pip/src_concurrent/piconditionlock.cpp

//
// Created by fomenko on 25.09.2019.
//

#include "piconditionlock.h"
#ifdef WINDOWS
#include "synchapi.h"
#else
#include "pthread.h"
#endif

PRIVATE_DEFINITION_START(PIConditionLock)
#ifdef WINDOWS
    CRITICAL_SECTION
#else
    pthread_mutex_t
#endif
    nativeHandle;
PRIVATE_DEFINITION_END(PIConditionLock)

#ifdef WINDOWS
PIConditionLock::PIConditionLock() {
    InitializeCriticalSection(&PRIVATE->nativeHandle);
}

PIConditionLock::~PIConditionLock() {
    DeleteCriticalSection(&PRIVATE->nativeHandle);
}

void PIConditionLock::lock() {
    EnterCriticalSection(&PRIVATE->nativeHandle);
}

void PIConditionLock::unlock() {
    LeaveCriticalSection(&PRIVATE->nativeHandle);
}

void *PIConditionLock::handle() {
    return &PRIVATE->nativeHandle;
}

bool PIConditionLock::tryLock() {
    return TryEnterCriticalSection(&PRIVATE->nativeHandle) != 0;
}

#else

PIConditionLock::PIConditionLock() {
    pthread_mutexattr_t attr;
    memset(&attr, 0, sizeof(attr));
    pthread_mutexattr_init(&attr);
    pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
    memset(&(PRIVATE->nativeHandle), 0, sizeof(PRIVATE->nativeHandle));
    pthread_mutex_init(&(PRIVATE->nativeHandle), &attr);
    pthread_mutexattr_destroy(&attr);
}

PIConditionLock::~PIConditionLock() {
    pthread_mutex_destroy(&(PRIVATE->nativeHandle));
}

void PIConditionLock::lock() {
    pthread_mutex_lock(&(PRIVATE->nativeHandle));
}

void PIConditionLock::unlock() {
    pthread_mutex_unlock(&(PRIVATE->nativeHandle));
}

void *PIConditionLock::handle() {
    return &PRIVATE->nativeHandle;
}

bool PIConditionLock::tryLock() {
    return (pthread_mutex_trylock(&(PRIVATE->nativeHandle)) == 0);;
}
#endif