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glibc/glibc-rh784402.patch
Jeff Law 68357f8e9f - Fix first workday/weekday for it_IT (#622499) 
- Fix type to uint16_t based on upstream comments (729661)
  - Do not cache negative results in nscd if these are transient
    (#784402)
2012-01-24 21:23:41 -07:00

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commit 3e1aa84e7f9f38815f5db9cd7654b1a9497cf6e4
Author: Ulrich Drepper <drepper@gmail.com>
Date: Fri Jan 20 22:39:54 2012 -0500
Do not cache negative results in nscd if these are transient
diff --git a/nscd/aicache.c b/nscd/aicache.c
index aaaf80d..e1f1244 100644
--- a/nscd/aicache.c
+++ b/nscd/aicache.c
@@ -1,5 +1,5 @@
/* Cache handling for host lookup.
- Copyright (C) 2004-2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+ Copyright (C) 2004-2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
@@ -514,8 +514,9 @@ next_nip:
if (fd != -1)
TEMP_FAILURE_RETRY (send (fd, &notfound, total, MSG_NOSIGNAL));
- /* If we cannot permanently store the result, so be it. */
- if (__builtin_expect (db->negtimeout == 0, 0))
+ /* If we have a transient error or cannot permanently store the
+ result, so be it. */
+ if (rc4 == EAGAIN || __builtin_expect (db->negtimeout == 0, 0))
{
/* Mark the old entry as obsolete. */
if (dh != NULL)
diff --git a/nscd/grpcache.c b/nscd/grpcache.c
index e9607c6..a698f36 100644
--- a/nscd/grpcache.c
+++ b/nscd/grpcache.c
@@ -1,5 +1,5 @@
/* Cache handling for group lookup.
- Copyright (C) 1998-2008, 2009, 2011 Free Software Foundation, Inc.
+ Copyright (C) 1998-2008, 2009, 2011, 2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
@@ -120,8 +120,9 @@ cache_addgr (struct database_dyn *db, int fd, request_header *req,
else
written = total;
- /* If we cannot permanently store the result, so be it. */
- if (db->negtimeout == 0)
+ /* If we have a transient error or cannot permanently store
+ the result, so be it. */
+ if (errno == EAGAIN || __builtin_expect (db->negtimeout == 0, 0))
{
/* Mark the old entry as obsolete. */
if (dh != NULL)
diff --git a/nscd/hstcache.c b/nscd/hstcache.c
index 4d68ade..c72feaa 100644
--- a/nscd/hstcache.c
+++ b/nscd/hstcache.c
@@ -1,5 +1,5 @@
/* Cache handling for host lookup.
- Copyright (C) 1998-2008, 2009, 2011 Free Software Foundation, Inc.
+ Copyright (C) 1998-2008, 2009, 2011, 2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
@@ -141,8 +141,9 @@ cache_addhst (struct database_dyn *db, int fd, request_header *req,
MSG_NOSIGNAL)) != total)
all_written = false;
- /* If we cannot permanently store the result, so be it. */
- if (__builtin_expect (db->negtimeout == 0, 0))
+ /* If we have a transient error or cannot permanently store
+ the result, so be it. */
+ if (errval == EAGAIN || __builtin_expect (db->negtimeout == 0, 0))
{
/* Mark the old entry as obsolete. */
if (dh != NULL)
diff --git a/nscd/initgrcache.c b/nscd/initgrcache.c
index 4ac9942..2019991 100644
--- a/nscd/initgrcache.c
+++ b/nscd/initgrcache.c
@@ -1,5 +1,5 @@
/* Cache handling for host lookup.
- Copyright (C) 2004-2006, 2008, 2009, 2011 Free Software Foundation, Inc.
+ Copyright (C) 2004-2006, 2008, 2009, 2011, 2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
@@ -202,8 +202,9 @@ addinitgroupsX (struct database_dyn *db, int fd, request_header *req,
written = TEMP_FAILURE_RETRY (send (fd, &notfound, total,
MSG_NOSIGNAL));
- /* If we cannot permanently store the result, so be it. */
- if (__builtin_expect (db->negtimeout == 0, 0))
+ /* If we have a transient error or cannot permanently store
+ the result, so be it. */
+ if (all_tryagain || __builtin_expect (db->negtimeout == 0, 0))
{
/* Mark the old entry as obsolete. */
if (dh != NULL)
diff --git a/nscd/pwdcache.c b/nscd/pwdcache.c
index 49e130c..e2ba09d 100644
--- a/nscd/pwdcache.c
+++ b/nscd/pwdcache.c
@@ -1,5 +1,5 @@
/* Cache handling for passwd lookup.
- Copyright (C) 1998-2008, 2009, 2011 Free Software Foundation, Inc.
+ Copyright (C) 1998-2008, 2009, 2011, 2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
@@ -124,8 +124,9 @@ cache_addpw (struct database_dyn *db, int fd, request_header *req,
written = TEMP_FAILURE_RETRY (send (fd, &notfound, total,
MSG_NOSIGNAL));
- /* If we cannot permanently store the result, so be it. */
- if (__builtin_expect (db->negtimeout == 0, 0))
+ /* If we have a transient error or cannot permanently store
+ the result, so be it. */
+ if (errno == EAGAIN || __builtin_expect (db->negtimeout == 0, 0))
{
/* Mark the old entry as obsolete. */
if (dh != NULL)
diff --git a/nscd/servicescache.c b/nscd/servicescache.c
index d3d5dce..a6337e3 100644
--- a/nscd/servicescache.c
+++ b/nscd/servicescache.c
@@ -1,5 +1,5 @@
/* Cache handling for services lookup.
- Copyright (C) 2007, 2008, 2009, 2011 Free Software Foundation, Inc.
+ Copyright (C) 2007, 2008, 2009, 2011, 2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@drepper.com>, 2007.
@@ -108,8 +108,9 @@ cache_addserv (struct database_dyn *db, int fd, request_header *req,
written = TEMP_FAILURE_RETRY (send (fd, &notfound, total,
MSG_NOSIGNAL));
- /* If we cannot permanently store the result, so be it. */
- if (__builtin_expect (db->negtimeout == 0, 0))
+ /* If we have a transient error or cannot permanently store
+ the result, so be it. */
+ if (errval == EAGAIN || __builtin_expect (db->negtimeout == 0, 0))
{
/* Mark the old entry as obsolete. */
if (dh != NULL)
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