libitm/testsuite/libitm.c/simple-2.c

   1 /* Simplest test involving real threads.  Verify we get the correct answer.  */
   2
   3 /* { dg-options "-pthread" } */
   4
   5 #include <stdlib.h>
   6 #include <pthread.h>
   7
   8 static int x;
   9
  10 static void *start (void *dummy __attribute__((unused)))
  11 {
  12   __transaction_atomic { x++; }
  13   return NULL;
  14 }
  15
  16 int main()
  17 {
  18   pthread_t p[10];
  19   int i;
  20
  21   for (i = 0; i < 10; ++i)
  22     pthread_create (p+i, NULL, start, NULL);
  23
  24   for (i = 0; i < 10; ++i)
  25     pthread_join  (p[i], NULL);
  26
  27   if (x != 10)
  28     abort ();
  29
  30   return 0;
  31 }