1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef _SYS_SEM_H_ 30 #define _SYS_SEM_H_ 31 32 #include <sys/cdefs.h> 33 #include <sys/ipc.h> 34 #include <sys/types.h> 35 36 #if defined(__USE_GNU) 37 #include <bits/timespec.h> 38 #endif 39 40 #include <linux/sem.h> 41 42 __BEGIN_DECLS 43 44 #define semid_ds semid64_ds 45 46 union semun { 47 int val; 48 struct semid_ds* buf; 49 unsigned short* array; 50 struct seminfo* __buf; 51 void* __pad; 52 }; 53 54 int semctl(int __sem_id, int __sem_num, int __cmd, ...) __INTRODUCED_IN(26); 55 int semget(key_t __key, int __sem_count, int __flags) __INTRODUCED_IN(26); 56 int semop(int __sem_id, struct sembuf* __ops, size_t __op_count) __INTRODUCED_IN(26); 57 58 #if defined(__USE_GNU) 59 int semtimedop(int __sem_id, struct sembuf* __ops, size_t __op_count, const struct timespec* __timeout) __INTRODUCED_IN(26); 60 #endif 61 62 __END_DECLS 63 64 #endif 65
