25 lines
659 B
C
25 lines
659 B
C
#include "global.h"
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s32 osJamMesg(OSMesgQueue* mq, OSMesg msg, s32 flag) {
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register u32 prevInt = __osDisableInt();
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while (mq->validCount >= mq->msgCount) {
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if (flag == OS_MESG_BLOCK) {
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__osRunningThread->state = OS_STATE_WAITING;
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__osEnqueueAndYield(&mq->fullqueue);
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} else {
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__osRestoreInt(prevInt);
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return -1;
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}
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}
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mq->first = (mq->first + mq->msgCount - 1) % mq->msgCount;
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mq->msg[mq->first] = msg;
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mq->validCount++;
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if (mq->mtqueue->next != NULL) {
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osStartThread(__osPopThread(&mq->mtqueue));
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}
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__osRestoreInt(prevInt);
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return 0;
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}
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