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Some MorphOS port fixes

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svn-id: r9136
This commit is contained in:
Ruediger Hanke 2003-07-22 22:30:16 +00:00
parent 2becb78d86
commit 5c9ebd053e
1 changed files with 12 additions and 4 deletions
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16
backends/midi/morphos.cpp
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@ -100,6 +100,11 @@ int MidiDriver_MPU401::midi_driver_thread(void *param)
MsgPort *music_timer_port = NULL;
timerequest *music_timer_request = NULL;
// Grab the MidiDriver's mutex. When the MidiDriver
// shuts down, it will wait on that mutex until we've
// detected the shutdown and quit looping.
g_system->lock_mutex(mid->_mutex);
ObtainSemaphore(&ScummMusicThreadRunning);
if (!OSystem_MorphOS::OpenATimer(&music_timer_port, (IORequest **) &music_timer_request, UNIT_MICROHZ, false)) {
@ -109,26 +114,29 @@ int MidiDriver_MPU401::midi_driver_thread(void *param)
else {
old_time = g_system->get_msecs();
for (;;) {
while (mid->_started_thread) {
music_timer_request->tr_node.io_Command = TR_ADDREQUEST;
music_timer_request->tr_time.tv_secs = 0;
music_timer_request->tr_time.tv_micro = 10000;
DoIO((struct IORequest *)music_timer_request);
if (CheckSignal(SIGBREAKF_CTRL_C))
if (!mid->_started_thread || CheckSignal(SIGBREAKF_CTRL_C))
break;
cur_time = g_system->get_msecs();
while (old_time < cur_time) {
old_time += 10;
if (mid->_timer_proc)
(*(mid->_timer_proc)) (mid->_timer_param);
(*(mid->_timer_proc))(mid->_timer_param);
}
}
CloseDevice((IORequest *) music_timer_request);
DeleteIORequest((IORequest *) music_timer_request);
DeleteMsgPort(music_timer_port);
}
ReleaseSemaphore(&ScummMusicThreadRunning);
RemTask(NULL);
g_system->unlock_mutex(mid->_mutex);
return 0;
}