reap children

[infinity0]

The Debian version has had this patch for a while, which fixes a bug where knockd keeps a lot of children around.

--- a/src/knockd.c
+++ b/src/knockd.c
@@ -367,8 +367,9 @@

 void child_exit(int signum)
 {
-   /* child wants to exit, let em die */
-   wait(NULL);
+   int status;
+
+   while ( waitpid( (pid_t)-1, &status, WNOHANG ) > 0 ) continue;
    return;
 }

[jvinet]

Merged PR