From 1dc5147efbd20d1d38e1a9b9a6fd49d53de74af5 Mon Sep 17 00:00:00 2001
From: Simon Tatham <anakin@pobox.com>
Date: Mon, 25 Sep 2000 10:56:56 +0000
Subject: [PATCH] Pageant now detects if it is already running and refuses to
 start if so

[originally from svn r624]
---
 pageant.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/pageant.c b/pageant.c
index 16197490..f8d7ad2d 100644
--- a/pageant.c
+++ b/pageant.c
@@ -545,6 +545,15 @@ int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show) {
     WNDCLASS wndclass;
     MSG msg;
 
+    /*
+     * First bomb out totally if we are already running.
+     */
+    if (FindWindow("Pageant", "Pageant")) {
+        MessageBox(NULL, "Pageant is already running", "Pageant Error",
+                   MB_ICONERROR | MB_OK);
+        return 0;
+    }
+
     instance = inst;
 
     if (!prev) {