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switch semaphore to arraylist because queue buggy

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This commit is contained in:
Christoph Urlacher
2022-07-16 03:30:41 +02:00
parent 2b92b180f4
commit bf3d807464
2 changed files with 9 additions and 6 deletions
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6
c_os/lib/Semaphore.cc
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@ -11,7 +11,7 @@ void Semaphore::p() {
this->lock.release();
} else {
// Block and manage thread in semaphore queue until it's woken up by v() again
this->waitQueue.enqueue(scheduler.get_active());
this->waitQueue.insert(scheduler.get_active());
this->lock.release();
scheduler.block(); // Moves to next thread
}
@ -20,9 +20,9 @@ void Semaphore::p() {
void Semaphore::v() {
this->lock.acquire();
if (!this->waitQueue.isEmpty()) {
if (!this->waitQueue.empty()) {
// Semaphore stays busy and unblocks next thread to work in critical section
Thread* next = (Thread*)this->waitQueue.dequeue();
Thread* next = (Thread*)this->waitQueue.remove_first();
this->lock.release();
scheduler.deblock(next);
} else {