include/sys/shm.h

   1 #ifndef _SYS_SHM_H
   2 #define _SYS_SHM_H
   3
   4 #ifdef __cplusplus
   5 extern "C" {
   6 #endif
   7
   8 #include <features.h>
   9
  10 #define __NEED_time_t
  11 #define __NEED_size_t
  12 #define __NEED_pid_t
  13
  14 #include <bits/alltypes.h>
  15
  16 #include <sys/ipc.h>
  17
  18 #ifdef _GNU_SOURCE
  19 #define __used_ids used_ids
  20 #define __swap_attempts swap_attempts
  21 #define __swap_successes swap_successes
  22 #endif
  23
  24 #include <bits/shm.h>
  25
  26 #define SHM_R 0400
  27 #define SHM_W 0200
  28
  29 #define SHM_RDONLY 010000
  30 #define SHM_RND    020000
  31 #define SHM_REMAP  040000
  32 #define SHM_EXEC   0100000
  33
  34 #define SHM_LOCK 11
  35 #define SHM_UNLOCK 12
  36 #define SHM_STAT 13
  37 #define SHM_INFO 14
  38 #define SHM_STAT_ANY 15
  39 #define SHM_DEST 01000
  40 #define SHM_LOCKED 02000
  41 #define SHM_HUGETLB 04000
  42 #define SHM_NORESERVE 010000
  43
  44 #define SHM_HUGE_SHIFT 26
  45 #define SHM_HUGE_MASK  0x3f
  46 #define SHM_HUGE_64KB  (16 << 26)
  47 #define SHM_HUGE_512KB (19 << 26)
  48 #define SHM_HUGE_1MB   (20 << 26)
  49 #define SHM_HUGE_2MB   (21 << 26)
  50 #define SHM_HUGE_8MB   (23 << 26)
  51 #define SHM_HUGE_16MB  (24 << 26)
  52 #define SHM_HUGE_256MB (28 << 26)
  53 #define SHM_HUGE_1GB   (30 << 26)
  54 #define SHM_HUGE_2GB   (31 << 26)
  55 #define SHM_HUGE_16GB  (34U << 26)
  56
  57 typedef unsigned long shmatt_t;
  58
  59 void *shmat(int, const void *, int);
  60 int shmctl(int, int, struct shmid_ds *);
  61 int shmdt(const void *);
  62 int shmget(key_t, size_t, int);
  63
  64 #ifdef __cplusplus
  65 }
  66 #endif
  67
  68 #endif