root/arch/x86/ia32/ipc32.c

DEFINITIONS

1. sys32_ipc

#include <linux/kernel.h>
#include <linux/spinlock.h>
#include <linux/list.h>
#include <linux/syscalls.h>
#include <linux/time.h>
#include <linux/sem.h>
#include <linux/msg.h>
#include <linux/shm.h>
#include <linux/ipc.h>
#include <linux/compat.h>

asmlinkage long sys32_ipc(u32 call, int first, int second, int 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((key_t) 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;
}