1 #include <sys/types.h> 2 #include <sys/ipc.h> 3 #include <sys/msg.h> 4 5 #include "sysvipc_msg.h" 6 7 extern char sysvipc_userland; 8 9 extern int __sys_msgctl(int, int, struct msqid_ds *); 10 11 int msgctl(int msqid, int cmd, struct msqid_ds *buf) 12 { 13 if (sysvipc_userland) 14 return (sysvipc_msgctl(msqid, cmd, buf)); 15 16 return (__sys_msgctl(msqid, cmd, buf)); 17 } 18