dwm.c
changeset 1371 fcdbbc9c39de
parent 1370 6d6ed7a9183c
child 1372 a02489708a2b
--- a/dwm.c	Fri Dec 12 19:49:06 2008 +0000
+++ b/dwm.c	Fri Dec 12 19:55:03 2008 +0000
@@ -178,6 +178,7 @@
 static void setmfact(const Arg *arg);
 static void setup(void);
 static void showhide(Client *c);
+static void sigchld(int signal);
 static void spawn(const Arg *arg);
 static void tag(const Arg *arg);
 static int textnw(const char *text, unsigned int len);
@@ -1340,22 +1341,24 @@
 	}
 }
 
+
+void
+sigchld(int signal) {
+	while(0 < waitpid(-1, NULL, WNOHANG));
+}
+
 void
 spawn(const Arg *arg) {
-	/* The double-fork construct avoids zombie processes and keeps the code
-	 * clean from stupid signal handlers. */
+	signal(SIGCHLD, sigchld);
 	if(fork() == 0) {
-		if(fork() == 0) {
-			if(dpy)
-				close(ConnectionNumber(dpy));
-			setsid();
-			execvp(((char **)arg->v)[0], (char **)arg->v);
-			fprintf(stderr, "dwm: execvp %s", ((char **)arg->v)[0]);
-			perror(" failed");
-		}
+		if(dpy)
+			close(ConnectionNumber(dpy));
+		setsid();
+		execvp(((char **)arg->v)[0], (char **)arg->v);
+		fprintf(stderr, "dwm: execvp %s", ((char **)arg->v)[0]);
+		perror(" failed");
 		exit(0);
 	}
-	wait(0);
 }
 
 void