Importing Egor's testsuite.

winsup/testsuite/libltp/include/forker.h

@@ -0,0 +1,63 @@
+/*
+ * 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_ */