From f30e1877b2402f9a92c6c1db12fed05b88ebaba1 Mon Sep 17 00:00:00 2001
From: usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 27 Oct 2010 06:08:37 +0000
Subject: * thread_win32.c (w32_error): should get error no only once, because 
  the result of the second getting will indicate the error of the   first
 FormatMessage() call.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29609 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 thread_win32.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'thread_win32.c')

diff --git a/thread_win32.c b/thread_win32.c
index d9f006a995..dc0b236328 100644
--- a/thread_win32.c
+++ b/thread_win32.c
@@ -67,18 +67,19 @@ static void
 w32_error(const char *func)
 {
     LPVOID lpMsgBuf;
+    DWORD err = GetLastError();
     if (FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
 		      FORMAT_MESSAGE_FROM_SYSTEM |
 		      FORMAT_MESSAGE_IGNORE_INSERTS,
 		      NULL,
-		      GetLastError(),
+		      err,
 		      MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US),
 		      (LPTSTR) & lpMsgBuf, 0, NULL) == 0)
 	FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
 		      FORMAT_MESSAGE_FROM_SYSTEM |
 		      FORMAT_MESSAGE_IGNORE_INSERTS,
 		      NULL,
-		      GetLastError(),
+		      err,
 		      MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
 		      (LPTSTR) & lpMsgBuf, 0, NULL);
     rb_bug("%s: %s", func, (char*)lpMsgBuf);
-- 
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