1#include <sys/msg.h>
 2#include <endian.h>
 3#include "syscall.h"
 4#include "ipc.h"
 5
 6#if __BYTE_ORDER != __BIG_ENDIAN
 7#undef SYSCALL_IPC_BROKEN_MODE
 8#endif
 9
10int msgctl(int q, int cmd, struct msqid_ds *buf)
11{
12#if IPC_TIME64
13	struct msqid_ds out, *orig;
14	if (cmd&IPC_TIME64) {
15		out = (struct msqid_ds){0};
16		orig = buf;
17		buf = &out;
18	}
19#endif
20#ifdef SYSCALL_IPC_BROKEN_MODE
21	struct msqid_ds tmp;
22	if (cmd == IPC_SET) {
23		tmp = *buf;
24		tmp.msg_perm.mode *= 0x10000U;
25		buf = &tmp;
26	}
27#endif
28#ifndef SYS_ipc
29	int r = __syscall(SYS_msgctl, q, IPC_CMD(cmd), buf);
30#else
31	int r = __syscall(SYS_ipc, IPCOP_msgctl, q, IPC_CMD(cmd), 0, buf, 0);
32#endif
33#ifdef SYSCALL_IPC_BROKEN_MODE
34	if (r >= 0) switch (cmd | IPC_TIME64) {
35	case IPC_STAT:
36	case MSG_STAT:
37	case MSG_STAT_ANY:
38		buf->msg_perm.mode >>= 16;
39	}
40#endif
41#if IPC_TIME64
42	if (r >= 0 && (cmd&IPC_TIME64)) {
43		buf = orig;
44		*buf = out;
45		IPC_HILO(buf, msg_stime);
46		IPC_HILO(buf, msg_rtime);
47		IPC_HILO(buf, msg_ctime);
48	}
49#endif
50	return __syscall_ret(r);
51}