thread test

#include <stdio.h>
#include <threads.h>


int count;
mtx_t gMutex;
int fnC1(void *data){
    int i;
    for(i=0;i<5;i++){
        mtx_lock(&gMutex);

                count=i;
            printf("thread %d : = %d\n", (int)data, count);
        mtx_unlock(&gMutex);

    }   return 0;
}

int fnC2(void *data){
    int i;
    for(i=0;i<5;i++){
        mtx_lock(&gMutex);
                count++;
            printf("thread %d : = %d\n", (int)data, count);
        mtx_unlock(&gMutex);

    }   return 0;
}

int main(void){
  //  mtx_init(&gMutex, mtx_plain);
        int one=1, two=2;
    thrd_t thr1, thr2;
    /* Create two threads */
    if( thrd_create( &thr1, fnC1, (void *)one) != thrd_success)
        printf("Thread creation failed: \n");
    if( thrd_create( &thr2, fnC2, (void *)two) != thrd_success)
        printf("Thread creation failed: \n");
    /* Wait for both threads to finish */
    thrd_join( thr1, NULL);
    thrd_join( thr2, NULL);
    printf ("\n");
  //  mtx_destroy(&gMutex);
    return 0;
}