THREADAPI_RESULT ThreadAPI_Create()

in c_pal_ll/linux/src/threadapi_pthreads.c [35:83]

• 43 lines of code
• 6 McCabe index (conditional complexity)

THREADAPI_RESULT ThreadAPI_Create(THREAD_HANDLE* threadHandle, THREAD_START_FUNC func, void* arg)
{
    THREADAPI_RESULT result;

    if ((threadHandle == NULL) ||
        (func == NULL))
    {
        result = THREADAPI_INVALID_ARG;
        LogError("(result = %" PRI_MU_ENUM ")", MU_ENUM_VALUE(THREADAPI_RESULT, result));
    }
    else
    {
        THREAD_INSTANCE* threadInstance = malloc(sizeof(THREAD_INSTANCE));
        if (threadInstance == NULL)
        {
            result = THREADAPI_NO_MEMORY;
            LogError("(result = %" PRI_MU_ENUM ")", MU_ENUM_VALUE(THREADAPI_RESULT, result));
        }
        else
        {
            threadInstance->ThreadStartFunc = func;
            threadInstance->Arg = arg;
            int createResult = pthread_create(&threadInstance->Pthread_handle, NULL, ThreadWrapper, threadInstance);
            switch (createResult)
            {
            default:
                free(threadInstance);

                result = THREADAPI_ERROR;
                LogError("(result = %" PRI_MU_ENUM ")", MU_ENUM_VALUE(THREADAPI_RESULT, result));
                break;

            case 0:
                *threadHandle = threadInstance;
                result = THREADAPI_OK;
                break;

            case EAGAIN:
                free(threadInstance);

                result = THREADAPI_NO_MEMORY;
                LogError("(result = %" PRI_MU_ENUM ")", MU_ENUM_VALUE(THREADAPI_RESULT, result));
                break;
            }
        }
    }

    return result;
}