/* * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it would be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * * Further, this software is distributed without any warranty that it is * free of the rightful claim of any third person regarding infringement * or the like. Any license provided herein, whether implied or * otherwise, applies only to this software file. Patent licenses, if * any, provided herein do not apply to combinations of this program with * other software, or any other product whatsoever. * * You should have received a copy of the GNU General Public License along * with this program; if not, write the Free Software Foundation, Inc., 59 * Temple Place - Suite 330, Boston MA 02111-1307, USA. * * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, * Mountain View, CA 94043, or: * * http://www.sgi.com * * For further information regarding this notice, see: * * http://oss.sgi.com/projects/GenInfo/NoticeExplan/ */ #ifndef _FORKER_H_ #define _FORKER_H_ #define FORKER_MAX_PIDS 4098 extern int Forker_pids[FORKER_MAX_PIDS]; /* holds pids of forked processes */ extern int Forker_npids; /* number of entries in Forker_pids */ /* * This function will fork and the parent will exit zero and * the child will return. This will orphan the returning process * putting it in the background. */ int background( char * ); /* * Forker will fork ncopies-1 copies of self. * * arg 1: Number of copies of the process to be running after return. * This value minus one is the number of forks performed. * arg 2: mode: 0 - all children are first generation descendents. * 1 - each subsequent child is a descendent of another * descendent, resulting in only one direct descendent of the * parent and each other child is a child of another child in * relation to the parent. * arg 3: prefix: string to preceed any error messages. A value of NULL * results in no error messages on failure. * returns: returns to parent the number of children forked. */ int forker( int , int , char * ); #endif /* _FORKER_H_ */