diff options
Diffstat (limited to 'lib/hostip.c')
| -rw-r--r-- | lib/hostip.c | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/lib/hostip.c b/lib/hostip.c index 3765ca1cd..c137a19c3 100644 --- a/lib/hostip.c +++ b/lib/hostip.c @@ -5,7 +5,7 @@ * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * - * Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al. + * Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al. * * This software is licensed as described in the file COPYING, which * you should have received as part of this distribution. The terms @@ -681,12 +681,14 @@ clean_up: * Curl_resolv_unlock() unlocks the given cached DNS entry. When this has been * made, the struct may be destroyed due to pruning. It is important that only * one unlock is made for each Curl_resolv() call. + * + * May be called with 'data' == NULL for global cache. */ void Curl_resolv_unlock(struct SessionHandle *data, struct Curl_dns_entry *dns) { DEBUGASSERT(dns && (dns->inuse>0)); - if(data->share) + if(data && data->share) Curl_share_lock(data, CURL_LOCK_DATA_DNS, CURL_LOCK_ACCESS_SINGLE); dns->inuse--; @@ -697,7 +699,7 @@ void Curl_resolv_unlock(struct SessionHandle *data, struct Curl_dns_entry *dns) free(dns); } - if(data->share) + if(data && data->share) Curl_share_unlock(data, CURL_LOCK_DATA_DNS); } @@ -734,22 +736,23 @@ static int hostcache_inuse(void *data, void *hc) return 1; /* free all entries */ } -void Curl_hostcache_clean(struct SessionHandle *data) +/* + * Curl_hostcache_clean() + * + * This _can_ be called with 'data' == NULL but then of course no locking + * can be done! + */ + +void Curl_hostcache_clean(struct SessionHandle *data, + struct curl_hash *hash) { /* Entries added to the hostcache with the CURLOPT_RESOLVE function are * still present in the cache with the inuse counter set to 1. Detect them * and cleanup! */ - Curl_hash_clean_with_criterium(data->dns.hostcache, data, hostcache_inuse); + Curl_hash_clean_with_criterium(hash, data, hostcache_inuse); } -void Curl_hostcache_destroy(struct SessionHandle *data) -{ - Curl_hostcache_clean(data); - Curl_hash_destroy(data->dns.hostcache); - data->dns.hostcachetype = HCACHE_NONE; - data->dns.hostcache = NULL; -} CURLcode Curl_loadhostpairs(struct SessionHandle *data) { |