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* ntdll.h (SharedUserData): Add volatile qualifier. This fixes a 

possible infinite loop in hires_ms::timeGetTime_ns.
This commit is contained in:
Corinna Vinschen 2012-03-20 18:01:09 +00:00
parent 1fb6667f1c
commit 8ea7221511
3 changed files with 17 additions and 6 deletions
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10
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,13 @@
2012-03-20 Christian Franke <franke@computer.org>
* ntdll.h (SharedUserData): Add volatile qualifier. This fixes a
possible infinite loop in hires_ms::timeGetTime_ns.
2012-03-20 Corinna Vinschen <corinna@vinschen.de>
* include/cygwin/socket.h: Fix definitions of MCAST_INCLUDE and
MCAST_EXCLUDE.
2012-03-20 Christopher Faylor <me.cygwin2012@cgf.cx>
* child_info.h (CURR_CHILD_INFO_MAGIC): Reset.

6
winsup/cygwin/include/cygwin/socket.h
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@ -1,6 +1,6 @@
/* cygwin/socket.h
Copyright 1999, 2000, 2001, 2005, 2006, 2007, 2009, 2010 Red Hat, Inc.
Copyright 1999, 2000, 2001, 2005, 2006, 2007, 2009, 2010, 2012 Red Hat, Inc.
This file is part of Cygwin.
@ -269,8 +269,8 @@ struct OLD_msghdr
#define MCAST_JOIN_SOURCE_GROUP 45
#define MCAST_LEAVE_SOURCE_GROUP 46
#define MCAST_EXCLUDE 0
#define MCAST_INCLUDE 1
#define MCAST_INCLUDE 0
#define MCAST_EXCLUDE 1
/* Old WinSock1 values, needed internally */
#ifdef __INSIDE_CYGWIN__

7
winsup/cygwin/ntdll.h
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@ -1106,9 +1106,10 @@ typedef VOID (APIENTRY *PTIMER_APC_ROUTINE)(PVOID, ULONG, ULONG);
#ifdef __cplusplus
/* This is the mapping of the KUSER_SHARED_DATA structure into the 32 bit
user address space. We need it here to access the current DismountCount. */
static KUSER_SHARED_DATA &SharedUserData
= *(volatile PKUSER_SHARED_DATA) 0x7ffe0000;
user address space. We need it here to access the current DismountCount
and InterruptTime. */
static volatile KUSER_SHARED_DATA &SharedUserData
= *(volatile KUSER_SHARED_DATA *) 0x7ffe0000;
extern "C"
{