added a comment to spawn

20 years ago · a50b15a9e9
1 changed files with 1 additions and 0 deletions
--- a/util.c
+++ b/util.c
@ -51,6 +51,7 @@ spawn(Arg *arg)

 	if(!arg->cmd)
 		return;
+	/* the double-fork construct avoids zombie processes */
 	if(fork() == 0) {
 		if(fork() == 0) {
 			if(dpy)