From c6bbf229a6da26b8fa64faf30db747ee9d10bd7f Mon Sep 17 00:00:00 2001
From: Assar Westerlund <assar@sics.se>
Date: Mon, 30 Sep 1996 05:14:25 +0000
Subject: [PATCH] Now using SIGUSR1 to mean `exit when number of children goes
 down to zero'. SIGUSR2 is `exit when number of children is equal to zero'.

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@813 ec53bebd-3082-4978-b11e-865c3cabbd6b
---
 appl/kx/kx.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/appl/kx/kx.c b/appl/kx/kx.c
index 8ab64634d..435eea40e 100644
--- a/appl/kx/kx.c
+++ b/appl/kx/kx.c
@@ -43,6 +43,21 @@ usr1handler (int sig)
     SIGRETURN(0);
 }
 
+/*
+ * Almost the same as for SIGUSR1, except we should exit immediately
+ * if there are no active children.
+ */
+
+static RETSIGTYPE
+usr2handler (int sig)
+{
+    donep = 1;
+    if (nchild == 0)
+	exit (0);
+
+    SIGRETURN(0);
+}
+
 /*
  * Establish authenticated connection
  */
@@ -398,5 +413,6 @@ main(int argc, char **argv)
      passivep = 1;
      signal (SIGCHLD, childhandler);
      signal (SIGUSR1, usr1handler);
+     signal (SIGUSR2, usr2handler);
      return doit (argv[0], passivep, debugp);
 }