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Backpatch to 8.0.X, already in HEAD:

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Allow Win32 to support the O_SYNC open flag as an wal_sync_method
method.
This commit is contained in:
Bruce Momjian 2005-03-17 17:28:59 +00:00
parent 89ea098714
commit 7911e3a081
3 changed files with 17 additions and 6 deletions
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5
src/include/port.h
View File

@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/port.h,v 1.69 2005/01/06 00:59:25 tgl Exp $
* $PostgreSQL: pgsql/src/include/port.h,v 1.69.4.1 2005/03/17 17:28:58 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -174,7 +174,8 @@ extern bool rmtree(char *path, bool rmtopdir);
#if defined(WIN32) && !defined(__CYGWIN__)
/* open() replacement to allow delete of held files */
/* open() replacement to allow delete of held files and passing
* of special options. */
#ifndef WIN32_CLIENT_ONLY
extern int win32_open(const char *, int,...);

10
src/include/port/win32.h
View File

@ -1,4 +1,4 @@
/* $PostgreSQL: pgsql/src/include/port/win32.h,v 1.42 2004/12/26 19:20:33 tgl Exp $ */
/* $PostgreSQL: pgsql/src/include/port/win32.h,v 1.42.4.1 2005/03/17 17:28:59 momjian Exp $ */
/* undefine and redefine after #include */
#undef mkdir
@ -183,6 +183,14 @@ typedef int pid_t;
*/
#define lstat(path, sb) stat((path), (sb))
/*
* Supplement to <fcntl.h>.
* This is the same value as _O_NOINHERIT in the MS header file. This is
* to ensure that we don't collide with a future definition. It means
* we cannot use _O_NOINHERIT ourselves.
*/
#define O_SYNC 0x0080
/*
* Supplement to <errno.h>.
*/

8
src/port/open.c
View File

@ -6,13 +6,14 @@
*
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/port/open.c,v 1.7 2004/12/31 22:03:53 pgsql Exp $
* $PostgreSQL: pgsql/src/port/open.c,v 1.7.4.1 2005/03/17 17:28:59 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifdef WIN32
#include <postgres.h>
#include <windows.h>
#include <fcntl.h>
#include <errno.h>
@ -62,7 +63,7 @@ win32_open(const char *fileName, int fileFlags,...)
/* Check that we can handle the request */
assert((fileFlags & ((O_RDONLY | O_WRONLY | O_RDWR) | O_APPEND |
(O_RANDOM | O_SEQUENTIAL | O_TEMPORARY) |
_O_SHORT_LIVED |
_O_SHORT_LIVED | O_SYNC |
(O_CREAT | O_TRUNC | O_EXCL) | (O_TEXT | O_BINARY))) == fileFlags);
sa.nLength = sizeof(sa);
@ -81,7 +82,8 @@ win32_open(const char *fileName, int fileFlags,...)
((fileFlags & O_RANDOM) ? FILE_FLAG_RANDOM_ACCESS : 0) |
((fileFlags & O_SEQUENTIAL) ? FILE_FLAG_SEQUENTIAL_SCAN : 0) |
((fileFlags & _O_SHORT_LIVED) ? FILE_ATTRIBUTE_TEMPORARY : 0) |
((fileFlags & O_TEMPORARY) ? FILE_FLAG_DELETE_ON_CLOSE : 0),
((fileFlags & O_TEMPORARY) ? FILE_FLAG_DELETE_ON_CLOSE : 0)|
((fileFlags & O_SYNC) ? FILE_FLAG_WRITE_THROUGH : 0),
NULL)) == INVALID_HANDLE_VALUE)
{
switch (GetLastError())