include/sys/msg.h

   1 #ifndef _SYS_MSG_H
   2 #define _SYS_MSG_H
   3
   4 #ifdef __cplusplus
   5 extern "C" {
   6 #endif
   7
   8 #include <sys/ipc.h>
   9
  10 #define __NEED_pid_t
  11 #define __NEED_key_t
  12 #define __NEED_time_t
  13 #define __NEED_size_t
  14 #define __NEED_ssize_t
  15
  16 #include <bits/alltypes.h>
  17
  18 typedef unsigned long msgqnum_t;
  19 typedef unsigned long msglen_t;
  20
  21 #include <bits/msg.h>
  22
  23 #define __msg_cbytes msg_cbytes
  24
  25 #define MSG_NOERROR 010000
  26 #define MSG_EXCEPT  020000
  27
  28 #define MSG_STAT 11
  29 #define MSG_INFO 12
  30 #define MSG_STAT_ANY 13
  31
  32 struct msginfo {
  33         int msgpool, msgmap, msgmax, msgmnb, msgmni, msgssz, msgtql;
  34         unsigned short msgseg;
  35 };
  36
  37 int msgctl (int, int, struct msqid_ds *);
  38 int msgget (key_t, int);
  39 ssize_t msgrcv (int, void *, size_t, long, int);
  40 int msgsnd (int, const void *, size_t, int);
  41
  42 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
  43 struct msgbuf {
  44         long mtype;
  45         char mtext[1];
  46 };
  47 #endif
  48
  49 #ifdef __cplusplus
  50 }
  51 #endif
  52
  53 #endif