FD_ISSET must return an int. this is the easiest way.

[musl] / include / sys / msg.h

diff --git a/include/sys/msg.h b/include/sys/msg.h
index 92bd5a0..06f2553 100644 (file)
--- a/include/sys/msg.h
+++ b/include/sys/msg.h
@@ -14,20 +14,20 @@
 typedef unsigned long msgqnum_t;
 typedef unsigned long msglen_t;
 
-struct msqid_ds
-{
-       struct ipc_perm msg_perm;
-       time_t msg_stime;
-       time_t msg_rtime;
-       time_t msg_ctime;
-       msgqnum_t msg_qnum;
-       msglen_t msg_qbytes;
-       pid_t msg_lspid;
-       pid_t msd_lrpid;
-};
+#include <bits/msg.h>
+
+#define __msg_cbytes msg_cbytes
 
 #define MSG_NOERROR 010000
 
+#define MSG_STAT 11
+#define MSG_INFO 12
+
+struct msginfo {
+       int msgpool, msgmap, msgmax, msgmnb, msgmni, msgssz, msgtql;
+       unsigned short msgseg;
+};
+
 int msgctl (int, int, struct msqid_ds *);
 int msgget (key_t, int);
 ssize_t msgrcv (int, void *, size_t, long, int);