#ifndef lint#ifdef SunB1static  char    sccsid[] = 	"@(#)execute.c 1.1 92/07/30 SMI; SunOS MLS";#elsestatic  char    sccsid[] = 	"@(#)execute.c 1.1 92/07/30 SMI";#endif /* SunB1 */#endif lint/* *	Copyright (c) 1990 Sun Microsystems, Inc. *//* *	Name:		execute() * *	Description:	Execute a suninstall program in TOOL_DIR. *		Returns 1 if the process was successful and 0 otherwise. */#include <sys/wait.h>#include <errno.h>#include "install.h"#include "menu.h"/* *	External functions: */extern	char *		sprintf();intexecute(argv)	char **		argv;{	char		pathname[MAXPATHLEN];	/* path to program to exec */	int		pid;			/* child's process id */	int		ret_code;		/* return code */	union wait	status;			/* child's return status */#ifdef CATCH_SIGNALS	/*	 *	Ignore keyboard signals while child is running.	 */	(void) signal(SIGINT, SIG_IGN);#endif	(void) signal(SIGQUIT, SIG_IGN);	(void) sprintf(pathname, "%s/%s", TOOL_DIR, argv[0]);	pid = fork();	if (pid == -1) {		menu_log("%s: cannot create child process.", progname);		menu_abort(1);	}	else if (pid == 0) {			/* this is the child */		execv(pathname, argv);		menu_log("%s: %s: %s.", progname, pathname, err_mesg(errno));		menu_log("\tCannot execute install tool.");		menu_abort(1);	}	else {					/* this is the parent */		while ((ret_code = wait(&status)) != pid) {			if (ret_code == -1) {				menu_log("%s: %s: %s.", progname, pathname,					 err_mesg(errno));			        menu_log(				      "Error while waiting for install tool.");				menu_abort(1);			}		}	}#ifdef CATCH_SIGNALS	/*	 *	Restore signal values.	 */	(void) signal(SIGINT, SIG_DFL);#endif	(void) signal(SIGQUIT, SIG_IGN);	return(status.w_status ? 0 : 1);} /* end execute() */