xref: /development/ndk/platforms/android-3/include/linux/sem.h

/****************************************************************************
 ****************************************************************************
 ***
 ***   This header was automatically generated from a Linux kernel header
 ***   of the same name, to make information necessary for userspace to
 ***   call into the kernel available to libc.  It contains only constants,
 ***   structures, and macros generated from the original header, and thus,
 ***   contains no copyrightable information.
 ***
 ****************************************************************************
 ****************************************************************************/
#ifndef _LINUX_SEM_H
#define _LINUX_SEM_H

#include <linux/ipc.h>

#define SEM_UNDO 0x1000

#define GETPID 11
#define GETVAL 12
#define GETALL 13
#define GETNCNT 14
#define GETZCNT 15
#define SETVAL 16
#define SETALL 17

#define SEM_STAT 18
#define SEM_INFO 19

struct semid_ds {
 struct ipc_perm sem_perm;
 __kernel_time_t sem_otime;
 __kernel_time_t sem_ctime;
 struct sem *sem_base;
 struct sem_queue *sem_pending;
 struct sem_queue **sem_pending_last;
 struct sem_undo *undo;
 unsigned short sem_nsems;
};

#include <asm/sembuf.h>

struct sembuf {
 unsigned short sem_num;
 short sem_op;
 short sem_flg;
};

union semun {
 int val;
 struct semid_ds __user *buf;
 unsigned short __user *array;
 struct seminfo __user *__buf;
 void __user *__pad;
};

struct seminfo {
 int semmap;
 int semmni;
 int semmns;
 int semmnu;
 int semmsl;
 int semopm;
 int semume;
 int semusz;
 int semvmx;
 int semaem;
};

#define SEMMNI 128
#define SEMMSL 250
#define SEMMNS (SEMMNI*SEMMSL)
#define SEMOPM 32
#define SEMVMX 32767
#define SEMAEM SEMVMX

#define SEMUME SEMOPM
#define SEMMNU SEMMNS
#define SEMMAP SEMMNS
#define SEMUSZ 20

#endif