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
  31 struct msginfo {
  32         int msgpool, msgmap, msgmax, msgmnb, msgmni, msgssz, msgtql;
  33         unsigned short msgseg;
  34 };
  35
  36 int msgctl (int, int, struct msqid_ds *);
  37 int msgget (key_t, int);
  38 ssize_t msgrcv (int, void *, size_t, long, int);
  39 int msgsnd (int, const void *, size_t, int);
  40
  41 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
  42 struct msgbuf {
  43         long mtype;
  44         char mtext[1];
  45 };
  46 #endif
  47
  48 #ifdef __cplusplus
  49 }
  50 #endif
  51
  52 #endif