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* mmap.cc (fhandler_dev_zero::mmap): Call VirtualFree(MEM_RELEASE)

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with zero length parameter, otherwise it fails.
	(fhandler_dev_zero::munmap): Ditto.
This commit is contained in:
Corinna Vinschen 2005-12-19 15:25:23 +00:00
parent 1219debe0c
commit edd79f2da4
2 changed files with 8 additions and 2 deletions
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6
winsup/cygwin/ChangeLog
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@ -1,3 +1,9 @@
2005-12-19 Corinna Vinschen <corinna@vinschen.de>
* mmap.cc (fhandler_dev_zero::mmap): Call VirtualFree(MEM_RELEASE)
with zero length parameter, otherwise it fails.
(fhandler_dev_zero::munmap): Ditto.
2005-12-18 Christopher Faylor <cgf@timesys.com> 2005-12-18 Christopher Faylor <cgf@timesys.com>
* fhandler.h (fhandler_console::invisible_console): Declare new * fhandler.h (fhandler_console::invisible_console): Declare new

4
winsup/cygwin/mmap.cc
View File

@ -1629,7 +1629,7 @@ fhandler_dev_zero::mmap (caddr_t *addr, size_t len, int prot,
__seterrno (); __seterrno ();
else else
{ {
VirtualFree (base, len, MEM_RELEASE); VirtualFree (base, 0, MEM_RELEASE);
set_errno (EINVAL); set_errno (EINVAL);
debug_printf ("VirtualAlloc: address shift with MAP_FIXED given"); debug_printf ("VirtualAlloc: address shift with MAP_FIXED given");
} }
@ -1671,7 +1671,7 @@ int
fhandler_dev_zero::munmap (HANDLE h, caddr_t addr, size_t len) fhandler_dev_zero::munmap (HANDLE h, caddr_t addr, size_t len)
{ {
if (h == (HANDLE) 1) /* See fhandler_dev_zero::mmap. */ if (h == (HANDLE) 1) /* See fhandler_dev_zero::mmap. */
VirtualFree (addr, len, MEM_RELEASE); VirtualFree (addr, 0, MEM_RELEASE);
else else
{ {
UnmapViewOfFile (addr); UnmapViewOfFile (addr);