1 bc7cb1a1 2003-11-23 devnull #include <u.h>
  2 bc7cb1a1 2003-11-23 devnull #include <libc.h>
  3 bc7cb1a1 2003-11-23 devnull 
  4 bc7cb1a1 2003-11-23 devnull char	output[4096];
  5 bc7cb1a1 2003-11-23 devnull void	add(char*, ...);
  6 bc7cb1a1 2003-11-23 devnull void	error(char*);
  7 bc7cb1a1 2003-11-23 devnull void	notifyf(void*, char*);
  8 bc7cb1a1 2003-11-23 devnull 
  9 bc7cb1a1 2003-11-23 devnull void
 10 bc7cb1a1 2003-11-23 devnull main(int argc, char *argv[])
 11 bc7cb1a1 2003-11-23 devnull {
 12 bc7cb1a1 2003-11-23 devnull 	int i;
 13 bc7cb1a1 2003-11-23 devnull 	Waitmsg *w;
 14 c4097c29 2004-05-11 devnull 	vlong t0, t1;
 15 bc7cb1a1 2003-11-23 devnull 	long l;
 16 bc7cb1a1 2003-11-23 devnull 	char *p;
 17 bc7cb1a1 2003-11-23 devnull 	char err[ERRMAX];
 18 bc7cb1a1 2003-11-23 devnull 
 19 bc7cb1a1 2003-11-23 devnull 	if(argc <= 1){
 20 bc7cb1a1 2003-11-23 devnull 		fprint(2, "usage: time command\n");
 21 bc7cb1a1 2003-11-23 devnull 		exits("usage");
 22 bc7cb1a1 2003-11-23 devnull 	}
 23 bc7cb1a1 2003-11-23 devnull 
 24 c4097c29 2004-05-11 devnull 	t0 = nsec();
 25 bc7cb1a1 2003-11-23 devnull 	switch(fork()){
 26 bc7cb1a1 2003-11-23 devnull 	case -1:
 27 bc7cb1a1 2003-11-23 devnull 		error("fork");
 28 bc7cb1a1 2003-11-23 devnull 	case 0:
 29 bc7cb1a1 2003-11-23 devnull 		exec(argv[1], &argv[1]);
 30 bc7cb1a1 2003-11-23 devnull 		if(argv[1][0] != '/' && strncmp(argv[1], "./", 2) &&
 31 bc7cb1a1 2003-11-23 devnull 		   strncmp(argv[1], "../", 3)){
 32 bc7cb1a1 2003-11-23 devnull 			sprint(output, "/bin/%s", argv[1]);
 33 bc7cb1a1 2003-11-23 devnull 			exec(output, &argv[1]);
 34 bc7cb1a1 2003-11-23 devnull 		}
 35 bc7cb1a1 2003-11-23 devnull 		error(argv[1]);
 36 bc7cb1a1 2003-11-23 devnull 	}
 37 bc7cb1a1 2003-11-23 devnull 
 38 bc7cb1a1 2003-11-23 devnull 	notify(notifyf);
 39 bc7cb1a1 2003-11-23 devnull 
 40 bc7cb1a1 2003-11-23 devnull     loop:
 41 bc7cb1a1 2003-11-23 devnull 	w = wait();
 42 c4097c29 2004-05-11 devnull 	t1 = nsec();
 43 bc7cb1a1 2003-11-23 devnull 	if(w == nil){
 44 c4097c29 2004-05-11 devnull 		rerrstr(err, sizeof err);
 45 bc7cb1a1 2003-11-23 devnull 		if(strcmp(err, "interrupted") == 0)
 46 bc7cb1a1 2003-11-23 devnull 			goto loop;
 47 bc7cb1a1 2003-11-23 devnull 		error("wait");
 48 bc7cb1a1 2003-11-23 devnull 	}
 49 bc7cb1a1 2003-11-23 devnull 	l = w->time[0];
 50 a012d174 2020-12-15 rsc 	add("%ld.%.3ldu", l/1000, l%1000);
 51 bc7cb1a1 2003-11-23 devnull 	l = w->time[1];
 52 a012d174 2020-12-15 rsc 	add("%ld.%.3lds", l/1000, l%1000);
 53 c4097c29 2004-05-11 devnull 	l = (t1-t0)/1000000;
 54 a012d174 2020-12-15 rsc 	add("%ld.%.3ldr", l/1000, l%1000);
 55 bc7cb1a1 2003-11-23 devnull 	add("\t");
 56 bc7cb1a1 2003-11-23 devnull 	for(i=1; i<argc; i++){
 57 bc7cb1a1 2003-11-23 devnull 		add("%s", argv[i], 0);
 58 bc7cb1a1 2003-11-23 devnull 		if(i>4){
 59 bc7cb1a1 2003-11-23 devnull 			add("...");
 60 bc7cb1a1 2003-11-23 devnull 			break;
 61 bc7cb1a1 2003-11-23 devnull 		}
 62 bc7cb1a1 2003-11-23 devnull 	}
 63 bc7cb1a1 2003-11-23 devnull 	if(w->msg[0]){
 64 bc7cb1a1 2003-11-23 devnull 		p = utfrune(w->msg, ':');
 65 bc7cb1a1 2003-11-23 devnull 		if(p && p[1])
 66 bc7cb1a1 2003-11-23 devnull 			p++;
 67 bc7cb1a1 2003-11-23 devnull 		else
 68 bc7cb1a1 2003-11-23 devnull 			p = w->msg;
 69 bc7cb1a1 2003-11-23 devnull 		add(" # status=%s", p);
 70 bc7cb1a1 2003-11-23 devnull 	}
 71 bc7cb1a1 2003-11-23 devnull 	fprint(2, "%s\n", output);
 72 bc7cb1a1 2003-11-23 devnull 	exits(w->msg);
 73 bc7cb1a1 2003-11-23 devnull }
 74 bc7cb1a1 2003-11-23 devnull 
 75 bc7cb1a1 2003-11-23 devnull void
 76 bc7cb1a1 2003-11-23 devnull add(char *a, ...)
 77 bc7cb1a1 2003-11-23 devnull {
 78 bc7cb1a1 2003-11-23 devnull 	static int beenhere=0;
 79 bc7cb1a1 2003-11-23 devnull 	va_list arg;
 80 bc7cb1a1 2003-11-23 devnull 
 81 bc7cb1a1 2003-11-23 devnull 	if(beenhere)
 82 bc7cb1a1 2003-11-23 devnull 		strcat(output, " ");
 83 bc7cb1a1 2003-11-23 devnull 	va_start(arg, a);
 84 bc7cb1a1 2003-11-23 devnull 	vseprint(output+strlen(output), output+sizeof(output), a, arg);
 85 bc7cb1a1 2003-11-23 devnull 	va_end(arg);
 86 bc7cb1a1 2003-11-23 devnull 	beenhere++;
 87 bc7cb1a1 2003-11-23 devnull }
 88 bc7cb1a1 2003-11-23 devnull 
 89 bc7cb1a1 2003-11-23 devnull void
 90 bc7cb1a1 2003-11-23 devnull error(char *s)
 91 bc7cb1a1 2003-11-23 devnull {
 92 bc7cb1a1 2003-11-23 devnull 
 93 bc7cb1a1 2003-11-23 devnull 	fprint(2, "time: %s: %r\n", s);
 94 bc7cb1a1 2003-11-23 devnull 	exits(s);
 95 bc7cb1a1 2003-11-23 devnull }
 96 bc7cb1a1 2003-11-23 devnull 
 97 bc7cb1a1 2003-11-23 devnull void
 98 bc7cb1a1 2003-11-23 devnull notifyf(void *a, char *s)
 99 bc7cb1a1 2003-11-23 devnull {
100 bc7cb1a1 2003-11-23 devnull 	USED(a);
101 bc7cb1a1 2003-11-23 devnull 	if(strcmp(s, "interrupt") == 0)
102 bc7cb1a1 2003-11-23 devnull 		noted(NCONT);
103 bc7cb1a1 2003-11-23 devnull 	noted(NDFLT);
104 bc7cb1a1 2003-11-23 devnull }