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Allow Win32 to support the O_SYNC open flag as an wal_sync_method method. 

Magnus Hagander
This commit is contained in:
Bruce Momjian 2005-02-27 00:53:29 +00:00
parent 234d50812c
commit afbc30e5d4
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) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California * 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 1.70 2005/02/27 00:53:29 momjian Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -174,7 +174,8 @@ extern bool rmtree(char *path, bool rmtopdir);
#if defined(WIN32) && !defined(__CYGWIN__) #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 #ifndef WIN32_CLIENT_ONLY
extern int win32_open(const char *, int,...); 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 1.43 2005/02/27 00:53:29 momjian Exp $ */
/* undefine and redefine after #include */ /* undefine and redefine after #include */
#undef mkdir #undef mkdir
@ -183,6 +183,14 @@ typedef int pid_t;
*/ */
#define lstat(path, sb) stat((path), (sb)) #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>. * Supplement to <errno.h>.
*/ */

8
src/port/open.c
View File

@ -6,13 +6,14 @@
* *
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group * 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 1.8 2005/02/27 00:53:29 momjian Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
#ifdef WIN32 #ifdef WIN32
#include <postgres.h>
#include <windows.h> #include <windows.h>
#include <fcntl.h> #include <fcntl.h>
#include <errno.h> #include <errno.h>
@ -62,7 +63,7 @@ win32_open(const char *fileName, int fileFlags,...)
/* Check that we can handle the request */ /* Check that we can handle the request */
assert((fileFlags & ((O_RDONLY | O_WRONLY | O_RDWR) | O_APPEND | assert((fileFlags & ((O_RDONLY | O_WRONLY | O_RDWR) | O_APPEND |
(O_RANDOM | O_SEQUENTIAL | O_TEMPORARY) | (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); (O_CREAT | O_TRUNC | O_EXCL) | (O_TEXT | O_BINARY))) == fileFlags);
sa.nLength = sizeof(sa); 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_RANDOM) ? FILE_FLAG_RANDOM_ACCESS : 0) |
((fileFlags & O_SEQUENTIAL) ? FILE_FLAG_SEQUENTIAL_SCAN : 0) | ((fileFlags & O_SEQUENTIAL) ? FILE_FLAG_SEQUENTIAL_SCAN : 0) |
((fileFlags & _O_SHORT_LIVED) ? FILE_ATTRIBUTE_TEMPORARY : 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) NULL)) == INVALID_HANDLE_VALUE)
{ {
switch (GetLastError()) switch (GetLastError())