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TaskSignal sets the calling task status to WAITING to prevent recursion through TaskYield.

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Douglas Clowes
2012-11-30 10:35:26 +11:00
parent 1fe4e40e8b
commit ca69d44b3d
1 changed files with 3 additions and 0 deletions
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3
task.c
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@ -304,12 +304,14 @@ int TaskYield(pTaskMan self)
int TaskSignal(pTaskMan self, int iSignal, void *pSigData) int TaskSignal(pTaskMan self, int iSignal, void *pSigData)
{ {
pTaskHead pTemp, pEnd; pTaskHead pTemp, pEnd;
int myStatus = self->pCurrent->iStatus;
assert(self); assert(self);
assert(self->iID == TASKERID); assert(self->iID == TASKERID);
/* Do one cycle until we are at the caller, then return to him */ /* Do one cycle until we are at the caller, then return to him */
pEnd = self->pCurrent; pEnd = self->pCurrent;
pEnd->iStatus = WAITING;
IncrTaskPointer(self); IncrTaskPointer(self);
while (self->pCurrent != pEnd) { while (self->pCurrent != pEnd) {
if (self->pCurrent->pSignal) { if (self->pCurrent->pSignal) {
@ -318,6 +320,7 @@ int TaskSignal(pTaskMan self, int iSignal, void *pSigData)
IncrTaskPointer(self); IncrTaskPointer(self);
} }
/* finally, tell me about the thingie as well */ /* finally, tell me about the thingie as well */
pEnd->iStatus = myStatus;
if (pEnd->pSignal) { if (pEnd->pSignal) {
pEnd->pSignal(pEnd->pData, iSignal, pSigData); pEnd->pSignal(pEnd->pData, iSignal, pSigData);
} }