/* Check that TRT happens when we reach the #threads implementation limit. #progos: linux */ #include #include #include #include #include #include #include #include #include int process (void *arg) { int i; for (i = 0; i < 500; i++) if (sched_yield ()) abort (); return 0; } int main (void) { int pid; int i; int stacksize = 16384; for (i = 0; i < 1000; i++) { char *stack = malloc (stacksize); if (stack == NULL) abort (); pid = clone (process, (char *) stack + stacksize - 64, (CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND) | SIGCHLD, "ab"); if (pid <= 0) { /* FIXME: Read sysconf instead of magic number. */ if (i < 60) { fprintf (stderr, "Bad clone %d\n", pid); abort (); } if (errno == EAGAIN) { printf ("pass\n"); exit (0); } } } abort (); }