servers/vfs/glo.h

   1 /* EXTERN should be extern except for the table file */
   2 #ifdef _TABLE
   3 #undef EXTERN
   4 #define EXTERN
   5 #endif
   6
   7 /* File System global variables */
   8 EXTERN struct fproc *fp;        /* pointer to caller's fproc struct */
   9 EXTERN int super_user;          /* 1 if caller is super_user, else 0 */
  10 EXTERN int susp_count;          /* number of procs suspended on pipe */
  11 EXTERN int nr_locks;            /* number of locks currently in place */
  12 EXTERN int reviving;            /* number of pipe processes to be revived */
  13
  14 EXTERN Dev_t root_dev;          /* device number of the root device */
  15 EXTERN int ROOT_FS_E;           /* kernel endpoint of the root FS proc */
  16 EXTERN int last_login_fs_e;     /* endpoint of the FS proc that logged in
  17                                    before the corresponding mount request */
  18 EXTERN u32_t system_hz;         /* system clock frequency. */
  19
  20 /* The parameters of the call are kept here. */
  21 EXTERN message m_in;            /* the input message itself */
  22 EXTERN message m_out;           /* the output message used for reply */
  23 EXTERN int who_p, who_e;        /* caller's proc number, endpoint */
  24 EXTERN int call_nr;             /* system call number */
  25
  26 EXTERN message mount_m_in;      /* the input message for a mount request */
  27 EXTERN endpoint_t mount_fs_e;   /* endpoint of file system to mount */
  28 EXTERN char mount_label[LABEL_MAX];     /* label of file system to mount */
  29
  30 EXTERN char user_fullpath[PATH_MAX+1];    /* storage for user path name */
  31
  32 /* The following variables are used for returning results to the caller. */
  33 EXTERN int err_code;            /* temporary storage for error number */
  34
  35 /* Data initialized elsewhere. */
  36 extern _PROTOTYPE (int (*call_vec[]), (void) ); /* sys call table */
  37 extern char dot1[2];   /* dot1 (&dot1[0]) and dot2 (&dot2[0]) have a special */
  38 extern char dot2[3];   /* meaning to search_dir: no access permission check. */