| /* Check that TRT happens when we reach the #threads implementation limit. |
| #notarget: cris*-*-elf |
| */ |
| |
| #include <stddef.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <limits.h> |
| #include <unistd.h> |
| #include <sched.h> |
| #include <errno.h> |
| #include <sys/types.h> |
| #include <sys/wait.h> |
| |
| 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 (); |
| } |