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