root/include/asm-parisc/shmbuf.h

INCLUDED FROM

#ifndef _PARISC_SHMBUF_H
#define _PARISC_SHMBUF_H

/* 
 * The shmid64_ds structure for parisc architecture.
 * Note extra padding because this structure is passed back and forth
 * between kernel and user space.
 *
 * Pad space is left for:
 * - 64-bit time_t to solve y2038 problem
 * - 2 miscellaneous 32-bit values
 */

struct shmid64_ds {
        struct ipc64_perm       shm_perm;       /* operation perms */
#ifndef CONFIG_64BIT
        unsigned int            __pad1;
#endif
        __kernel_time_t         shm_atime;      /* last attach time */
#ifndef CONFIG_64BIT
        unsigned int            __pad2;
#endif
        __kernel_time_t         shm_dtime;      /* last detach time */
#ifndef CONFIG_64BIT
        unsigned int            __pad3;
#endif
        __kernel_time_t         shm_ctime;      /* last change time */
#ifndef CONFIG_64BIT
        unsigned int            __pad4;
#endif
        size_t                  shm_segsz;      /* size of segment (bytes) */
        __kernel_pid_t          shm_cpid;       /* pid of creator */
        __kernel_pid_t          shm_lpid;       /* pid of last operator */
        unsigned int            shm_nattch;     /* no. of current attaches */
        unsigned int            __unused1;
        unsigned int            __unused2;
};

#ifdef CONFIG_64BIT
/* The 'unsigned int' (formerly 'unsigned long') data types below will
 * ensure that a 32-bit app calling shmctl(*,IPC_INFO,*) will work on
 * a wide kernel, but if some of these values are meant to contain pointers
 * they may need to be 'long long' instead. -PB XXX FIXME
 */
#endif
struct shminfo64 {
        unsigned int    shmmax;
        unsigned int    shmmin;
        unsigned int    shmmni;
        unsigned int    shmseg;
        unsigned int    shmall;
        unsigned int    __unused1;
        unsigned int    __unused2;
        unsigned int    __unused3;
        unsigned int    __unused4;
};

#endif /* _PARISC_SHMBUF_H */