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nscd cleanups

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Cleanup and optimize last patch.  Add timeout fixes also to the
services cache.
This commit is contained in:
Ulrich Drepper 2011-07-01 23:02:09 -04:00
parent 445b4a53ea
commit 99231d9abe
6 changed files with 30 additions and 12 deletions
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9
ChangeLog
View File

@ -1,3 +1,12 @@
2011-07-01 Ulrich Drepper <drepper@gmail.com>
* nscd/pwdcache.c (cache_addpw): Cleanup. Add branch prediction.
* nscd/initgrcache.c (addinitgroupsX): Likewise.
* nscd/hstcache.c (cache_addhst): Likewise.
* nscd/grpcache.c (cache_addgr): Likewise.
* nscd/aicache.c (addhstaiX): Likewise
* nscd/servicescache.c (cache_addserv): Handle zero negtimeout.
2011-07-01 Thorsten Kukuk <kukuk@suse.de>
* nscd/pwdcache.c (cache_addpw): Handle zero negtimeout.

5
nscd/aicache.c
View File

@ -512,14 +512,15 @@ next_nip:
TEMP_FAILURE_RETRY (send (fd, &notfound, total, MSG_NOSIGNAL));
/* If we cannot permanently store the result, so be it. */
if (db->negtimeout == 0)
if (__builtin_expect (db->negtimeout == 0, 0))
{
/* Mark the old entry as obsolete. */
if (dh != NULL)
dh->usable = false;
dataset = NULL;
}
else if ((dataset = mempool_alloc (db, sizeof (struct dataset) + req->key_len, 1)) != NULL)
else if ((dataset = mempool_alloc (db, (sizeof (struct dataset)
+ req->key_len), 1)) != NULL)
{
dataset->head.allocsize = sizeof (struct dataset) + req->key_len;
dataset->head.recsize = total;

5
nscd/hstcache.c
View File

@ -142,13 +142,14 @@ cache_addhst (struct database_dyn *db, int fd, request_header *req,
all_written = false;
/* If we cannot permanently store the result, so be it. */
if (db->negtimeout == 0)
if (__builtin_expect (db->negtimeout == 0, 0))
{
/* Mark the old entry as obsolete. */
if (dh != NULL)
dh->usable = false;
}
else if ((dataset = mempool_alloc (db, sizeof (struct dataset) + req->key_len, 1)) != NULL)
else if ((dataset = mempool_alloc (db, (sizeof (struct dataset)
+ req->key_len), 1)) != NULL)
{
dataset->head.allocsize = sizeof (struct dataset) + req->key_len;
dataset->head.recsize = total;

7
nscd/initgrcache.c
View File

@ -1,5 +1,5 @@
/* Cache handling for host lookup.
Copyright (C) 2004, 2005, 2006, 2008, 2009, 2011 Free Software Foundation, Inc.
Copyright (C) 2004-2006, 2008, 2009, 2011 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
@ -203,13 +203,14 @@ addinitgroupsX (struct database_dyn *db, int fd, request_header *req,
MSG_NOSIGNAL));
/* If we cannot permanently store the result, so be it. */
if (db->negtimeout == 0)
if (__builtin_expect (db->negtimeout == 0, 0))
{
/* Mark the old entry as obsolete. */
if (dh != NULL)
dh->usable = false;
}
else if ((dataset = mempool_alloc (db, sizeof (struct dataset) + req->key_len, 1)) != NULL)
else if ((dataset = mempool_alloc (db, (sizeof (struct dataset)
+ req->key_len), 1)) != NULL)
{
dataset->head.allocsize = sizeof (struct dataset) + req->key_len;
dataset->head.recsize = total;

5
nscd/pwdcache.c
View File

@ -125,13 +125,14 @@ cache_addpw (struct database_dyn *db, int fd, request_header *req,
MSG_NOSIGNAL));
/* If we cannot permanently store the result, so be it. */
if (db->negtimeout == 0)
if (__builtin_expect (db->negtimeout == 0, 0))
{
/* Mark the old entry as obsolete. */
if (dh != NULL)
dh->usable = false;
}
else if ((dataset = mempool_alloc (db, sizeof (struct dataset) + req->key_len, 1)) != NULL)
else if ((dataset = mempool_alloc (db, (sizeof (struct dataset)
+ req->key_len), 1)) != NULL)
{
dataset->head.allocsize = sizeof (struct dataset) + req->key_len;
dataset->head.recsize = total;

11
nscd/servicescache.c
View File

@ -108,10 +108,15 @@ cache_addserv (struct database_dyn *db, int fd, request_header *req,
written = TEMP_FAILURE_RETRY (send (fd, &notfound, total,
MSG_NOSIGNAL));
dataset = mempool_alloc (db, sizeof (struct dataset) + req->key_len,
1);
/* If we cannot permanently store the result, so be it. */
if (dataset != NULL)
if (__builtin_expect (db->negtimeout == 0, 0))
{
/* Mark the old entry as obsolete. */
if (dh != NULL)
dh->usable = false;
}
else if ((dataset = mempool_alloc (db, (sizeof (struct dataset)
+ req->key_len), 1)) != NULL)
{
dataset->head.allocsize = sizeof (struct dataset) + req->key_len;
dataset->head.recsize = total;