From 0ae44152b70bbc303868bb1966f6acaaf99d6544 Mon Sep 17 00:00:00 2001
From: "Asanka C. Herath" <asanka@secure-endpoints.com>
Date: Mon, 22 Nov 2010 15:01:41 -0500
Subject: [PATCH] Windows: Set error mode before calling LoadLibrary()

Unless SEM_FAILCRITICALERRORS is set, Windows may pop-up a dialog box
if the specified module cannot be loaded.  This is not appropriate for
unattended or batch processes.
---
 lib/roken/dlfcn_w32.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/roken/dlfcn_w32.c b/lib/roken/dlfcn_w32.c
index d7eab07c2..9379661df 100644
--- a/lib/roken/dlfcn_w32.c
+++ b/lib/roken/dlfcn_w32.c
@@ -134,6 +134,7 @@ ROKEN_LIB_FUNCTION void  * ROKEN_LIB_CALL
 dlopen(const char *fn, int flags)
 {
     HMODULE hm;
+    UINT    old_error_mode;
 
     /* We don't support dlopen(0, ...) on Windows.*/
     if ( fn == NULL ) {
@@ -141,12 +142,16 @@ dlopen(const char *fn, int flags)
 	return NULL;
     }
 
+    old_error_mode = SetErrorMode(SEM_FAILCRITICALERRORS);
+
     hm = LoadLibrary(fn);
 
     if (hm == NULL) {
 	set_error_from_last();
     }
 
+    SetErrorMode(old_error_mode);
+
     return (void *) hm;
 }