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implemented new mutex interface

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This commit is contained in:
Robin Müller
2020-08-07 20:36:37 +02:00
parent 1a118fe215
commit bfecbfbd80
9 changed files with 47 additions and 35 deletions
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15
osal/FreeRTOS/Mutex.cpp
View File

@ -2,9 +2,6 @@
#include <framework/serviceinterface/ServiceInterfaceStream.h>
const uint32_t MutexIF::POLLING = 0;
const uint32_t MutexIF::BLOCKING = portMAX_DELAY;
Mutex::Mutex() {
handle = xSemaphoreCreateMutex();
if(handle == nullptr) {
@ -19,15 +16,17 @@ Mutex::~Mutex() {
}
ReturnValue_t Mutex::lockMutex(uint32_t timeoutMs) {
ReturnValue_t Mutex::lockMutex(TimeoutType timeoutType,
uint32_t timeoutMs) {
if (handle == nullptr) {
return MutexIF::MUTEX_NOT_FOUND;
}
TickType_t timeout = MutexIF::POLLING;
if(timeoutMs == MutexIF::BLOCKING) {
timeout = MutexIF::BLOCKING;
// If the timeout type is BLOCKING, this will be the correct value.
uint32_t timeout = portMAX_DELAY;
if(timeoutType == TimeoutType::POLLING) {
timeout = 0;
}
else if(timeoutMs > MutexIF::POLLING){
else if(timeoutType == TimeoutType::WAITING){
timeout = pdMS_TO_TICKS(timeoutMs);
}

3
osal/FreeRTOS/Mutex.h
View File

@ -18,7 +18,8 @@ class Mutex : public MutexIF {
public:
Mutex();
~Mutex();
ReturnValue_t lockMutex(uint32_t timeoutMs = MutexIF::BLOCKING) override;
ReturnValue_t lockMutex(TimeoutType timeoutType,
uint32_t timeoutMs) override;
ReturnValue_t unlockMutex() override;
private:

12
osal/linux/Mutex.cpp
View File

@ -40,9 +40,13 @@ Mutex::~Mutex() {
pthread_mutex_destroy(&mutex);
}
ReturnValue_t Mutex::lockMutex(uint32_t timeoutMs) {
ReturnValue_t Mutex::lockMutex(TimeoutType timeoutType, uint32_t timeoutMs) {
int status = 0;
if (timeoutMs != MutexIF::BLOCKING) {
if(timeoutType == TimeoutType::POLLING) {
status = pthread_mutex_trylock(&mutex);
}
else if (timeoutType == TimeoutType::WAITING) {
timespec timeOut;
clock_gettime(CLOCK_REALTIME, &timeOut);
uint64_t nseconds = timeOut.tv_sec * 1000000000 + timeOut.tv_nsec;
@ -50,9 +54,11 @@ ReturnValue_t Mutex::lockMutex(uint32_t timeoutMs) {
timeOut.tv_sec = nseconds / 1000000000;
timeOut.tv_nsec = nseconds - timeOut.tv_sec * 1000000000;
status = pthread_mutex_timedlock(&mutex, &timeOut);
} else {
}
else if(timeoutType == TimeoutType::BLOCKING) {
status = pthread_mutex_lock(&mutex);
}
switch (status) {
case EINVAL:
//The mutex was created with the protocol attribute having the value PTHREAD_PRIO_PROTECT and the calling thread's priority is higher than the mutex's current priority ceiling.

2
osal/linux/Mutex.h
View File

@ -12,7 +12,7 @@ class Mutex : public MutexIF {
public:
Mutex();
virtual ~Mutex();
virtual ReturnValue_t lockMutex(uint32_t timeoutMs);
virtual ReturnValue_t lockMutex(TimeoutType timeoutType, uint32_t timeoutMs);
virtual ReturnValue_t unlockMutex();
private:
pthread_mutex_t mutex;