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sm64pc/lib/src/__osPiCreateAccessQueue.c
2019-09-01 15:50:50 -04:00

26 lines
644 B
C

#include "libultra_internal.h"
#define PIAccessQueueSize 2
OSMesg osPiMesgBuff[PIAccessQueueSize];
OSMesgQueue gOsPiMessageQueue;
u32 gOsPiAccessQueueCreated = 0;
void __osPiCreateAccessQueue() {
gOsPiAccessQueueCreated = 1;
osCreateMesgQueue(&gOsPiMessageQueue, &osPiMesgBuff[0], PIAccessQueueSize - 1);
osSendMesg(&gOsPiMessageQueue, NULL, OS_MESG_NOBLOCK);
}
void __osPiGetAccess() {
OSMesg sp1c;
if (!gOsPiAccessQueueCreated) {
__osPiCreateAccessQueue();
}
osRecvMesg(&gOsPiMessageQueue, &sp1c, OS_MESG_BLOCK);
}
void __osPiRelAccess() {
osSendMesg(&gOsPiMessageQueue, NULL, OS_MESG_NOBLOCK);
}