diff options
Diffstat (limited to 'uclibc-crosstools-gcc-4.4.2-1/usr/include/sys/sem.h')
-rw-r--r-- | uclibc-crosstools-gcc-4.4.2-1/usr/include/sys/sem.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/uclibc-crosstools-gcc-4.4.2-1/usr/include/sys/sem.h b/uclibc-crosstools-gcc-4.4.2-1/usr/include/sys/sem.h new file mode 100644 index 0000000..5b1d38f --- /dev/null +++ b/uclibc-crosstools-gcc-4.4.2-1/usr/include/sys/sem.h @@ -0,0 +1,58 @@ +/* Copyright (C) 1995-1999, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + 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 _SYS_SEM_H +#define _SYS_SEM_H 1 + +#include <features.h> + +#define __need_size_t +#include <stddef.h> + +/* Get common definition of System V style IPC. */ +#include <sys/ipc.h> + +/* Get system dependent definition of `struct semid_ds' and more. */ +#include <bits/sem.h> + +/* The following System V style IPC functions implement a semaphore + handling. The definition is found in XPG2. */ + +/* Structure used for argument to `semop' to describe operations. */ +struct sembuf +{ + unsigned short int sem_num; /* semaphore number */ + short int sem_op; /* semaphore operation */ + short int sem_flg; /* operation flag */ +}; + + +__BEGIN_DECLS + +/* Semaphore control operation. */ +extern int semctl (int __semid, int __semnum, int __cmd, ...) __THROW; + +/* Get semaphore. */ +extern int semget (key_t __key, int __nsems, int __semflg) __THROW; + +/* Operate on semaphore. */ +extern int semop (int __semid, struct sembuf *__sops, size_t __nsops) __THROW; + +__END_DECLS + +#endif /* sys/sem.h */ |