把所有的 shared-memory 合成一大塊

[in2 (集十隻仙女有賞:P)]

原來有 BRDSHM, UHASH, UTMPSHM, PTTSHM, FORMSHM,
現在合成一大塊叫 SHM的東西 (86,594,024 bytes)
typedef struct {
    /* uhash */
    char    userid[MAX_USERS][IDLEN + 1];
    int     next_in_hash[MAX_USERS];
    int     money[MAX_USERS];
    int     hash_head[1 << HASH_BITS];
    int     number;                             /* # of users total */
    int     loaded;                             /* .PASSWD has been loaded? */

    /* utmpshm */
    userinfo_t      uinfo[USHM_SIZE];
    userinfo_t      *sorted[2][8][USHM_SIZE];
                    /* 第一維double buffer 由currsorted指向目前使用的
                       第二維sort type */
    int     currsorted;
    time_t  UTMPuptime;
    int     UTMPnumber;
    int     UTMPbusystate;

    char    gap[1024]; /* avoid some memory error / buffer overflow */
    /* brdshm */
    boardheader_t   bcache[MAX_BOARD];
    boardheader_t   *bsorted[2][MAX_BOARD]; /* 0: by name 1: by class */
    fileheader_t    dircache[MAX_BOARD][DIRCACHESIZE];
    time_t  busystate_b[MAX_BOARD];
    int     total[MAX_BOARD];
    int     hbfl[MAX_BOARD][MAX_FRIEND + 1];
    time_t  lastposttime[MAX_BOARD];
    time_t  Buptime;
    time_t  Btouchtime;
    int     Bnumber;
    int     Bbusystate;

    char    gap2[1024]; /* avoid some memory error / buffer overflow */
    /* pttcache */
    char    notes[MAX_MOVIE][200*11];
    char    today_is[20];
    int     n_notes[MAX_MOVIE_SECTION];      /* 一節中有幾個 看板 */
    int     next_refresh[MAX_MOVIE_SECTION]; /* 下一次要refresh的 看板 */
    int     max_film;
    int     max_history;
    time_t  Puptime;
    time_t  Ptouchtime;
    int     Pbusystate;

    int     GLOBALVAR[10];                   /*  mbbsd間的 global variable
                                                 用以做統計等資料 (非常態)  */

    char    gap3[1024]; /* avoid some memory error / buffer overflow */
    /* fromcache */
    char    domain[MAX_FROM][50];
    char    replace[MAX_FROM][50];
    int     top;
    int     max_user;
    time_t  max_time;
    time_t  Fuptime;
    time_t  Ftouchtime;
    int     Fbusystate;
} SHM_t;

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