Add in message queue support, based on work from <tapu@371.net>.

This is required to compile util-linux

1 files changed, 52 insertions, 0 deletions

diff --git a/libc/misc/sysvipc/msgq.c b/libc/misc/sysvipc/msgq.c
new file mode 100644
index 000000000..f373c1611
--- /dev/null
+++ b/libc/misc/sysvipc/msgq.c
@@ -0,0 +1,52 @@
+#include <errno.h>
+#include <sys/msg.h>
+#include "ipc.h"
+
+
+#ifdef L_msgctl
+/* Message queue control operation.  */
+int msgctl (int msqid, int cmd, struct msqid_ds *buf)
+{
+    return __ipc(IPCOP_msgctl ,msqid ,cmd ,0 ,buf);
+}
+#endif
+
+
+#ifdef L_msgget
+/* Get messages queue.  */
+int msgget (key_t key, int msgflg)
+{
+    return __ipc(IPCOP_msgget ,key ,msgflg ,0 ,0);
+}
+#endif
+
+
+struct new_msg_buf{
+    struct msgbuf * oldmsg;
+    long int r_msgtyp;       /* the fifth arg of __ipc */
+};
+/* Receive message from message queue.  */
+
+
+#ifdef L_msgrcv
+int msgrcv (int msqid, void *msgp, size_t msgsz,
+	long int msgtyp, int msgflg)
+{
+    struct new_msg_buf temp;
+
+    temp.r_msgtyp = msgtyp;
+    temp.oldmsg = msgp;
+    return __ipc(IPCOP_msgrcv ,msqid ,msgsz ,msgflg ,&temp);
+}
+#endif
+
+
+
+#ifdef L_msgsnd
+/* Send message to message queue.  */
+int msgsnd (int msqid, const void *msgp, size_t msgsz, int msgflg)
+{
+    return __ipc(IPCOP_msgsnd, msqid, msgsz, msgflg, (void *)msgp);
+}
+#endif
+