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* devices.in: Fix native name of /dev/kmem. 

* devices.cc: Regenerate.
	* dtable.cc (fh_alloc): Don't forget FH_KMEM.
	* fhandler_mem.cc (fhandler_dev_mem::open): Set errno to EACCES rather
	than ENOENT on systems not granting access to physical memory from
	user space.
This commit is contained in:
Corinna Vinschen 2012-05-22 17:37:40 +00:00
parent 6014310903
commit 73447abbb6
5 changed files with 14 additions and 4 deletions
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9
winsup/cygwin/ChangeLog
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@ -1,3 +1,12 @@
2012-05-22 Corinna Vinschen <corinna@vinschen.de>
* devices.in: Fix native name of /dev/kmem.
* devices.cc: Regenerate.
* dtable.cc (fh_alloc): Don't forget FH_KMEM.
* fhandler_mem.cc (fhandler_dev_mem::open): Set errno to EACCES rather
than ENOENT on systems not granting access to physical memory from
user space.
2012-05-22 Corinna Vinschen <corinna@vinschen.de> 2012-05-22 Corinna Vinschen <corinna@vinschen.de>
* thread.cc (pthread::cancel): Set thread's cancel_event in * thread.cc (pthread::cancel): Set thread's cancel_event in

2
winsup/cygwin/devices.cc
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@ -244,7 +244,7 @@ const _RDATA device dev_storage[] =
{"/dev/fd14", BRACK(FHDEV(DEV_FLOPPY_MAJOR, 14)), "\\Device\\Floppy14", exists_ntdev, S_IFBLK, true}, {"/dev/fd14", BRACK(FHDEV(DEV_FLOPPY_MAJOR, 14)), "\\Device\\Floppy14", exists_ntdev, S_IFBLK, true},
{"/dev/fd15", BRACK(FHDEV(DEV_FLOPPY_MAJOR, 15)), "\\Device\\Floppy15", exists_ntdev, S_IFBLK, true}, {"/dev/fd15", BRACK(FHDEV(DEV_FLOPPY_MAJOR, 15)), "\\Device\\Floppy15", exists_ntdev, S_IFBLK, true},
{"/dev/full", BRACK(FH_FULL), "/dev/full", exists, S_IFCHR, true}, {"/dev/full", BRACK(FH_FULL), "/dev/full", exists, S_IFCHR, true},
{"/dev/kmem", BRACK(FH_KMEM), "/dev/mem", exists, S_IFCHR, true}, {"/dev/kmem", BRACK(FH_KMEM), "/dev/kmem", exists, S_IFCHR, true},
{"/dev/kmsg", BRACK(FH_KMSG), "\\Device\\MailSlot\\cygwin\\dev\\kmsg", exists_ntdev, S_IFCHR, true}, {"/dev/kmsg", BRACK(FH_KMSG), "\\Device\\MailSlot\\cygwin\\dev\\kmsg", exists_ntdev, S_IFCHR, true},
{"/dev/mem", BRACK(FH_MEM), "/dev/mem", exists, S_IFCHR, true}, {"/dev/mem", BRACK(FH_MEM), "/dev/mem", exists, S_IFCHR, true},
{"/dev/nst0", BRACK(FHDEV(DEV_TAPE_MAJOR, 128)), "\\Device\\Tape0", exists_ntdev, S_IFBLK, true}, {"/dev/nst0", BRACK(FHDEV(DEV_TAPE_MAJOR, 128)), "\\Device\\Tape0", exists_ntdev, S_IFBLK, true},

2
winsup/cygwin/devices.in
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@ -157,7 +157,7 @@ const device dev_error_storage =
"/dev/random", BRACK(FH_RANDOM), "/dev/random", exists, S_IFCHR "/dev/random", BRACK(FH_RANDOM), "/dev/random", exists, S_IFCHR
"/dev/urandom", BRACK(FH_URANDOM), "/dev/urandom", exists, S_IFCHR, =urandom_dev "/dev/urandom", BRACK(FH_URANDOM), "/dev/urandom", exists, S_IFCHR, =urandom_dev
"/dev/mem", BRACK(FH_MEM), "/dev/mem", exists, S_IFCHR "/dev/mem", BRACK(FH_MEM), "/dev/mem", exists, S_IFCHR
"/dev/kmem", BRACK(FH_KMEM), "/dev/mem", exists, S_IFCHR "/dev/kmem", BRACK(FH_KMEM), "/dev/kmem", exists, S_IFCHR
"/dev/clipboard", BRACK(FH_CLIPBOARD), "/dev/clipboard", exists, S_IFCHR "/dev/clipboard", BRACK(FH_CLIPBOARD), "/dev/clipboard", exists, S_IFCHR
"/dev/port", BRACK(FH_PORT), "/dev/port", exists, S_IFCHR "/dev/port", BRACK(FH_PORT), "/dev/port", exists, S_IFCHR
"/dev/com%(1-16)d", BRACK(FHDEV(DEV_SERIAL_MAJOR, {$1 - 1})), "\\??\\COM{$1}", exists_ntdev_silent, S_IFCHR "/dev/com%(1-16)d", BRACK(FHDEV(DEV_SERIAL_MAJOR, {$1 - 1})), "\\??\\COM{$1}", exists_ntdev_silent, S_IFCHR

1
winsup/cygwin/dtable.cc
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@ -530,6 +530,7 @@ fh_alloc (path_conv& pc)
fh = cnew (fhandler_dev_random); fh = cnew (fhandler_dev_random);
break; break;
case FH_MEM: case FH_MEM:
case FH_KMEM:
case FH_PORT: case FH_PORT:
fh = cnew (fhandler_dev_mem); fh = cnew (fhandler_dev_mem);
break; break;

4
winsup/cygwin/fhandler_mem.cc
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@ -1,7 +1,7 @@
/* fhandler_mem.cc. See fhandler.h for a description of the fhandler classes. /* fhandler_mem.cc. See fhandler.h for a description of the fhandler classes.
Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2008, 2009, Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2008, 2009,
2010, 2011 Red Hat, Inc. 2010, 2011, 2012 Red Hat, Inc.
This file is part of Cygwin. This file is part of Cygwin.
@ -36,7 +36,7 @@ fhandler_dev_mem::open (int flags, mode_t)
if (!wincap.has_physical_mem_access ()) if (!wincap.has_physical_mem_access ())
{ {
set_errno (ENOENT); set_errno (EACCES);
debug_printf ("%s is accessible under NT4/W2K/XP only", dev ().name); debug_printf ("%s is accessible under NT4/W2K/XP only", dev ().name);
return 0; return 0;
} }