BEWARE: some Plugin GUIs can crash if the thread local storage is free()d
// after the shared library containing the destructor is already dl-closed.
// (e.g u-he LXVST GUI, crash in __nptl_deallocate_tsd) :(
pthread_join(LXVST_gui_event_thread, NULL);
pthread_mutex_destroy (&plugin_mutex);
}
/*Adds a new plugin (VSTFX) instance to the linked list*/