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#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
#ifdef __KERNEL__
#include <linux/atomic.h>
#include <linux/rcupdate.h>
#include <linux/cache.h>
struct task_struct;
struct sem_array {
struct kern_ipc_perm ____cacheline_aligned_in_smp
sem_perm;
time_t sem_otime;
time_t sem_ctime;
struct sem *sem_base;
struct list_head sem_pending;
struct list_head list_id;
int sem_nsems;
int complex_count;
};
#ifdef CONFIG_SYSVIPC
struct sysv_sem {
struct sem_undo_list *undo_list;
};
extern int copy_semundo(unsigned long clone_flags, struct task_struct *tsk);
extern void exit_sem(struct task_struct *tsk);
#else
struct sysv_sem {
};
static inline int copy_semundo(unsigned long clone_flags, struct task_struct *tsk)
{
return 0;
}
static inline void exit_sem(struct task_struct *tsk)
{
return;
}
#endif
#endif
#endif
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