#include "Internal.h"
#include "Codemap.h"
#include <stdlib.h>

CgeMutex *CgeMutexNew(int *result) {
    CgeMutex *mutex;
    int code = CGE_THREAD_EOOM;

    mutex = malloc(sizeof(*mutex));
    if (mutex && (code = errorToErrorCode(pthread_mutex_init(&mutex->handle, NULL)))) {
        free(mutex);
        mutex = NULL;
    }

    if (result)
        *result = code;

    return mutex;
}

void CgeMutexFree(CgeMutex *mutex) {
    if (!mutex)
        return;

    pthread_mutex_destroy(&mutex->handle);
    free(mutex);
}

int CgeMutexLock(CgeMutex *mutex, int *result) {
    int code;

    code = errorToErrorCode(pthread_mutex_lock(&mutex->handle));
    if (result)
        *result = code;

    return code == CGE_THREAD_EOK;
}

int CgeMutexUnlock(CgeMutex *mutex, int *result) {
    int code;

    code = errorToErrorCode(pthread_mutex_unlock(&mutex->handle));
    if (result)
        *result = code;

    return code == CGE_THREAD_EOK;
}

int CgeMutexTryLock(CgeMutex *mutex, int *result) {
    int code;

    code = errorToErrorCode(pthread_mutex_trylock(&mutex->handle));
    if (result)
        *result = code;

    return code == CGE_THREAD_EOK;
}