ipcbuf.h

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#ifndef __S390_IPCBUF_H__
#define __S390_IPCBUF_H__

/*
 * The user_ipc_perm structure for S/390 architecture.
 * Note extra padding because this structure is passed back and forth
 * between kernel and user space.
 *
 * Pad space is left for:
 * - 32-bit mode_t and seq
 * - 2 miscellaneous 32-bit values
 */

struct ipc64_perm
{
    __kernel_key_t      key;
    __kernel_uid32_t    uid;
    __kernel_gid32_t    gid;
    __kernel_uid32_t    cuid;
    __kernel_gid32_t    cgid;
    __kernel_mode_t     mode;
    unsigned short      __pad1;
    unsigned short      seq;
#ifndef __s390x__
    unsigned short      __pad2;
#endif /* ! __s390x__ */
    unsigned long       __unused1;
    unsigned long       __unused2;
};

#endif /* __S390_IPCBUF_H__ */