arch/x86/ia32/ipc32.c

   1 #include <linux/kernel.h>
   2 #include <linux/spinlock.h>
   3 #include <linux/list.h>
   4 #include <linux/syscalls.h>
   5 #include <linux/time.h>
   6 #include <linux/sem.h>
   7 #include <linux/msg.h>
   8 #include <linux/shm.h>
   9 #include <linux/ipc.h>
  10 #include <linux/compat.h>
  11
  12 asmlinkage long
  13 sys32_ipc(u32 call, int first, int second, int third,
  14                 compat_uptr_t ptr, u32 fifth)
  15 {
  16         int version;
  17
  18         version = call >> 16; /* hack for backward compatibility */
  19         call &= 0xffff;
  20
  21         switch (call) {
  22               case SEMOP:
  23                 /* struct sembuf is the same on 32 and 64bit :)) */
  24                 return sys_semtimedop(first, compat_ptr(ptr), second, NULL);
  25               case SEMTIMEDOP:
  26                 return compat_sys_semtimedop(first, compat_ptr(ptr), second,
  27                                                 compat_ptr(fifth));
  28               case SEMGET:
  29                 return sys_semget(first, second, third);
  30               case SEMCTL:
  31                 return compat_sys_semctl(first, second, third, compat_ptr(ptr));
  32
  33               case MSGSND:
  34                 return compat_sys_msgsnd(first, second, third, compat_ptr(ptr));
  35               case MSGRCV:
  36                 return compat_sys_msgrcv(first, second, fifth, third,
  37                                          version, compat_ptr(ptr));
  38               case MSGGET:
  39                 return sys_msgget((key_t) first, second);
  40               case MSGCTL:
  41                 return compat_sys_msgctl(first, second, compat_ptr(ptr));
  42
  43               case SHMAT:
  44                 return compat_sys_shmat(first, second, third, version,
  45                                         compat_ptr(ptr));
  46                 break;
  47               case SHMDT:
  48                 return sys_shmdt(compat_ptr(ptr));
  49               case SHMGET:
  50                 return sys_shmget(first, (unsigned)second, third);
  51               case SHMCTL:
  52                 return compat_sys_shmctl(first, second, compat_ptr(ptr));
  53         }
  54         return -ENOSYS;
  55 }