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author | Ulrich Drepper <drepper@redhat.com> | 2002-11-28 10:11:51 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2002-11-28 10:11:51 +0000 |
commit | 975aa229a45b3d9727114e2d5030ec9dc0ec5f82 (patch) | |
tree | 1e96cc63bb00db131478457685f76860272414d6 /nptl/sysdeps | |
parent | 654dff90cc1da3c12b82b155280b89adb1cf331c (diff) | |
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Update.
* sysdeps/unix/sysv/linux/x86_64/bits/semaphore.h: New file.
Diffstat (limited to 'nptl/sysdeps')
-rw-r--r-- | nptl/sysdeps/unix/sysv/linux/x86_64/bits/semaphore.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/bits/semaphore.h b/nptl/sysdeps/unix/sysv/linux/x86_64/bits/semaphore.h new file mode 100644 index 0000000000..3048ac0c4a --- /dev/null +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/bits/semaphore.h @@ -0,0 +1,39 @@ +/* Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. + + 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 + + +#define __SIZEOF_SEM_T 32 + + +/* 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; |