#ifndef lintstatic	char sccsid[] = "@(#)dispatcher.c 1.1 92/07/30 Copyright Sun Micro";#endif/* * Copyright (c) 1987 by Sun Microsystems, Inc. */#include <stdio.h>#define MAXARGS 30#define MAXHOSTNAMELEN  64/****************************************************************************** * The purpose of this program is to lower the priority of the forked test    * * for better SunView user interface response. Since we used vfork() in	      * * fork_test(), it is better not to lower the priority until now(this is also * * the reason for having this separate short progam).			      * ******************************************************************************/extern	char	*getenv();/* * arguments passed to dispatcher: *      priority remotehostname testname sd test_arguments * example: *      10 localhost nettest sd net_le0 * * where argv[0] = 10, argv[1] = "localhost", etc. * * dispatcher will exec the either a local program "testname" if * remotehostname="localhost" or exec the program "remote" to execute  * "testname" on the remote machine. * * In the remote case, the array av[] is filled in: *	av[0] = "remote", av[1] = remotehostname, av[2]=testname, *	av[3] = "sd", av[4,etc] = [test_arguments, h, localhostname]. * example: *	remote serf nettest sd net_le0 h oasis *	(where serf is the remote machine and oasis is the local machine) * *//*ARGSUSED*/main(argc, argv)	int	argc;	char	*argv[];{  int	priority;  int	i=0;  char	*av[MAXARGS];  char  myhostname[MAXHOSTNAMELEN];  priority = atoi(argv[0]);  if (priority != 0)    (void)nice(priority);	/* lower the priority now, if requested */  if (strcmp(argv[1], "localhost") == 0) {  /* local execution */    execvp(argv[2], &argv[2]);  /* run the test, skip the priority and                                   remote hostname arguments. */    perror("execvp(in dispatcher)");  } else {			/* remote execution */    av[0] = "remote";    for (i=1; argv[i] != NULL; i++) {      av[i] = argv[i];    }    av[i] = "h";    /* get my own machine name */    if ((gethostname(myhostname, MAXHOSTNAMELEN - 1)) == -1) {        perror("dispatcher: can't get my hostname:");	_exit(1);    }    av[i+1] = myhostname;    av[i+2] = NULL;    execvp(av[0], &av[0]);    perror("execlp(in dispatcher)");  }  _exit(-1);}