| #include <pthread.h> | 
 | #include <signal.h> | 
 | #include <stdio.h> | 
 | #include <stdlib.h> | 
 | #include <string.h> | 
 | #include <unistd.h> | 
 |  | 
 |  | 
 | static pthread_barrier_t b; | 
 |  | 
 |  | 
 | static void * | 
 | tf2 (void *arg) | 
 | { | 
 |   while (1) | 
 |     sleep (100); | 
 |  | 
 |   /* NOTREACHED */ | 
 |   return NULL; | 
 | } | 
 |  | 
 |  | 
 | static void * | 
 | tf (void *arg) | 
 | { | 
 |   pthread_t th; | 
 |  | 
 |   int e = pthread_barrier_wait (&b); | 
 |   if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | 
 |     { | 
 |       puts ("barrier_wait failed"); | 
 |       exit (1); | 
 |     } | 
 |  | 
 |   e = pthread_create (&th, NULL, tf2, NULL); | 
 |   if (e != 0) | 
 |     { | 
 |       printf ("create failed: %s\n", strerror (e)); | 
 |       exit (1); | 
 |     } | 
 |  | 
 |   /* Terminate only this thread.  */ | 
 |   return NULL; | 
 | } | 
 |  | 
 |  | 
 | static int | 
 | do_test (void) | 
 | { | 
 |   pthread_t th; | 
 |  | 
 |   if (pthread_barrier_init (&b, NULL, 2) != 0) | 
 |     { | 
 |       puts ("barrier_init failed"); | 
 |       exit (1); | 
 |     } | 
 |  | 
 |   int e = pthread_create (&th, NULL, tf, NULL); | 
 |   if (e != 0) | 
 |     { | 
 |       printf ("create failed: %s\n", strerror (e)); | 
 |       exit (1); | 
 |     } | 
 |  | 
 |   e = pthread_barrier_wait (&b); | 
 |   if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | 
 |     { | 
 |       puts ("barrier_wait failed"); | 
 |       exit (1); | 
 |     } | 
 |  | 
 |   /* Terminate only this thread.  */ | 
 |   pthread_exit (NULL); | 
 |  | 
 |   /* NOTREACHED */ | 
 |   return 1; | 
 | } | 
 |  | 
 | #define EXPECTED_SIGNAL SIGALRM | 
 | #define TEST_FUNCTION do_test () | 
 | #include "../test-skeleton.c" |