diff options
Diffstat (limited to 'lib/conncache.h')
| -rw-r--r-- | lib/conncache.h | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/lib/conncache.h b/lib/conncache.h index 35be9e0..e3e4c9c 100644 --- a/lib/conncache.h +++ b/lib/conncache.h @@ -7,7 +7,7 @@ * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * - * Copyright (C) 2015 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al. + * Copyright (C) 2015 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al. * Copyright (C) 2012 - 2014, Linus Nielsen Feltzing, <linus@haxx.se> * * This software is licensed as described in the file COPYING, which @@ -42,6 +42,27 @@ struct conncache { #define BUNDLE_UNKNOWN 0 /* initial value */ #define BUNDLE_MULTIPLEX 2 +#ifdef CURLDEBUG +/* the debug versions of these macros make extra certain that the lock is + never doubly locked or unlocked */ +#define CONN_LOCK(x) if((x)->share) { \ + Curl_share_lock((x), CURL_LOCK_DATA_CONNECT, CURL_LOCK_ACCESS_SINGLE); \ + DEBUGASSERT(!(x)->state.conncache_lock); \ + (x)->state.conncache_lock = TRUE; \ + } + +#define CONN_UNLOCK(x) if((x)->share) { \ + DEBUGASSERT((x)->state.conncache_lock); \ + (x)->state.conncache_lock = FALSE; \ + Curl_share_unlock((x), CURL_LOCK_DATA_CONNECT); \ + } +#else +#define CONN_LOCK(x) if((x)->share) \ + Curl_share_lock((x), CURL_LOCK_DATA_CONNECT, CURL_LOCK_ACCESS_SINGLE) +#define CONN_UNLOCK(x) if((x)->share) \ + Curl_share_unlock((x), CURL_LOCK_DATA_CONNECT) +#endif + struct connectbundle { int multiuse; /* supports multi-use */ size_t num_connections; /* Number of connections in the bundle */ @@ -54,13 +75,14 @@ void Curl_conncache_destroy(struct conncache *connc); /* return the correct bundle, to a host or a proxy */ struct connectbundle *Curl_conncache_find_bundle(struct connectdata *conn, - struct conncache *connc); + struct conncache *connc, + const char **hostp); void Curl_conncache_unlock(struct Curl_easy *data); /* returns number of connections currently held in the connection cache */ size_t Curl_conncache_size(struct Curl_easy *data); -size_t Curl_conncache_bundle_size(struct connectdata *conn); -bool Curl_conncache_return_conn(struct connectdata *conn); +bool Curl_conncache_return_conn(struct Curl_easy *data, + struct connectdata *conn); CURLcode Curl_conncache_add_conn(struct conncache *connc, struct connectdata *conn) WARN_UNUSED_RESULT; void Curl_conncache_remove_conn(struct Curl_easy *data, |