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/*
AND auto nice daemon - renice programs according to their CPU usage.
Copyright (C) 1999-2004 Patrick Schemitz <schemitz@users.sourceforge.net>
http://and.sourceforge.net/
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef AND_H
#define AND_H
/************************************************************************
* *
* and.h -- AND library for platform-independent code. *
* *
* 1999, 2004 Patrick Schemitz <schemitz@users.sourceforge.net> *
* http://and.sourceforge.net/ *
* *
***********************************************************************/
/*
* and_procent -- process entry.
*
* AND-relevant information on a process.
*/
struct and_procent {
/* to be filled by and-$OS.c: */
int pid;
int ppid;
int uid;
int gid;
int nice;
unsigned utime;
char command [1024];
/* to be filled by and.c: */
struct and_procent *parent;
struct and_procent *next;
};
/*
* and_printf() - log message.
*
* Logs a message (in printf() format), either to stderr, or to syslog(),
* depending on AND operational mode. In test mode (and -t), stderr is
* used; syslog() otherwise. Use this to report any O/S-specific problems.
* Log is suppressed if the current verbosity level is below the required
* one.
*/
void and_printf (int required_verbosity, char *fmt, ...);
/*
* and_setprocreader() -- set O/S specific handler for reading processes.
*
* getfirst and getnext are two functions returning a pointer to an
* and_procent, or NULL if no more processes are available. The implementation
* of these two functions are O/S specific. For Linux, reading through the
* /proc filesystem is most suitable. See and-linux.c for a sample
* implementation.
*
* Note: it is getfirst's task to also clean up any remainders of former
* calls to getfirst and getnext, such as open DIR*.
*/
void and_setprocreader (struct and_procent *(*getfirst)(),
struct and_procent *(*getnext)());
/*
* and_main() -- start the AND.
*
* Takes over control. Call this after setting the and_procreader().
*/
int and_main (int argc, char** argv);
#endif
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