improved test programs of packages libgomp and pthreads

src/libgomp-test.c

@@ -9,9 +9,11 @@ int main(int argc, char *argv[])
     (void)argc;
     (void)argv;
 
+    omp_set_num_threads(4);
+
     #pragma omp parallel
-    printf("Hello from thread %d, nthreads %d\n",
-           omp_get_thread_num(), omp_get_num_threads());
+    fprintf(stderr, "Hello from thread %d, nthreads %d\n",
+            omp_get_thread_num(), omp_get_num_threads());
 
     return 0;
 }

src/pthreads-test.c

@@ -4,12 +4,12 @@
 #include <stdio.h>
 #include <pthread.h>
 
-#define N 10
+#define N 4
 
 void *thread_fn(void *p)
 {
     const int *arg = p;
-    fprintf(stderr, "Hello from thread %d\n", *arg);
+    fprintf(stderr, "Hello from thread %d, nthreads %d\n", *arg, N);
     return NULL;
 }