diff options
author | Ulrich Drepper <drepper@redhat.com> | 2003-02-05 09:54:24 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2003-02-05 09:54:24 +0000 |
commit | a88c9263686012ca2a336379b7d66e59dea2b43b (patch) | |
tree | f83540ebdedecb23aa76a4e84e2e5c370bf9809d /nptl/sysdeps/unix/sysv/linux/s390/bits/semaphore.h | |
parent | ec609a8e77b592e5f8ef95fd2c1d44015a45d063 (diff) |
Update.
2003-02-05 Ulrich Drepper <drepper@redhat.com>
* sysdeps/pthread/bits/libc-lock.h (__libc_once): Set control
variable for non-libpthread case to the same value the
pthread_once function would use.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/s390/bits/semaphore.h')
-rw-r--r-- | nptl/sysdeps/unix/sysv/linux/s390/bits/semaphore.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/s390/bits/semaphore.h b/nptl/sysdeps/unix/sysv/linux/s390/bits/semaphore.h new file mode 100644 index 0000000000..b30dbe5db9 --- /dev/null +++ b/nptl/sysdeps/unix/sysv/linux/s390/bits/semaphore.h @@ -0,0 +1,43 @@ +/* Copyright (C) 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Martin Schwidefsky <schwidefsky@de.ibm.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. */ + +#ifndef _SEMAPHORE_H +# error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead." +#endif + +#include <bits/wordsize.h> + +#if __WORDSIZE == 64 +# define __SIZEOF_SEM_T 32 +#else +# define __SIZEOF_SEM_T 16 +#endif + +/* Value returned if `sem_open' failed. */ +#define SEM_FAILED ((sem_t *) 0) + +/* Maximum value the semaphore can have. */ +#define SEM_VALUE_MAX ((int) ((~0u) >> 1)) + + +typedef union +{ + char __size[__SIZEOF_SEM_T]; + long int __align; +} sem_t; |