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curl/lib/easyif.h

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lib/*.h: use our standard naming scheme for header inclusion guards
2012-12-28 06:03:09 -05:00
#ifndef HEADER_CURL_EASYIF_H
#define HEADER_CURL_EASYIF_H
Pavel Orehov reported memory problems with the multi interface in bug report #1098843. In short, a shared DNS cache was setup for a multi handle and when the shared cache was deleted before the individual easy handles, the latter cleanups caused read/writes to already freed memory.
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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
dynbuf: introduce internal generic dynamic buffer functions A common set of functions instead of many separate implementations for creating buffers that can grow when appending data to them. Existing functionality has been ported over. In my early basic testing, the total number of allocations seem at roughly the same amount as before, possibly a few less. See docs/DYNBUF.md for a description of the API. Closes #5300
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* Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
Pavel Orehov reported memory problems with the multi interface in bug report #1098843. In short, a shared DNS cache was setup for a multi handle and when the shared cache was deleted before the individual easy handles, the latter cleanups caused read/writes to already freed memory.
2005-01-10 05:07:07 -05:00
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
curl.se: new home Closes #6172
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* are also available at https://curl.se/docs/copyright.html.
Pavel Orehov reported memory problems with the multi interface in bug report #1098843. In short, a shared DNS cache was setup for a multi handle and when the shared cache was deleted before the individual easy handles, the latter cleanups caused read/writes to already freed memory.
2005-01-10 05:07:07 -05:00
*
* 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.
*
***************************************************************************/
/*
Revert changes relative to lib/*.[ch] recent renaming This reverts renaming and usage of lib/*.h header files done 28-12-2012, reverting 2 commits: f871de0... build: make use of 76 lib/*.h renamed files ffd8e12... build: rename 76 lib/*.h files This also reverts removal of redundant include guard (redundant thanks to changes in above commits) done 2-12-2013, reverting 1 commit: c087374... curl_setup.h: remove redundant include guard This also reverts renaming and usage of lib/*.c source files done 3-12-2013, reverting 3 commits: 13606bb... build: make use of 93 lib/*.c renamed files 5b6e792... build: rename 93 lib/*.c files 7d83dff... build: commit 13606bbfde follow-up 1 Start of related discussion thread: http://curl.haxx.se/mail/lib-2013-01/0012.html Asking for confirmation on pushing this revertion commit: http://curl.haxx.se/mail/lib-2013-01/0048.html Confirmation summary: http://curl.haxx.se/mail/lib-2013-01/0079.html NOTICE: The list of 2 files that have been modified by other intermixed commits, while renamed, and also by at least one of the 6 commits this one reverts follows below. These 2 files will exhibit a hole in history unless git's '--follow' option is used when viewing logs. lib/curl_imap.h lib/curl_smtp.h
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* Prototypes for library-wide functions provided by easy.c
Pavel Orehov reported memory problems with the multi interface in bug report #1098843. In short, a shared DNS cache was setup for a multi handle and when the shared cache was deleted before the individual easy handles, the latter cleanups caused read/writes to already freed memory.
2005-01-10 05:07:07 -05:00
*/
curl_easy_perform_ev: debug/test function This function is meant to work *exactly* as curl_easy_perform() but will use the event-based libcurl API internally instead of curl_multi_perform(). To avoid relying on an actual event-based library and to not use non-portable functions (like epoll or similar), there's a rather inefficient emulation layer implemented on top of Curl_poll() instead. There's currently some convenience logging done in curl_easy_perform_ev which helps when tracking down problems. They may be suitable to remove or change once things seem to be fine enough. curl has a new --test-event option when built with debug enabled that then uses curl_easy_perform_ev() instead of curl_easy_perform(). If built without debug, using --test-event will only output a warning message. NOTE: curl_easy_perform_ev() is not part if the public API on purpose. It is only present in debug builds of libcurl and MUST NOT be considered stable even then. Use it for libcurl-testing purposes only. runtests.pl now features an -e command line option that makes it use --test-event for all curl command line tests. The man page is updated.
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#ifdef CURLDEBUG
typedefs: use the full structs in internal code... ... and save the typedef'ed names for headers and external APIs.
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CURL_EXTERN CURLcode curl_easy_perform_ev(struct Curl_easy *easy);
curl_easy_perform_ev: debug/test function This function is meant to work *exactly* as curl_easy_perform() but will use the event-based libcurl API internally instead of curl_multi_perform(). To avoid relying on an actual event-based library and to not use non-portable functions (like epoll or similar), there's a rather inefficient emulation layer implemented on top of Curl_poll() instead. There's currently some convenience logging done in curl_easy_perform_ev which helps when tracking down problems. They may be suitable to remove or change once things seem to be fine enough. curl has a new --test-event option when built with debug enabled that then uses curl_easy_perform_ev() instead of curl_easy_perform(). If built without debug, using --test-event will only output a warning message. NOTE: curl_easy_perform_ev() is not part if the public API on purpose. It is only present in debug builds of libcurl and MUST NOT be considered stable even then. Use it for libcurl-testing purposes only. runtests.pl now features an -e command line option that makes it use --test-event for all curl command line tests. The man page is updated.
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#endif
Major overhaul introducing http pipelining support and shared connection cache within the multi handle.
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lib/*.h: use our standard naming scheme for header inclusion guards
2012-12-28 06:03:09 -05:00
#endif /* HEADER_CURL_EASYIF_H */
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