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- /*
- * Random set of variables
- * used by more than one
- * routine.
- */
- char canonb[CANBSIZ]; /* buffer for erase and kill (#@) */
- int coremap[CMAPSIZ]; /* space for core allocation */
- int swapmap[SMAPSIZ]; /* space for swap allocation */
- int *rootdir; /* pointer to inode of root directory */
- int cputype; /* type of cpu =40, 45, or 70 */
- int execnt; /* number of processes in exec */
- int lbolt; /* time of day in 60th not in time */
- int time[2]; /* time in sec from 1970 */
- int tout[2]; /* time of day of next sleep */
- /*
- * The callout structure is for
- * a routine arranging
- * to be called by the clock interrupt
- * (clock.c) with a specified argument,
- * in a specified amount of time.
- * Used, for example, to time tab
- * delays on teletypes.
- */
- struct callo
- {
- int c_time; /* incremental time */
- int c_arg; /* argument to routine */
- int (*c_func)(); /* routine */
- } callout[NCALL];
- /*
- * Mount structure.
- * One allocated on every mount.
- * Used to find the super block.
- */
- struct mount
- {
- int m_dev; /* device mounted */
- int *m_bufp; /* pointer to superblock */
- int *m_inodp; /* pointer to mounted on inode */
- } mount[NMOUNT];
- int mpid; /* generic for unique process id's */
- char runin; /* scheduling flag */
- char runout; /* scheduling flag */
- char runrun; /* scheduling flag */
- char curpri; /* more scheduling */
- int maxmem; /* actual max memory per process */
- int *lks; /* pointer to clock device */
- int rootdev; /* dev of root see conf.c */
- int swapdev; /* dev of swap see conf.c */
- int swplo; /* block number of swap space */
- int nswap; /* size of swap space */
- int updlock; /* lock for sync */
- int rablock; /* block to be read ahead */
- char regloc[]; /* locs. of saved user registers (trap.c) */
-