Test for POSIX_FADV_DONTNEED to use posix_fadvise().

bmomjian · bmomjian · commit 40bc06fa1655 · 2006-06-16T04:11:48.000Z
diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $PostgreSQL: pgsql/src/backend/access/transam/xlog.c,v 1.238 2006/06/15 19:15:00 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/access/transam/xlog.c,v 1.239 2006/06/16 04:11:48 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -2147,7 +2147,7 @@ XLogFileClose(void)
 {
 	Assert(openLogFile >= 0);
 
-#ifdef _POSIX_ADVISORY_INFO
+#ifdef POSIX_FADV_DONTNEED
 	/*
 	 * WAL caches will not be accessed in the future, so we advise OS to
 	 * free them. But we will not do so if WAL archiving is active,

Original file line number	Diff line number	Diff line change
`@@ -7,7 +7,7 @@`
`7`	`7`	`* Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group`
`8`	`8`	`* Portions Copyright (c) 1994, Regents of the University of California`
`9`	`9`	`*`
`10`		`- * $PostgreSQL: pgsql/src/backend/access/transam/xlog.c,v 1.238 2006/06/15 19:15:00 momjian Exp $`
	`10`	`+ * $PostgreSQL: pgsql/src/backend/access/transam/xlog.c,v 1.239 2006/06/16 04:11:48 momjian Exp $`
`11`	`11`	`*`
`12`	`12`	`*-------------------------------------------------------------------------`
`13`	`13`	`*/`
`@@ -2147,7 +2147,7 @@ XLogFileClose(void)`
`2147`	`2147`	`{`
`2148`	`2148`	`Assert(openLogFile >= 0);`
`2149`	`2149`
`2150`		`-#ifdef _POSIX_ADVISORY_INFO`
	`2150`	`+#ifdef POSIX_FADV_DONTNEED`
`2151`	`2151`	`/*`
`2152`	`2152`	`* WAL caches will not be accessed in the future, so we advise OS to`
`2153`	`2153`	`* free them. But we will not do so if WAL archiving is active,`