fsfw/osal/host/Mutex.cpp
2020-06-05 21:36:50 +02:00

41 lines
964 B
C++

#include <framework/osal/host/Mutex.h>
#include <framework/serviceinterface/ServiceInterfaceStream.h>
const uint32_t MutexIF::POLLING = 0;
const uint32_t MutexIF::BLOCKING = 0xffffffff;
ReturnValue_t Mutex::lockMutex(uint32_t timeoutMs) {
if(timeoutMs == MutexIF::BLOCKING) {
mutex.lock();
locked = true;
return HasReturnvaluesIF::RETURN_OK;
}
else if(timeoutMs == MutexIF::POLLING) {
if(mutex.try_lock()) {
locked = true;
return HasReturnvaluesIF::RETURN_OK;
}
}
else if(timeoutMs > MutexIF::POLLING){
auto chronoMs = std::chrono::milliseconds(timeoutMs);
if(mutex.try_lock_for(chronoMs)) {
locked = true;
return HasReturnvaluesIF::RETURN_OK;
}
}
return MutexIF::MUTEX_TIMEOUT;
}
ReturnValue_t Mutex::unlockMutex() {
if(not locked) {
return MutexIF::CURR_THREAD_DOES_NOT_OWN_MUTEX;
}
mutex.unlock();
locked = false;
return HasReturnvaluesIF::RETURN_OK;
}
std::timed_mutex* Mutex::getMutexHandle() {
return &mutex;
}