/** \brief Initialize the mutex taking the mutex attributes
* into account
*/
os_result os_mutexInit (os_mutex *mutex, const os_mutexAttr *mutexAttr)
{
Error err;
os_mutexAttr defAttr;
assert (mutex != NULL);
#if !defined NDEBUG && !defined INTEGRITY
assert(mutex->signature != OS_MUTEX_MAGIC_SIG);
#endif
if(!mutexAttr) {
os_mutexAttrInit(&defAttr);
mutexAttr = &defAttr;
}
if ( mutexAttr->scopeAttr == OS_SCOPE_SHARED)
{
Semaphore newsem;
mutex->localsem = NULL;
#ifndef NDEBUG
checkMutexCache(mutex);
#endif
err = rsNewSemaphore(&newsem, &mutex->index, &mutex->uid);
if ( err == Success )
{
os_mutexAddToMap(mutex, newsem);
}
}
else
{
err = CreateBinarySemaphore(&mutex->localsem);
}
#ifndef NDEBUG
if ( err == Success )
{
mutex->signature = OS_MUTEX_MAGIC_SIG;
}
#endif
return ( err == Success ? os_resultSuccess : os_resultFail );
}
// this is a disassembled version of eventproc_release()
int shutter_release_disasm() {
extern char * aRelSem;
if (hRelSem == 0) {
hRelSem = CreateBinarySemaphore(aRelSem, 0);
}
SendToIntercom(IC_RELEASE, 0, 0);
SendToIntercom(0x6D, 1, 1); // set burst counter
TakeSemaphore(hRelSem, 30000);
DeleteSemaphore(hRelSem);
hRelSem = 0;
SleepTask(EVENT_WAIT); // we added this
return 0;
}
