lib/util/signal.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3    signal handling functions
   4
   5    Copyright (C) Andrew Tridgell 1998
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #ifndef _SAMBA_UTIL_SIGNAL_H_
  22 #define _SAMBA_UTIL_SIGNAL_H_
  23
  24 #include <stdbool.h>
  25
  26 /**
  27  Block sigs.
  28 **/
  29 void BlockSignals(bool block, int signum);
  30
  31 /**
  32  Catch a signal. This should implement the following semantics:
  33
  34  1) The handler remains installed after being called.
  35  2) The signal should be blocked during handler execution.
  36 **/
  37 void (*CatchSignal(int signum,void (*handler)(int )))(int);
  38
  39 /**
  40  Ignore SIGCLD via whatever means is necessary for this OS.
  41 **/
  42 void (*CatchChild(void))(int);
  43
  44 /**
  45  Catch SIGCLD but leave the child around so it's status can be reaped.
  46 **/
  47 void (*CatchChildLeaveStatus(void))(int);
  48
  49 #endif /* _SAMBA_UTIL_SIGNAL_H_ */