1 #include <u.h>
2 #include <libc.h>
3 
4 int
5 waitpid(void)
6 {
7 	int n;
8 	char buf[512], *fld[5];
9 
10 	n = await(buf, sizeof buf-1);
11 	if(n <= 0)
12 		return -1;
13 	buf[n] = '\0';
14 	if(tokenize(buf, fld, nelem(fld)) != nelem(fld)){
15 		werrstr("couldn't parse wait message");
16 		return -1;
17 	}
18 	return atoi(fld[0]);
19 }