| /*************************************************************************** |
| * _ _ ____ _ |
| * Project ___| | | | _ \| | |
| * / __| | | | |_) | | |
| * | (__| |_| | _ <| |___ |
| * \___|\___/|_| \_\_____| |
| * |
| * Copyright (C) 1998 - 2002, 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 |
| * are also available at http://curl.haxx.se/docs/copyright.html. |
| * |
| * You may opt to use, copy, modify, merge, publish, distribute and/or sell |
| * copies of the Software, and permit persons to whom the Software is |
| * furnished to do so, under the terms of the COPYING file. |
| * |
| * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
| * KIND, either express or implied. |
| * |
| * $Id$ |
| ***************************************************************************/ |
| |
| #include "setup.h" |
| #include <stdlib.h> |
| #include <curl/curl.h> |
| #include "share.h" |
| #include "urldata.h" |
| |
| /* The last #include file should be: */ |
| #ifdef MALLOCDEBUG |
| #include "memdebug.h" |
| #endif |
| |
| #define CURL_SHARE_SET_LOCKED(__share, __type) ((__share)->locked += (__type)) |
| #define CURL_SHARE_SET_UNLOCKED(__share, __type) ((__share)->locked -= (__type)) |
| |
| #define CURL_SHARE_SET_USED(__share, __type) ((__share)->specifier += (__type)) |
| #define CURL_SHARE_SET_UNUSED(__share, __type) ((__share)->specifier -= (__type)) |
| #define CURL_SHARE_IS_USED(__share, __type) ((__share)->specifier & (__type)) |
| #define CURL_SHARE_IS_LOCKED(__share, __type) ((__share)->locked & (__type)) |
| |
| #define CURL_SHARE_IS_DIRTY(__share) ((__share)->dirty) |
| |
| #define CURL_SHARE_GET(__handle) (((struct SessionHandle *) (__handle))->share) |
| |
| curl_share * |
| curl_share_init (void) |
| { |
| curl_share *share = (curl_share *) malloc (sizeof (curl_share)); |
| if (share) { |
| memset (share, 0, sizeof (curl_share)); |
| } |
| |
| return share; |
| } |
| |
| CURLcode |
| curl_share_setopt (curl_share *share, curl_lock_type option, int enable) |
| { |
| if (CURL_SHARE_IS_DIRTY(share)) { |
| return CURLE_SHARE_IN_USE; |
| } |
| |
| if (enable) { |
| CURL_SHARE_SET_USED (share, option); |
| } |
| else { |
| CURL_SHARE_SET_UNUSED (share, option); |
| } |
| |
| return CURLE_OK; |
| } |
| |
| CURLcode |
| curl_share_set_lock_function (curl_share *share, curl_lock_function lock) |
| { |
| if (CURL_SHARE_IS_DIRTY(share)) { |
| return CURLE_SHARE_IN_USE; |
| } |
| |
| share->lockfunc = lock; |
| return CURLE_OK; |
| } |
| |
| CURLcode |
| curl_share_set_unlock_function (curl_share *share, curl_unlock_function unlock) |
| { |
| if (CURL_SHARE_IS_DIRTY(share)) { |
| return CURLE_SHARE_IN_USE; |
| } |
| |
| share->unlockfunc = unlock; |
| return CURLE_OK; |
| } |
| |
| CURLcode |
| curl_share_set_lock_data (curl_share *share, void *data) |
| { |
| if (CURL_SHARE_IS_DIRTY(share)) { |
| return CURLE_SHARE_IN_USE; |
| } |
| |
| share->clientdata = data; |
| return CURLE_OK; |
| } |
| |
| Curl_share_error |
| Curl_share_acquire_lock (CURL *handle, curl_lock_type type) |
| { |
| curl_share *share = CURL_SHARE_GET (handle); |
| if (share == NULL) { |
| return SHARE_ERROR_INVALID; |
| } |
| |
| if (! (share->specifier & type)) { |
| return SHARE_ERROR_NOT_REGISTERED; |
| } |
| |
| if (CURL_SHARE_IS_LOCKED (share, type)) { |
| return SHARE_ERROR_OK; |
| } |
| |
| share->lockfunc (handle, type, share->clientdata); |
| CURL_SHARE_SET_LOCKED (share, type); |
| |
| return SHARE_ERROR_OK; |
| } |
| |
| Curl_share_error |
| Curl_share_release_lock (CURL *handle, curl_lock_type type) |
| { |
| curl_share *share = CURL_SHARE_GET(handle); |
| if (share == NULL) { |
| return SHARE_ERROR_INVALID; |
| } |
| |
| if (! (share->specifier & type)) { |
| return SHARE_ERROR_NOT_REGISTERED; |
| } |
| |
| if (!CURL_SHARE_IS_LOCKED (share, type)) { |
| return SHARE_ERROR_OK; |
| } |
| |
| share->unlockfunc (handle, type, share->clientdata); |
| CURL_SHARE_SET_UNLOCKED (share, type); |
| |
| return SHARE_ERROR_OK; |
| } |
| |
| CURLcode curl_share_destroy (curl_share *share) |
| { |
| if (CURL_SHARE_IS_DIRTY(share)) { |
| return CURLE_SHARE_IN_USE; |
| } |
| |
| free (share); |
| |
| return CURLE_OK; |
| } |
| |
| /* |
| * local variables: |
| * eval: (load-file "../curl-mode.el") |
| * end: |
| * vim600: fdm=marker |
| * vim: et sw=2 ts=2 sts=2 tw=78 |
| */ |