diff options
Diffstat (limited to 'nptl/tst-sem8.c')
| -rw-r--r-- | nptl/tst-sem8.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/nptl/tst-sem8.c b/nptl/tst-sem8.c new file mode 100644 index 0000000000..876c319ba5 --- /dev/null +++ b/nptl/tst-sem8.c @@ -0,0 +1,76 @@ +/* Copyright (C) 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <fcntl.h> +#include <semaphore.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + + +static void +remove_sem (int status, void *arg) +{ + sem_unlink (arg); +} + + +int +main (void) +{ + sem_t *s; + sem_t *s2; + sem_t *s3; + int i; + + on_exit (remove_sem, (void *) "/glibc-tst-sem8"); + + for (i = 0; i < 3; ++i) + { + s = sem_open ("/glibc-tst-sem8", O_CREAT, 0600, 1); + if (s == SEM_FAILED) + { + if (errno == ENOSYS) + { + puts ("sem_open not supported. Oh well."); + return 0; + } + + /* Maybe the shm filesystem has strict permissions. */ + if (errno == EACCES) + { + puts ("sem_open not allowed. Oh well."); + return 0; + } + + printf ("sem_open: %m\n"); + return 1; + } + + /* Now close the handle. */ + if (sem_close (s) != 0) + { + puts ("sem_close failed"); + return 1; + } + } + + return 0; +} |