diff options
Diffstat (limited to 'test/nptl/tst-sem9.c')
| -rw-r--r-- | test/nptl/tst-sem9.c | 81 | 
1 files changed, 81 insertions, 0 deletions
| diff --git a/test/nptl/tst-sem9.c b/test/nptl/tst-sem9.c new file mode 100644 index 000000000..cdd8eaa30 --- /dev/null +++ b/test/nptl/tst-sem9.c @@ -0,0 +1,81 @@ +/* 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; +  int i; + +  on_exit (remove_sem, (void *) "/glibc-tst-sem9"); + +  for (i = 0; i < 3; ++i) +    { +      s = sem_open ("/glibc-tst-sem9", 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; +	} + +      /* And remove it.  */ +      if (sem_unlink ("/glibc-tst-sem9") != 0) +	{ +	  puts ("sem_unlink failed"); +	  return 1; +	} +    } + +  return 0; +} | 
