long interrupted(unsigned long tickIncrement)
{ /*WxWin and Macintosh version*/
#if (0)
WHERE("interrupted");
#endif /*0*/
if (INTERRUPT == INTNOTSET &&
tickIncrement > 0 && timetocheck(tickIncrement))
{
myYield();
}
return (INTERRUPT);
} /*interrupted()*/
DWORD WINAPI WaitForMultipleObjects(DWORD count, const HANDLE *handles, Bool wait_all, DWORD timeout)
{
unsigned int wait_count = 1;
unsigned int wait_delta = 0;
switch (timeout)
{
case 0 :
wait_delta = 1;
break; // trick - one "while"
case INFINITE :
wait_delta = 0;
break; // trick - infinite "while"
default:
printf("\n\n INTERNAL ERROR - WaitForMultipleObjects(...) timeout(%u) != 0 or INFINITE\n\n",(unsigned)timeout);
abort();
}
myEnter();
if (wait_all) {
while(wait_count) {
bool found_all = true;
for(DWORD i=0; i<count; i++) {
NWindows::NSynchronization::CBaseHandle* hitem = (NWindows::NSynchronization::CBaseHandle*)handles[i];
switch (hitem->type)
{
case NWindows::NSynchronization::CBaseHandle::EVENT :
if (hitem->u.event._state == false) {
found_all = false;
}
break;
case NWindows::NSynchronization::CBaseHandle::SEMAPHORE :
if (hitem->u.sema.count == 0) {
found_all = false;
}
break;
default:
printf("\n\n INTERNAL ERROR - WaitForMultipleObjects(...,true) with unknown type (%d)\n\n",hitem->type);
abort();
}
}
if (found_all) {
for(DWORD i=0; i<count; i++) {
NWindows::NSynchronization::CBaseHandle* hitem = (NWindows::NSynchronization::CBaseHandle*)handles[i];
switch (hitem->type)
{
case NWindows::NSynchronization::CBaseHandle::EVENT :
if (hitem->u.event._manual_reset == false) {
hitem->u.event._state = false;
}
break;
case NWindows::NSynchronization::CBaseHandle::SEMAPHORE :
hitem->u.sema.count--;
break;
default:
printf("\n\n INTERNAL ERROR - WaitForMultipleObjects(...,true) with unknown type (%d)\n\n",hitem->type);
abort();
}
}
myLeave();
return WAIT_OBJECT_0;
} else {
wait_count -= wait_delta;
if (wait_count) myYield();
}
}
} else {
while(wait_count) {
for(DWORD i=0; i<count; i++) {
NWindows::NSynchronization::CBaseHandle* hitem = (NWindows::NSynchronization::CBaseHandle*)handles[i];
switch (hitem->type)
{
case NWindows::NSynchronization::CBaseHandle::EVENT :
if (hitem->u.event._state == true) {
if (hitem->u.event._manual_reset == false) {
hitem->u.event._state = false;
}
myLeave();
return WAIT_OBJECT_0+i;
}
break;
case NWindows::NSynchronization::CBaseHandle::SEMAPHORE :
if (hitem->u.sema.count > 0) {
hitem->u.sema.count--;
myLeave();
return WAIT_OBJECT_0+i;
}
break;
default:
printf("\n\n INTERNAL ERROR - WaitForMultipleObjects(...,true) with unknown type (%d)\n\n",hitem->type);
abort();
}
}
wait_count -= wait_delta;
if (wait_count) myYield();
}
}
myLeave();
return WAIT_TIMEOUT;
}
