/* * Copyright 1993, 1995 Christopher Seiwald. * * This file is part of Jam - see jam.c for Copyright information. */# include "jam.h"# include "lists.h"# include "execcmd.h"# include <errno.h># ifdef OS_MAC/* * execunix.c - execute a shell script on UNIX * * If $(JAMSHELL) is defined, uses that to formulate execvp(). * The default is: * *	/bin/sh -c % * * Each word must be an individual element in a jam variable value. * * In $(JAMSHELL), % expands to the command string and ! expands to  * the slot number (starting at 1) for multiprocess (-j) invocations. * If $(JAMSHELL) doesn't include a %, it is tacked on as the last * argument. * * Don't just set JAMSHELL to /bin/sh - it won't work! * * External routines: *	execcmd() - launch an async command execution * 	execwait() - wait and drive at most one execution completion * * Internal routines: *	onintr() - bump intr to note command interruption * * 04/08/94 (seiwald) - Coherent/386 support added. * 05/04/94 (seiwald) - async multiprocess interface * 01/22/95 (seiwald) - $(JAMSHELL) support *//* * execcmd() - launch an async command execution */voidexeccmd( 	char *string,        void (*func)( void *closure, int status, timing_info*, char *, char * ),	void *closure,	LIST *shell ){		printf( "%s", string );	(*func)( closure, EXEC_CMD_OK );}/* * execwait() - wait and drive at most one execution completion */intexecwait(){	return 0;}# endif /* OS_MAC */