Files
banjo-kazooie/src/done/sendmesg.c
2022-07-15 17:09:41 -05:00

32 lines
724 B
C

#include <ultra64.h>
#include "osint.h"
s32 osSendMesg(OSMesgQueue *mq, OSMesg msg, s32 flags)
{
register u32 saveMask;
register s32 last;
saveMask = __osDisableInt();
while (MQ_IS_FULL(mq))
{
if (flags == OS_MESG_BLOCK)
{
__osRunningThread->state = OS_STATE_WAITING;
__osEnqueueAndYield(&mq->fullqueue);
}
else
{
__osRestoreInt(saveMask);
return -1;
}
}
last = (mq->first + mq->validCount) % mq->msgCount;
mq->msg[last] = msg;
mq->validCount++;
if (mq->mtqueue->next != NULL)
{
osStartThread(__osPopThread(&mq->mtqueue));
}
__osRestoreInt(saveMask);
return 0;
}