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Diffstat (limited to 'nslcd/daemonize.h')
-rw-r--r-- | nslcd/daemonize.h | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/nslcd/daemonize.h b/nslcd/daemonize.h deleted file mode 100644 index 8eb9885..0000000 --- a/nslcd/daemonize.h +++ /dev/null @@ -1,67 +0,0 @@ -/* - daemonize.h - definition of functions for daemonising an application - - Copyright (C) 2014 Arthur de Jong - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - 02110-1301 USA -*/ - -#ifndef NSLCD__DAEMONINZE_H -#define NSLCD__DAEMONINZE_H 1 - -/* - To properly run as a daemon an application should: - - - close all open file descriptors (see daemonize_closefds() for that) - - (re)set proper signal handlers and signal mask - - sanitise the environment - - fork() / setsid() / fork() to detach from terminal, become process - leader and run in the background (see daemonize_demon() for that) - - reconnect stdin/stdout/stderr to /dev/null (see - daemonize_redirect_stdio() for that) - - set the umask to a reasonable value - - chdir(/) to avoid locking any mounts - - drop privileges as appropriate - - chroot() if appropriate - - create and lock a pidfile - - exit the starting process if initialisation is complete (see - daemonize_ready() for that) -*/ - -/* This closes all open file descriptors, except stdin, stdout and stderr. */ -void daemonize_closefds(void); - -/* Redirect stdio, stdin and stderr to /dev/null. */ -void daemonize_redirect_stdio(void); - -/* Detach from the controlling terminal and run in the background. This - function does: - - double fork and exit first child - - in the first child call setsid() to detach from any terminal and - create an independent session - - keep the parent process waiting until a call to daemonize_ready() is - done by the deamon process - This function returns either an error which indicates that the - daemonizing failed for some reason (usually sets errno), or returns - without error indicating that the process has been daemonized. */ -int daemonize_daemon(void); - -/* Signal that the original parent may exit because the service has been - initialised. The status indicates the exit code of the original process and - message, if not NULL or an empty string, is printed to stderr. */ -void daemonize_ready(int status, const char *message); - -#endif /* not NSLCD__DAEMONINZE_H */ |