src/sig.h

   1 /*======================================================================*
   2  * Copyright (C) 2008 Light Weight Event System                         *
   3  * All rights reserved.                                                 *
   4  *                                                                      *
   5  * This program is free software; you can redistribute it and/or modify *
   6  * it under the terms of the GNU General Public License as published by *
   7  * the Free Software Foundation; either version 2 of the License, or    *
   8  * (at your option) any later version.                                  *
   9  *                                                                      *
  10  * This program is distributed in the hope that it will be useful,      *
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
  13  * GNU General Public License for more details.                         *
  14  *                                                                      *
  15  * You should have received a copy of the GNU General Public License    *
  16  * along with this program; if not, write to the Free Software          *
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor,                   *
  18  * Boston, MA 02110-1301 USA.                                           *
  19  *======================================================================*/
  20
  21 #ifndef SIG_DOT_H
  22 #define SIG_DOT_H
  23
  24 extern volatile int gbl_done;
  25 extern volatile int gbl_rotate;
  26 typedef enum {
  27     PANIC_NOT,        // quiescent
  28     PANIC_STARTUP,    // signal to xport_to_queue to start panic
  29     PANIC_IN_EFFECT,  // panic mode is in effect
  30     PANIC_SHUTDOWN,   // signal to xport_to_queue that panic is done
  31     PANIC_HURRYUP     // hurry-up mode is in effect
  32 } PANIC_MODE ;
  33 extern volatile PANIC_MODE journaller_panic_mode ;
  34
  35 extern void install_signal_handlers (void);
  36 extern void install_rotate_signal_handlers (void);
  37
  38 #endif /* SIG_DOT_H */