merge compat sys_ipc instances
[linux-2.6-block.git] / ipc / compat.c
index 2547f29dcd1b5e00ab93ed37c594e93d6e1f5b75..1da2e2eb9d7062e5988d70e5969904dc1ad963d2 100644 (file)
@@ -368,6 +368,50 @@ long compat_sys_msgrcv(int first, int second, int msgtyp, int third,
        return do_msgrcv(first, uptr, second, msgtyp, third,
                         compat_do_msg_fill);
 }
+
+COMPAT_SYSCALL_DEFINE6(ipc, u32, call, int, first, int, second,
+       u32, third, compat_uptr_t, ptr, u32, fifth)
+{
+       int version;
+
+       version = call >> 16; /* hack for backward compatibility */
+       call &= 0xffff;
+
+       switch (call) {
+       case SEMOP:
+               /* struct sembuf is the same on 32 and 64bit :)) */
+               return sys_semtimedop(first, compat_ptr(ptr), second, NULL);
+       case SEMTIMEDOP:
+               return compat_sys_semtimedop(first, compat_ptr(ptr), second,
+                                               compat_ptr(fifth));
+       case SEMGET:
+               return sys_semget(first, second, third);
+       case SEMCTL:
+               return compat_sys_semctl(first, second, third, compat_ptr(ptr));
+
+       case MSGSND:
+               return compat_sys_msgsnd(first, second, third, compat_ptr(ptr));
+       case MSGRCV:
+               return compat_sys_msgrcv(first, second, fifth, third,
+                                        version, compat_ptr(ptr));
+       case MSGGET:
+               return sys_msgget(first, second);
+       case MSGCTL:
+               return compat_sys_msgctl(first, second, compat_ptr(ptr));
+
+       case SHMAT:
+               return compat_sys_shmat(first, second, third, version,
+                                       compat_ptr(ptr));
+       case SHMDT:
+               return sys_shmdt(compat_ptr(ptr));
+       case SHMGET:
+               return sys_shmget(first, (unsigned)second, third);
+       case SHMCTL:
+               return compat_sys_shmctl(first, second, compat_ptr(ptr));
+       }
+
+       return -ENOSYS;
+}
 #else
 long compat_sys_semctl(int semid, int semnum, int cmd, int arg)
 {