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authorBruce Momjian <bruce@momjian.us>2005-03-17 17:28:59 +0000
committerBruce Momjian <bruce@momjian.us>2005-03-17 17:28:59 +0000
commit7911e3a081ecebc116501da46806e32fa1a1c40a (patch)
tree364afc5717f218a34fbad9adadae74b7110d6329
parent89ea098714e0df3bc35f9a69c291666e77cd84ff (diff)
downloadpostgresql-7911e3a081ecebc116501da46806e32fa1a1c40a.tar.gz
postgresql-7911e3a081ecebc116501da46806e32fa1a1c40a.zip
Backpatch to 8.0.X, already in HEAD:
Allow Win32 to support the O_SYNC open flag as an wal_sync_method method.
-rw-r--r--src/include/port.h5
-rw-r--r--src/include/port/win32.h10
-rw-r--r--src/port/open.c8
3 files changed, 17 insertions, 6 deletions
diff --git a/src/include/port.h b/src/include/port.h
index 54984fe437c..6e5443294e9 100644
--- a/src/include/port.h
+++ b/src/include/port.h
@@ -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,...);
diff --git a/src/include/port/win32.h b/src/include/port/win32.h
index 9049fb4327f..f93058edc07 100644
--- a/src/include/port/win32.h
+++ b/src/include/port/win32.h
@@ -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
@@ -184,6 +184,14 @@ 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>.
*/
#undef EAGAIN
diff --git a/src/port/open.c b/src/port/open.c
index b61b66f493e..3ff6b0e2dda 100644
--- a/src/port/open.c
+++ b/src/port/open.c
@@ -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())