call waitpid until no more children to wait for (thanks Devin/dlab).

ChangeLog

@@ -1,5 +1,9 @@
  (Format: Year/Month/Day)
 Changes for 1.0rc2:
+*06/07/03:
+   * call waitpid() on SIGCHLD until no more children (thanks Devin/dlab)
+     sf.net #1514843, #1447782 - fluxbox leaves zombies
+     fluxbox.cc
 *06/07/02:
    * Updated documentation (Mark)
 *06/06/29:

src/fluxbox.cc

@@ -1135,7 +1135,8 @@ void Fluxbox::handleSignal(int signum) {
 
     switch (signum) {
     case SIGCHLD: // we don't want the child process to kill us
-        waitpid(-1, 0, WNOHANG | WUNTRACED);
+        // more than one process may have terminated
+        while (waitpid(-1, 0, WNOHANG | WUNTRACED) > 0);
         break;
     case SIGHUP:
         restart();