diff options
| -rw-r--r-- | ChangeLog | 8 | ||||
| -rw-r--r-- | NEWS | 12 | ||||
| -rw-r--r-- | nscd/hstcache.c | 27 |
3 files changed, 37 insertions, 10 deletions
diff --git a/ChangeLog b/ChangeLog index 08c3535849..b55aaacf4c 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,11 @@ +2011-01-15 Ulrich Drepper <drepper@gmail.com> + + [BZ #6812] + * nscd/hstcache.c (tryagain): Define. + (cache_addhst): Return tryagain not notfound for temporary errors. + (addhstbyX): Also set h_errno to TRY_AGAIN when memory allocation + failed. + 2011-01-14 Ulrich Drepper <drepper@gmail.com> [BZ #10563] diff --git a/NEWS b/NEWS index 01984f632d..7444b9de6b 100644 --- a/NEWS +++ b/NEWS @@ -1,4 +1,4 @@ -GNU C Library NEWS -- history of user-visible changes. 2011-1-14 +GNU C Library NEWS -- history of user-visible changes. 2011-1-15 Copyright (C) 1992-2009, 2010, 2011 Free Software Foundation, Inc. See the end for copying conditions. @@ -9,11 +9,11 @@ Version 2.13 * The following bugs are resolved with this release: - 3268, 7066, 10085, 10484, 10563, 10851, 11149, 11155, 11611, 11640, 11655, - 11701, 11840, 11856, 11883, 11903, 11904, 11968, 11979, 12005, 12037, - 12067, 12077, 12078, 12092, 12093, 12107, 12108, 12113, 12140, 12159, - 12167, 12191, 12194, 12201, 12204, 12205, 12207, 12348, 12378, 12394, - 12397 + 3268, 6812, 7066, 10085, 10484, 10563, 10851, 11149, 11155, 11611, 11640, + 11655, 11701, 11840, 11856, 11883, 11903, 11904, 11968, 11979, 12005, + 12037, 12067, 12077, 12078, 12092, 12093, 12107, 12108, 12113, 12140, + 12159, 12167, 12191, 12194, 12201, 12204, 12205, 12207, 12348, 12378, + 12394, 12397 * New Linux interfaces: prlimit, prlimit64, fanotify_init, fanotify_mark diff --git a/nscd/hstcache.c b/nscd/hstcache.c index 228f6fd8ab..a6055cf998 100644 --- a/nscd/hstcache.c +++ b/nscd/hstcache.c @@ -1,5 +1,5 @@ /* Cache handling for host lookup. - Copyright (C) 1998-2008, 2009 Free Software Foundation, Inc. + Copyright (C) 1998-2008, 2009, 2011 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. @@ -77,6 +77,20 @@ static const hst_response_header notfound = }; +/* This is the standard reply in case there are temporary problems. */ +static const hst_response_header tryagain = +{ + .version = NSCD_VERSION, + .found = 0, + .h_name_len = 0, + .h_aliases_cnt = 0, + .h_addrtype = -1, + .h_length = -1, + .h_addr_list_cnt = 0, + .error = TRY_AGAIN +}; + + static void cache_addhst (struct database_dyn *db, int fd, request_header *req, const void *key, struct hostent *hst, uid_t owner, @@ -111,11 +125,15 @@ cache_addhst (struct database_dyn *db, int fd, request_header *req, else { /* We have no data. This means we send the standard reply for this - case. */ + case. Possibly this is only temporary. */ ssize_t total = sizeof (notfound); + assert (sizeof (notfound) == sizeof (tryagain)); + + const hst_response_header *resp = (errval == EAGAIN + ? &tryagain : ¬found); if (fd != -1 && - TEMP_FAILURE_RETRY (send (fd, ¬found, total, + TEMP_FAILURE_RETRY (send (fd, resp, total, MSG_NOSIGNAL)) != total) all_written = false; @@ -135,7 +153,7 @@ cache_addhst (struct database_dyn *db, int fd, request_header *req, ? db->negtimeout : ttl); /* This is the reply. */ - memcpy (&dataset->resp, ¬found, total); + memcpy (&dataset->resp, resp, total); /* Copy the key data. */ memcpy (dataset->strdata, key, req->key_len); @@ -490,6 +508,7 @@ addhstbyX (struct database_dyn *db, int fd, request_header *req, /* We set the error to indicate this is (possibly) a temporary error and that it does not mean the entry is not available at all. */ + h_errno = TRY_AGAIN; errval = EAGAIN; break; } |