1 /****************************************************************************
2  ****************************************************************************
3  ***
4  ***   This header was automatically generated from a Linux kernel header
5  ***   of the same name, to make information necessary for userspace to
6  ***   call into the kernel available to libc.  It contains only constants,
7  ***   structures, and macros generated from the original header, and thus,
8  ***   contains no copyrightable information.
9  ***
10  ****************************************************************************
11  ****************************************************************************/
12 #ifndef _LINUX_SEM_H
13 #define _LINUX_SEM_H
14 
15 #include <linux/ipc.h>
16 
17 #define SEM_UNDO 0x1000
18 
19 #define GETPID 11
20 #define GETVAL 12
21 #define GETALL 13
22 #define GETNCNT 14
23 #define GETZCNT 15
24 #define SETVAL 16
25 #define SETALL 17
26 
27 #define SEM_STAT 18
28 #define SEM_INFO 19
29 
30 struct semid_ds {
31  struct ipc_perm sem_perm;
32  __kernel_time_t sem_otime;
33  __kernel_time_t sem_ctime;
34  struct sem *sem_base;
35  struct sem_queue *sem_pending;
36  struct sem_queue **sem_pending_last;
37  struct sem_undo *undo;
38  unsigned short sem_nsems;
39 };
40 
41 #include <asm/sembuf.h>
42 
43 struct sembuf {
44  unsigned short sem_num;
45  short sem_op;
46  short sem_flg;
47 };
48 
49 union semun {
50  int val;
51  struct semid_ds __user *buf;
52  unsigned short __user *array;
53  struct seminfo __user *__buf;
54  void __user *__pad;
55 };
56 
57 struct seminfo {
58  int semmap;
59  int semmni;
60  int semmns;
61  int semmnu;
62  int semmsl;
63  int semopm;
64  int semume;
65  int semusz;
66  int semvmx;
67  int semaem;
68 };
69 
70 #define SEMMNI 128
71 #define SEMMSL 250
72 #define SEMMNS (SEMMNI*SEMMSL)
73 #define SEMOPM 32
74 #define SEMVMX 32767
75 #define SEMAEM SEMVMX
76 
77 #define SEMUME SEMOPM
78 #define SEMMNU SEMMNS
79 #define SEMMAP SEMMNS
80 #define SEMUSZ 20
81 
82 #endif
83