o travis: split long lines, and make it cleaner (685a6a1 Azat Khuzhin)
o travis: fix autotools on osx by reinstalling libtool (088ea5e Azat Khuzhin)
o appveyor/autotools: link with openssl by passing LDFLAGS/CFLAGS (6fcfa25 Azat Khuzhin)
o appveyor: image already had openssl installed (4634b85 Azat Khuzhin)
o appveyor: check -DUNICODE -D_UNICODE according to ReleaseChecklist (cmake only) (e9acc44 Azat Khuzhin)
o appveyor: ignore failure of mingw-get (1810857 Azat Khuzhin)
o appveyor: drop shallow_clone, since we use tags for detecting version in cmake (ac90133 Azat Khuzhin)
o appveyor: support cmake & autotools using build matrix (like travis-ci has) (8f95015 Azat Khuzhin)
o travis-ci/osx: relink gcc/g++ instead of clang (481481d Azat Khuzhin)
o travis-ci: enable multi-os mode (osx, linux) (79917e4 Azat Khuzhin)
o travis-ci: increase matrix (--disable-foo) (59649f7 Azat Khuzhin)
o travis-ci: adjust alignment (c8be339 Azat Khuzhin)
o travis: add builds without debug mode into matrix (3e56da2 Azat Khuzhin)
o test: run regress with EVENT_DEBUG_MODE=1 and without (cf2cf2a Azat Khuzhin)
o Update travis config for status updates (37453ab Mark Ellzey)
o Use autotools for appveyor until cmake is fixed. (1cc2e29 Mark Ellzey)
o Fix the link for appveyor OpenSSL installer (WIN32) (107d565 Mark Ellzey)
o Forgot to install OpenSSL for appveyor (26164a5 Joakim Söderberg)
o Add support for appveyor.com windows CI (5f89c37 Joakim Söderberg)
Build Improvements/Fixes:
o evutil: mark ai_find_protocol() static (prototype-less) (5a157c8 Azat Khuzhin)
o cmake/solaris: set CMAKE_REQUIRED_LIBRARIES to fix functions detections (dc95823 Azat Khuzhin)
o cmake/solaris: fix building (link with socket,nsl) (050bfc7 Azat Khuzhin)
o cmake: check for ZLIB_INCLUDE_DIR, since we can have only library without headers (c4dfb93 Azat Khuzhin)
o autotools/win32: fix searching ssl library (671a24f Azat Khuzhin)
o cmake/win32: do not compile regress_thread on -DEVENT__DISABLE_THREAD_SUPPORT=ON (de0c196 Azat Khuzhin)
o cmake/win32: do not compile evthread_win32 on -DEVENT__DISABLE_THREAD_SUPPORT=ON (ecb0ec8 Azat Khuzhin)
o cmake: fix -DEVENT__ENABLE_VERBOSE_DEBUG (typo on -DUSE_DEBUG) (e35f224 Azat Khuzhin)
o cmake: do not use stderr for notifications/version-info (38716c6 Azat Khuzhin)
o autoconf: fix --disable-thread-support build under win32 (bb09535 Azat Khuzhin)
o buffer: don't mix code and declarations (8892f4c Azat Khuzhin)
o Update gitignore file to ignore cscope gen'ed files (0aaa4fb Neeraj Badlani)
o For non GCC/clang on OSX the -Wno-deprecated-declarations may not be valid (b5ca365 Rainer Keller)
o automake: define serial-tests only if automake have this option (61179de Azat Khuzhin)
o test/automake: don't use paralell test harness (since automake 1.12) (44d755e Azat Khuzhin)
o Ignore all pkgconfig generated stuff (ce38993 Azat Khuzhin)
o libevent_core and libevent_extra also deserve a pkgconfig file (b8d7c62 Jan Heylen)
o Ignore verify_tests.bat (win32 version) (0f2de10 Azat Khuzhin)
o cmake: require 3.1 only for win32 to make it work under ubunty precise (87f7238 Azat Khuzhin)
o cmake: require at least 3.1 for target_sources() (c46ead5 Azat Khuzhin)
o cmake: fix adding of compiler flags, and now it will (36588e1 Azat Khuzhin)
o Replace -Wswitch-enum with -Wswitch, and add it into cmake rules too (f29f59e Azat Khuzhin)
o test/regress_ssl: Fix compile problems for win32 (73d0360 Trond Norbye)
o util: fix "%zu" format on TDM-gcc/MinGW-w64 (79b69d8 Azat Khuzhin)
o cmake: don't define EVENT__NEED_DLLIMPORT always (fixes VS2013 static build) (49bd790 Azat Khuzhin)
o Add missing return statement to del_wait_thread so libevent can build. (4f778ab Nick Mathewson)
o cmake: fix building dns-example under win32 (missing getopt) (a1609a8 Azat Khuzhin)
o visibility: align it to make it more readable (bb6b53d Azat Khuzhin)
o cmake: Fix detection of ssize_t/SSIZE_T (7707f6b Azat Khuzhin)
o Ignore more configure stuff (configure.lineno) (8d34302 Azat Khuzhin)
o Fixed issue with cmake version generation (d56efd9 Mark Ellzey)
o Cmake is now officially working. (7f9646d Mark Ellzey)
o More cmake updates, lot's of missing definitions (49a5381 Mark Ellzey)
o CMake syntax fixes fo .in files (6aad23d Mark Ellzey)
o Revert "The Windows socket type is defined as SOCKET." (a264da8 Mark Ellzey)
o CMAKE CMAKE CMAKE CLEANUPS (a9db46a Mark Ellzey)
o Lot's of cmake updates (8b228e2 Mark Ellzey)
o Provide a mechanism for building the library on Windows with different compiler flags. Add a batch file that builds it for the M[DT][d] options and performs a hunt and gather of the different output libraries. (ded8086 billsegall)
o The Windows socket type is defined as SOCKET. (c9e6c3d billsegall)
o autotools: fix getservbyname() detection (959a4c2 Azat Khuzhin)
o Add missing <string.h> for openssl_hostname_validation module (3316a21 Azat Khuzhin)
o make test/regress_ssl.c compile without warnings (9f02a44 Thomas Bernard)
o test/regress_be: drop debug __asm__(int3) to fix arm build (8240379 Azat Khuzhin)
o event_debug_created_threadable_ctx_: fix compilation without debug mode (a068f2e Azat Khuzhin)
o Add a prototype for event_disable_debug_mode() (bfcedee Sebastian Hahn)
o http: eliminate warning about "socklen" in evhttp_connection_connect_() (dfad1a4 Azat Khuzhin)
o Updated gitignore (1dbb55d Mark Ellzey)
o Update bench_httpclient.c (cb96931 Seungmo Koo)
o *fix: bench_httpclient to support win32 (4e9325e zeliard)
o Commented out a WIN32 threading / timing test for now (e84e269 Mark Ellzey)
o Fix mixed declarations and code (forbidden by ISO C90) (0c7f217 Thomas Bernard)
o Fix "function declaration isn’t a prototype" (746d2c5 Thomas Bernard)
o This fixes a bug introduced in 27bd9faf498b91923296cc91643e03ec4055c230 (19ba454 Joakim Söderberg)
o changed strtotimeval signature as per #211 (bdbc823 Xiao Bao Clark)
o Added cmake-generated files to ignore list. (6c12bfe Matyas Dolak)
o Ignore `make dist` generated files (8a2c6c7 Azat Khuzhin)
Debugging
o Debug mode option to error on evthread init AFTER other event calls. (dcfb19a Mark Ellzey)
Changes in version 2.1.5-beta (5 January 2015)
Security Fixes (evbuffers)
o Avoid integer overflow bugs in evbuffer_add() and related functions. See CVE-2014-6272 advisory for more information. (d49bc0e88b81a5812116074dc007f1db0ca1eecd)
New APIs (evconnlistener)
o Provide support for SO_REUSEPORT through LEV_OPT_REUSABLE_PORT (b625361 Maciej Soltysiak)
Bugfixes (core)
o Fix use-after-free error in EV_CLOSURE_EVENT callback (3cc0eac John Ohl)
o Fix race caused by event_active (3c7d6fc vjpai)
Bugfixes (evbuffer)
o Fix evbuffer_peek() with len==-1 and start_at non-NULL. (ba59923)
o Consistently check for failure from evbuffer_pullup() (60f8f72)
o Fix evbuffer_peek() with len==-1 and start_at non-NULL. (fb7e76a)
Bugfixes (windows, IOCP)
o be async: avoid double close() (f133b86 Azat Khuzhin)
Bugfixes (bufferevents)
o Fix issue #127, double free for filterevents that use BEV_OPT_CLOSE_ON_FREE (2c82aa0 John Ohl)
o make bufferevent_getwatermark api more robust (a21e510 ufo2243)
o [Bugfix] fix bufferevent setwatermark suspend_read (b34e4ac ufo2243)
o bufferevent_openssl: reset fd_is_set when setfd with -1 is called (3da84c2 Azat Khuzhin)
o Fix compilation for older OpenSSL versions. (5c7282f Joakim Soderberg)
New APIs (evhttp)
o Add evhttp_connection_set_family() to set addrinfo->family for DNS requests (12c29b0 Azat Khuzhin)
o Implement interface that provides the ability to have an outbound evhttp_connection free itself once all requests have completed (2b9ec4c,10fe4f John Ohl)
New APIs (core)
o Implement new/free for struct evutil_monotonic_timer and export monotonic time functions (f2645f8 Andrea Shepard)
Bugfixes (evdns)
o Load hosts file on Windows. (a0b247c Vilmos Nebehaj)
o Don't truncate hosts file path on Windows. (d0dc861 Vilmos Nebehaj)
o Fix a crash in evdns related to shutting down evdns (9f39c88,e8fe749)
o evdns: avoid read-after-free in evdns_request_timeout_callback() (61262a0 Azat Khuzhin)
o Correctly handle allocation failures in evdns_getaddrinfo (6a53d15)
o evdns: fix EVDNS_BASE_DISABLE_WHEN_INACTIVE in case retransmit/retry (74d0eee Azat Khuzhin)
o evdns: add retry/reissue tests for EVDNS_BASE_DISABLE_WHEN_INACTIVE (3ca9d43 Azat Khuzhin)
o evdns: fail ns after we are failing/retrasmitting request (97c750d Azat Khuzhin)
Bugfixes (evhttp)
o http: reset connection before installing retry timer (fix http retries handling) (bc79cc5 Azat Khuzhin)
Testing
o regress_dns: fix leaks in getaddrinfo_async{,_cancel_stress} tests (2fdc5f2 Azat Khuzhin)
o test: add family argument for http_connection_test_() (177b8a7 Azat Khuzhin)
o test: add regress for evhttp_connection_set_family() with AF_INET and AF_UNSPEC (42aefeb Azat Khuzhin)
o test/http: add regress test for set family to AF_INET6 (3fbf3cc Azat Khuzhin)
o Update to a more recent tinytest_macros. (8da5a18)
o test/regress: add simplestsignal: to track reorder bugs separately (b897bef Azat Khuzhin)
o test/evbuffer_peek: add regress in case we have first buffer greater (e2d139d Azat Khuzhin)
o More evbuffer_peek() test cases (154006a)
o use correct tt macro for pointer compare (08c88ea)
o regress_buffer: fix 'memcmp' compare size (79800df Maks Naumov)
o Fix a use-after-free in unit tests. CID 752027 (3739057)
o Fix a dead-code warning in unit tests. CID 1193548 (c119f24)
o Use evutil_weakrand() in unit tests. (a677b72, 364c110)
o Use a more precise calculation for max in time-ratelim.c (ca5b5c7)
o Make a buffer larger in the tests to avoid a scary evbuffer_copyout_from() (fb57b8b)
o Fix several memory leaks in the unit tests. (89c1a3b)
o Add test for evhttp_connection_free_on_completion (b0e9924 John Ohl)
o Fix annoying heisenbug in test-time.c (cb73704)
Sample code
o Make http-server.c output into good html5 (6d72bdc)
o Use FindClose for handle from FindFirstFile in http-server.c (6466e88)
o https-client: add -retries argument, for connection retries (d9da844 Azat Khuzhin)
Bugfixes (build)
o Add missing headerfile for cmake (15d90cc Trond Norbye)
o ignore one more test binary (b6593aa Michael Richardson)
o ignore config.cache/test-driver files (c83f333 Mike Frysinger)
o add a --disable-samples configure flag (0c492b3 Mike Frysinger)
o Add a few files created by "make verify" to .gitignore. (1a8295a Pierre Phaneuf)
o updates in cmake build (27bd9fa Sergey Nikulov)
o Fix cmake error when the Module path has more than one entry. (befbd13 Acer Yang)
o Fix CMake shared library build (e69d910 Nobuaki Sukegawa)
o Fix warnings when compiling with clang 3.5 (f5b4765 John Ohl)
o Fix mixed declarations and code (forbidden by ISO C90) (8afbdbc Thomas Bernard)
Bugfixes (miscellaneous)
o tree.h: drop duplicated content of tree.h (6193187 Azat Khuzhin)
o evdns: disable probing with EVDNS_BASE_DISABLE_WHEN_INACTIVE (610410b,ad0493e,fea86a6,d83b337,5ca9e97 Azat Khuzhin)
o [Bugfix] fix grammer error (3a4d249 ufo2243)
o Change return type of evutil_load_windows_system_library_ to HMODULE (f691389)
o Fix a c90 warning (76643dd)
o Fix a typo in a doxygen comment. Reported by 亦得. (be1aeff)
o remove trailing comma from enum (b361b8a Jean-Philippe Ouellet)
Bugfixes (FreeBSD)
o Handle ENOTCAPABLE from FreeBSD - this is returned if an event in the changelist is for an FD that has been closed. (6fd7394 Adrian Chadd)
Changes in version 2.1.4-alpha (21 Mar 2014)
Libevent 2.1.4-alpha adds a number of new miscellaneous APIs to make
Libevent more useful, including support for early close detection with
epoll via EPOLLRDHUP, triggering bufferevent callbacks, adding more
evhttp callbacks, and more. There are also numerous bugfixes, including
a number for finalize-related issues from 2.1.3-alpha; and an
alternative (non-primary!) cmake-based build mechanism.
New APIs (core)
o Added event_base_get_num_events() (0fa107d Mobai Zhang)
o New event_base_active_by_fd API (865a142 Greg Hazel, 5c9da9a, 87fa2b0)
o Add event_base_active_by_signal by analogy (4865943)
o Add access to max event count stats (5173bef, efbd3dc, 26230a2
Andrew Sweeney)
o Implemented EV_CLOSED event for epoll backend
(EPOLLRDHUP). (b1b69ac Diego Giagio, 53d2793, 43ffcf6, dfe1e52
Marcin Juszkiewicz, ff26633 Joakim Soderberg, 3908a5e)
New APIs (evutil_secure_rng)
o Add evutil_secure_rng_set_urandom_device_file (2bbb5d7)
New APIs (bufferevents)
o Add function to fetch underlying ratelimit cfg (4b3d5af Mark Ellzey)
o Pass and return const for bufferevent_get_token_bucket_cfg (1c77fbb
Mark Ellzey)
o Add watermark introspection (4ce242b Ondřej Kuzník)
o Add an option to trigger bufferevent I/O callbacks (61ee18b Ondřej Kuzník)
o Add an option to trigger bufferevent event callbacks (a7384c7
Ondřej Kuzník)
o Clarifications in response to merge req. comments (bd41947 Ondřej
Kuzník)
o Minor optimizations on bufferevent_trigger options (a3172a4)
New APIs (evhttp)
o Add evhttp_connection_get_server(). (a7f82a3 Maxime Henrion)
o add a http default content type option (5a5acd9 Nicolas Martyanoff)
o http: implement new evhttp_connection_get_addr() api. (0c7f040 Azat
Khuzhin)
o Add a variant of evhttp_send_reply_chunk() with a callback on
evhttp_write_buffer() (8d8decf Julien BLACHE)
o Allow registering callback for parsing HTTP headers (b0bd7fe Balint Reczey)
o Provide on request complete callback facility (b083ca0 Andrew Sweeney)
o evhttp_request_set_on_complete_cb to be more specific about what
the function actually does and usage (da86dda Andrew Sweeney)
o Update unit test to make sure that the callback happens after the
output data is written (b85f398 Andrew Sweeney)
Features (evdns)
o bug fix for issues #293 evdns_base_load_hosts doesn't remove
o evdns: New flag to make evdns not prevent the event loop from
exiting (6b7fa62 Azat Khuzhin)
Bugfixes (Core)
o Make event_remove_timer behave correctly with persistent timers (5623e80)
o Unit test for event_remove_timer with EV_PERSIST. (96150dd)
o Double-check next timeout when adding events (9443868 Nate Rosenblum)
o event_base_update_cache_time should be a no-op if the loop isn't
running (5e6fa2a)
Bugfixes (evhttp, crash fix, from 2.0)
o fix #73 and fix http_connection_fail_test to catch it (b618204 Greg Hazel)
Bugfixes (compilation and portability, from 2.0)
o Fix compilation with WIN32_HAVE_CONDITION_VARIABLES enabled (7e45739)
o Fix missing AC_PROG_SED on older Autoconfs (9ab2b3f Tay Ray Chuan)
o Backport libevent to vanilla Autoconf 2.59 (as used in RHEL5)
(74d4c44 Kevin Bowling)
o Use AC_CONFIG_HEADERS in place of AM_CONFIG_HEADERS for autmake
1.13 compat (817ea36)
o Rename configure.in to configure.ac to appease newer autoconfs (0c79787)
o Avoid using top_srcdir in TESTS: new automakes do not like this (a55514e)
Bugfixes (resource leaks/lock errors on error, from 2.0)
o Avoid leaking fds on evconnlistener with no callback set (69db261)
o Avoid double-close on getsockname error in evutil_ersatz_socketpair
(0a822a6)
o Fix a locking error in bufferevent_socket_get_dns_error. (0a5eb2e)
Documentation Fixes (from 2.0)
o Fix a mistake in evbuffer_remove() arguments in example http server code
(c322c20 Gyepi Sam)
o Fix a typo in a comment in buffer.h. Spotted by Alt_F4 (773b0a5)
Documentation Fixes
o minor documentation typos (809586a Patrick Pelletier)
o Fix cut-and-paste err in whatsnew-2.1 (49905ac)
o Fix comment to refer to sample/include.am correctly (9e8cdf3 Sebastian
Hahn)
o Fix typo : Dispatching instead of Dispaching (0c2bacc Volker Lendecke)
o fix some hinky indentation in evhttp_make_request (80e220e Patrick
Pelletier)
o "buffer" spelling (a452811 Patrick Pelletier)
o Specify return behavior in header for evbuffer_pullup() in corner case
(cf8d1cd Dan Petro)
o Clarify an important point about event_base_foreach_event() (920a5e6)
Compilation Fixes/Tool Support
o avoid valgrind false positive by zeroing epoll_event (1258614 Patrick
Pelletier)
o Fix harmless clang enum warning (b452a43 Sebastian Hahn)
o remove all exes on "make clean", not just regress.exe (974bfa0 Patrick
Pelletier)
o Make --disable-libevent-regress work again (787fd74)
o Do not build strlcpy.c when it will have no code. (4914620)
Portability Fixes
o When EWOULDBLOCK is not EAGAIN, treat it as equivalent to it (bf7a0ff)
o Preliminary changes for Minix3. (0dda56a Nicholas Heath)
o Use AC_CONFIG_HEADERS in place of AM_CONFIG_HEADERS for autmake 1.13
compat (bf278b)
o Avoid using $(top_srcdir) in TESTS. (2863c83)
o build test/test-script.sh on systems with a less-featureful $< (f935e21)
o Implement EVUTIL_ERR_IS_EAGAIN on windows. (42aaf4d)
Evhttp changes:
o Fix ipv6 support for http. When URL contain domain, not IP
address. (71e709c Azat Khuzhin)
o uri decode: fix for warning "use of uninitialised value" (64b6ece Azat
Khuzhin)
o uri decode: changed the test for the existence of the next character
(e1903e3 Azat Khuzhin)
o Move prototype of evhttp_decode_uri_internal() to http-internal.h
(de8101a Azat Khuzhin)
o Test: decoding just part of string with evhttp_decode_uri_internal()
(1367653 Azat Khuzhin)
o Add new error_cb for actual reporting of HTTP request errors. (7b07719
Azat Khuzhin)
o Add test for EVREQ_HTTP_REQUEST_CANCEL into http_cancel_test() (862c217
Azat Khuzhin)
o Drop extra header http_struct.h from regress_http.c (54cc800 Azat Khuzhin)
Testing
o Add regress test ipv6_for_domain. (9ec88bd Azat Khuzhin)
o Add an environment variable (EVENT_DEBUG_MODE) to run unit tests in debug
mode (2fad0f3)
o Add a test with an active_later event at event_base_free time. (1c3147f)
o Make all tests pass under EVENT_DEBUG_MODE=1 (b1b054f)
o Add some verbose notes to bufferevent unit tests (9d893c9)
o New test for active_later->active transition on event_active (a153874)
o New tests for event_base_foreach_event() (0b096ef)
o Unit tests for event_base_gettimeofday_cached() and
event_base_update_cache_time() (30ea291)
o A test for event_get_assignment() (f09629e)
o More unit tests for initializing common timeouts. (d596739)
o Fix a bug in the new main/event_foreach test (702c9aa)
Windows:
o use FormatMessage for winsock errors (0c6ec5d, 2078e9b, 4ccdd53, c9ad3af
Patrick Pelletier)
o a program to print out the error strings for winsock errors (7296512
Patrick Pelletier)
o Fix a warning introduced in 0c6ec5d8 (eeb700c)
o Fix another warning introduced in 0c6ec5d8 (ed26561)
Examples (http)
o Add sample/https-client.c, an example of stacking evhttp as a client on
top of bufferevent_ssl. (be46c99 Catalin Patulea)
o use ${OPENSSL_LIBS} instead of -lssl -lcrypto (bf31fa5 Patrick Pelletier)
o https-client was putting newlines at 256-byte boundaries (42d7441 Patrick
Pelletier)
o better handling of OpenSSL errors (5754d96 Patrick Pelletier)
o use Debian's default root certificate location (aacd674 Patrick Pelletier)
o use iSECPartners code to validate hostname in certificate (64d9f16
Patrick Pelletier)
o avoid sign mismatch warning in openssl_hostname_validation.c (6021cb5
Patrick Pelletier)
o pull in wildcard matching code from cURL (4db9da6 Patrick Pelletier)
o Another tweak to https-client.c (95acdaa)
o Remove http_struct.h usage in sample/https-client.c (8a90a85)
Changes in version 2.1.2-alpha (18 Nov 2012)
Libevent 2.1.2-alpha includes more portable for monotonic timers,
refactors much of Libevent's internal and external infrastructure,
closes some longstanding gaps in the interface, makde other
improvements. Ths log below tries to organize features by rough area of
effect. It omits a few commits which were pure bugfixes on other commits
listed below. For more detail, see the git changelogs. For more
insight, see the "whatsnew-2.1.txt" document included in the Libevent
2.1.2-alpha distribution.
Libevent 2.1.2-alpha also includes all changes made in 2.0.19-stable
through 2.0.21-stable inclusive.
Performance (core):
o Replace pipe-based notification with EVFILT_USER where possible. This
should make multithreaded programs on OSX and *BSD alert the main thread a
little faster. (53a07fe)
o Make th_base_lock nonrecursive. (9cd5acb)
New/Changed API Functions:
o New event_get_priority() function to return an event's priority (f90e255)
o Add a bufferevent_get_priority() function (bd39554)
o Add an event_base_loopcontinue() to tell Libevent to rescan for more
events right away (7d6aa5e)
o Add a new callback to get called on evbuffer_file_segment free
(e9f8feb yangacer, 64051b9)
o Expose event_base_foreach_event() as a public API. (84fd6d7 Roman
Puls, 232055e, ffe1643)
o Add an event_remove_timer() to remove timer on an event without
deleting it (e3b2e08)
o Make bufferevent_set_timeouts(bev, NULL, NULL) have plausible
semantics (9dee36b)
o Rename event_enable_lock_debuging() to ..._debugging(). (The old name
should still work.) (07e132e)
o Add missing implementation for event_enable_debug_logging (3b3e21d)
PORTABLE MONOTONIC TIMERS:
Libevent 2.1.2 includes internal support for monotonic timers on
(nearly) all supported platforms, including Windows, and OSX. Libevent
applications should now be more resilient to jumps forwards or backwards
in the system clock. Also, on Linux systems with epoll, we now
optionally support microsecond-level timeouts (whereas epoll only
supports millisecond-precision timeouts).
o Use mach_absolute_time() for monotonic clock support on OSX. (b8fd6f9)
o Do not track use_monotonic field when is no monotonic clock (cb653a0)
o EVENT_BASE_FLAG_PRECISE_TIMER indicates we want fine timer precision
(ddd69d3)
o On Linux, use CLOCK_MONOTONIC_COARSE by default (55780a7)
o Implement a GetTickCount-based monotonic timer for Windows (d5e1d5a)
o Refactor monotonic timer handling into a new type and set of
functions; add a gettimeofday-based ratcheting implementation (f5e4eb0)
o Add EVENT_PRECISE_TIMER environment var for selecting precise-but-slow
timer (a2598ec)
o Implement fast/precise monotonic clocks on Windows (2c47045)
o Simple unit tests for monotonic timers (630f077)
o Improve the monotonic-time unit test: make it check the step size (7428c78)
o When PRECISE_TIMERS is set with epoll, use timerfd for microsecond
precision (26c7582)
o Split out time-related evutil functions into a new evutil_time.c (c419485)
o Split out time-related prototypes into time-internal.h (71bca50)
o Add evutil_time.obj to Makefile.nmake (0ba0683)
o Avoid giving a spurious warning when timerfd support is unavailable
(1aaf9f0 Dave Hart)
o Make test_evutil_monotonic a little more tolerant (def3b83)
o Avoid unused-var warning on systems with clock_gettime but without
CLOCK_MONOTONIC_COARSE (9be5468)
EVENT_BASE_ONCE LEAKS:
If a callback added by event_base_once() is never invoked, Libevent no
longer leaks internal memory.
o Free dangling event_once objects on event_base_free() (c17dd59)
o Add a unit test in which an event is created with event_base_once()
but never fires (4343edf)
TESTING SUPPORT, FIXES AND IMPROVEMENTS:
Libevent now disables by default its unit tests that would touch the
network, or that tend to fail on heavily-loaded systems. To re-enable
them, invoke the ./test/regress program with the @all alias.
o Simplify test.sh code significantly. (9b856fd Ross Lagerwall)
o Make all tests that hit the network disabled by default (f2cea87)
o Avoid a resource leak on error in http client benchmark (ea92fba)
o Update to latest tinytest (911b4f0349377) (ef7c4f7)
o Avoid (unlikely) overflow in bench_httpclient.c (5671033)
o Shave 700 msec off the persistent_timeout_jump test (21205b8)
o Check return value of write() in regress.c (c8009d2)
o Make load-dependent monotonic timer tests off-by-default (2b6fe8b)
o Add deferred_cb_skew to list of timing-dependent tests (34c8f31)
o Avoid test -e; older shs don't have one. (f1bd938)
o Fix renegotiation test to work around openssl 1.0.1 bug (c2f3086)
o Fix a couple of compile warnings in the unit tests (5a9a014)
MISC:
o Change evutil_weakrand_() to avoid platform random() (e86af4b Nicholas
Marriott, 3aa4415)
INFRASTRUCTURE (Active-later events):
As a simplification and optimization to Libevent's "deferred callback"
logic (introduced in 2.0 to avoid callback recursion), Libevent now
treats all of its deferrable callback types using the same logic it uses
for active events. Now deferred events no longer cause priority
inversion, no longer require special code to cancel them, and so on.
o Refactor the callback part of an event into its own event_callback
type (cba59e5)
o Add "active later" event_callbacks to supersede deferred (745a63d)
o event_base_assert_ok: check value of event_active_count for
correctness (fec8bae)
o Replace deferred_cbs with event_callback-based implementation. (ae2b84b)
o Replace more deferred_cb names with event_callback (a4079aa)
o Give event_base_process_active a single exit path (581b5be)
o Restore our priority-inversion-prevention code with deferreds (c0e425a)
o Refactor event_persist_closure: raise and extract some common logic
(bec22b4)
o Remove the unused bits from EVLIST_ALL (9889a3d)
||||||| merged common ancestors
Changes in version 2.0.22-stable (?? Dec 2013)
(As of 3b77d62829c4393bda6f9105a5d3b73b48a64b71.)
BUGFIXES (evhttp)
o fix #73 and fix http_connection_fail_test to catch it (crash fix) (b618204 Greg Hazel)
o Avoid racy bufferevent activation (5eb1788 Nate Rosenblum)
BUGFIXES (compilation and portability)
o Fix compilation with WIN32_HAVE_CONDITION_VARIABLES enabled (7e45739)
o Fix missing AC_PROG_SED on older Autoconfs (9ab2b3f Tay Ray Chuan)
o Backport libevent to vanilla Autoconf 2.59 (as used in RHEL5) (74d4c44 Kevin Bowling)
o Use AC_CONFIG_HEADERS in place of AM_CONFIG_HEADERS for autmake 1.13 compat (817ea36)
o Rename configure.in to configure.ac to appease newer autoconfs (0c79787)
o Avoid using top_srcdir in TESTS: new automakes do not like this (a55514e)
o Use windows vsnprintf fixup logic on all windows environments (e826f19)
o Fix a compiler warning when checking for arc4random_buf linker breakage. (5cb3865)
o Fix another arc4random_buf-related warning (e64a2b0)
BUGFIXES (resource leaks/lock errors on error)
o Avoid leaking fds on evconnlistener with no callback set (69db261)
o Avoid double-close on getsockname error in evutil_ersatz_socketpair (0a822a6)
o Fix a locking error in bufferevent_socket_get_dns_error. (0a5eb2e)
o libevent/win32_dealloc() : fix sizeof(pointer) vs sizeof(*pointer) (b8f5980 Frank Denis)
BUGFIXES (miscellaneous)
o Avoid other RNG initialization FS reads when urandom file is specified (9695e9c, bb52471)
o Avoid redundant invocations of init_extension_functions for IOCP (3b77d62)
BUFGIXES (evdns)
o Checking request nameserver for NULL, before using it. (5c710c0 Belobrov Andrey)
o Fix SEGFAULT after evdns_base_resume if no nameservers installed. (f8d7df8 Azat Khuzhin)
BUGFIXES (evutil_secure_random)
o When we seed from /proc/sys/kernel/random/uuid, count it as success (e35b540)
o Document that arc4random is not a great cryptographic PRNG. (6e49696)
o Add evutil_secure_rng_set_urandom_device_file (2bbb5d7)
o Really remove RNG seeds from the stack (f5ced88)
DOCUMENTATION FIXES
o Fix a mistake in evbuffer_remove() arguments in example http server code (c322c20 Gyepi Sam)
o Fix a typo in a comment in buffer.h. Spotted by Alt_F4 (773b0a5)
Changes in version 2.0.21-stable (18 Nov 2012)
BUGFIXES:
o ssl: Don't discard SSL read event when timeout and read come close together (576b29f)
o ssl: Stop looping in "consider_reading" if reading is suspended. (f719b8a Joachim Bauch)
o ssl: No need to reserve space if reading is suspended. (1acf2eb Joachim Bauch)
o dns: Avoid a memory-leak on OOM in evdns. (73e85dd, f2bff75 George Danchev)
o build: Use python2 rather than python (0eb0109 Ross Lagerwall)
o build: Compile without warnings on mingw64 (94866c2)
o build: Fix compilation on mingw64 with -DUSE_DEBUG (62bd2c4)
o build: Make rpcgen_wrapper.sh work on systems without a "python2" binary (f3009e4)
o iocp: Close IOCP listener socket on free when LEV_OPT_CLOSE_ON_FREE is set (cb853ea Juan Pablo Fernandez)
o core: Avoid crash when event_pending() called with no event_base set on event (e3cccf3)
o misc: remove stray 'x' so print_err will compile when uncommented (ac35650 Patrick Pelletier)
o tests: Fix renegotiation test to work around openssl 1.0.1 bug (c2f3086)
o tests: Warn when openssl version in unit test mismatches compiled version. (ac009f9)
Changes in version 2.0.20-stable (23 Aug 2012)
BUGFIXES:
o core: Make event_pending() threadsafe. (be7a95c Simon Liu)
o win32: avoid crash when waiting forever on zero fds. (160e58b)
o evhttp: Fix a memory leak on error in evhttp_uriencode (11c8b31)
o evbuffer: Avoid possible needless call to writev. Found by coverity. (6a4ec5c)
o evdns: memset sockaddr_in before using it. Found by coverity. (a1a0e67)
o evhttp: Check more setsockopt return values when binding sockets. Found by coverity (a0912e3)
o evdns: Avoid segfault on weird timeout during name lookup. (dc32077 Greg Hazel)
o bufferevent_ssl: Correctly invoke callbacks when a SSL bufferevent reads some and then blocks. (606ac43)
PORTABILITY FIXES:
o check for arc4random_buf at runtime, on OS X (bff5f94 Greg Hazel)
o Correctly check for arc4random_buf (fcec3e8 Sebastian Hahn)
o Add explicit AC_PROG_SED to configure.in so all autoconfs will expose $(SED) (ca80ea6)
BUILD FIXES:
o Add GCC annotations so that the vsprintf functions get checked properly (117e327)
o Fix an unused variable warning on *BSD. (c0720c1)
UNIT TEST FIXES:
o Fix a couple of memory leaks (found with Valgrind). (3b2529a Ross Lagerwall)
o Remove deadcode in http regression tests. Found by coverity. (5553346)
o Fix possible uninitialized read in dns regression tests. Found by coverity. (2259777)
o Set umask before calling mkstemp in unit tests. Found by coverity (f1ce15d)
o Fix various check-after-dereference issues in unit tests: found by coverity (4f3732d)
o Fix resource leaks in the unit tests; found by coverity (270f279)
o Add some missing null checks to unit tests; found by coverity (f021c3d)
o Avoid more crashes/bad calls in unit tests; found by coverity (3cde5bf)
o Remove unused variable; spotted by coverity (6355b2a)
o Add checks to various return values in unit tests. Found by coverity (b9e7329)
o Move assignment outside tt_assert in ssl unit tests. Appeases coverity. (a2006c0)
Changes in version 2.0.19-stable (3 May 2012)
BUGFIXES (CORE):
o Refactor event_persist_closure: raise and extract some common logic (bec22b4)
o If time has jumped so we'd reschedule a periodic event in the past, schedule it for the future instead (dfd808c)
o If a higher-priority event becomes active, don't continue running events of the current priority. (2bfda40)
BUGFIXES (SSL):
o Fixed potential double-readcb execution with openssl bufferevents. (4e62cd1 Mark Ellzey)
BUGFIXES (DNS):
o Cancel a probe request when the server is freed, and ignore cancelled probe callbacks (94d2336 Greg Hazel)
o Remove redundant DNS_ERR_CANCEL check, move comment (46b8060 Greg Hazel)
o When retransmitting a timed-out DNS request, pick a fresh nameserver. (3d9e52a)
DOCUMENTATION FIXES:
o Fix a typo in the bufferevent documentation (98e9119)
o Add missing ) to changelog; spotted by rransom (4c7ee6b)
o Fix the website URL in the readme (f775521)
COMPILATION FIXES:
o Fix a compilation error with MSVC 2005 due to use of mode_t (336dcae)
o Configure with gcc older than 2.95 (4a6fd43 Sebastian Hahn)
o Generate event-config.h with a single sed script (30b6f88 Zack Weinberg)
FORWARD-COMPATIBILITY:
o Backport: provide EVENT_LOG_* names, and deprecate _EVENT_LOG_* (d1a03b2)
TESTING/DEBUGGING SUPPORT:
o dns-example.c can now take a resolv.conf file on the commandline (6610fa5)
o Make some evdns.c debug logs more verbose (d873d67)
o Work-around a stupid gcov-breaking bug in OSX 10.6 (b3887cd)
Changes in version 2.0.18-stable (22 Mar 2012)
BUGFIXES (core):
o Make uses of open() close-on-exec safe by introducing an internal evutil_open_closeonexec. (d2b5f72 Ross Lagerwall, 03dce42)
BUGFIXES (kqueue):
o Properly zero the kevent in kq_setup_kevent() (c2c7b39 Sebastian Hahn)
BUILD FIXES:
o Added OPENSSL_LDFLAGS env variable which is appended to SSL checks. (9278196 Mark Ellzey)
o Changed OPENSSL_LDFLAGS to OPENSSL_LIBADD (2d67b63 Mark Ellzey)
o Don't do clang version detection when disabling some flags (083296b Sebastian Hahn)
BUGFIXES (dns):
o Stop crashing in evdns when nameserver probes give a weird error (bec5068)
Changes in version 2.0.17-stable (10 Feb 2012)
BUGFIXES (core):
o Be absolutely sure to clear pncalls before leaving event_signal_closure (11f36a5)
o check for sysctl before we use it (358c745 Mike Frysinger)
o Remove bogus casts of socket to int before calling ev_callback (f032516)
o Make evconnlistener work around bug in older Linux when getting nmapped (ecfc720)
o Fix a list corruption bug when using event_reinit() with signals present (6e41cdc)
o Fix a fd leak in event_reinit() (3f18ad1)
o Do a memberwise comparison of threading function tables (c94a5f2 Nate R)
o Use C-style comments in C source files (for compatibility with compilers such as xlc on AIX). (d84d917 Greg Hewgill)
o Avoid crash when freeing event_iocp and using event_set_mem_functions (19715a6)
o In the kqueue backend, do not report EBADF as an EV_READ (5d7bfa1 Nicholas Marriott)
BUGFIXES (evbuffer and bufferevents):
o Fix behavior of evbuffer_peek(buf,-1,NULL,NULL,0) (c986f23 Zack Weinberg)
o Loop on filtering SSL reads until we are blocked or exhausted. (5b4b812)
BUGFIXES (evhttp):
o Force strict validation of HTTP version in response. (790f6b3 Catalin Patulea)
BUGFIXES (evdns):
o evdns: fix a bug in circular-queue implementation (d6094b1)
BUILD FIXES:
o Fix a silly compilation error with the sun compiler (1927776 Colin Watt)
o Suppress a gcc warning from ignoring fwrite return in http-sample.c (7206e8c)
DOCUMENTATION FIXES:
o Slightly clarify evbuffer_peek documentation (7bbf6ca)
o Update copyright notices to 2012 (e49e289)
NEW APIS:
o Backport evhttp_connection_get_bufferevent to Libevent 2.0 (da70fa7 Arno Bakker)
TESTS AND TEST FIXES:
o Fix a race condition in the dns/bufferevent_connect_hostname test. (cba48c7)
o Add function to check referential integrity of an event_base (27737d5)
o Check event_base correctness at end of each unit test (3312b02)
o Workaround in the unit tests for an apparent epoll bug in Linux 3.2 (dab9187)
o Better workaround for Linux 3.2 edge-triggered epoll bug (9f9e259)
Changes in version 2.0.16-stable (18 Nov 2011)
BUGFIXES (core):
o More detailed message in case of libevent self-debugging failure. (9e6a4ef Leonid Evdokimov)
o epoll: close fd on alloc fail at initialization (1aee718 Jamie Iles)
o Fix compile warning from saying event2/*.h inside a comment (447b0ba)
o Warn when unable to construct base because of failing make_base_notifiable (4e797f3)
o Don't try to make notifiable event_base when no threading fns are configured (e787413)
BUGFIXES (evbuffer):
o unit test for remove_buffer bug (90bd620 Greg Hazel)
o Fix an evbuffer crash in evbuffer_remove_buffer() (c37069c)
BUGFIXES (bufferevent_openssl):
o Refactor amount-to-read calculations in buffervent_ssl consider_reading() (a186e73 Mark Ellzey)
o Move SSL rate-limit enforcement into bytes_to_read() (96c562f)
o Avoid spinning on OpenSSL reads (2aa036f Mark Ellzey)
BUGFIXES (dns)
o Empty DNS reply with OK status is another way to say NODATA. (21a08d6 Leonid Evdokimov)
TESTING:
o Tests for 94fba5b and f72e8f6 (d58c15e Leonid Evdokimov)
o Test for commit aff6ba1 (f7841bf Leonid Evdokimov)
o Style and comment tweaks for dns/leak* tests (5e42202)
o improve test to remove at least one buffer from src (7eb52eb Greg Hazel)
DOCUMENTATION:
o Add note about evhttp_send_reply_end to its doxygen (724bfb5)
o Update copyright dates to 2011. (3c824bd)
o Fix typo in whatsnew-2.0.txt (674bc6a Mansour Moufid)
o Improve win32 behavior of dns-sample.c code (a3f320e Gisle Vanem)
Changes in version 2.0.15-stable (12 Oct 2011)
BUGFIXES (DNS):
o DNS: add ttl for negative answers using RFC 2308 idea. (f72e8f6 Leonid Evdokimov)
o Add DNS_ERR_NODATA error code to handle empty replies. (94fba5b Leonid Evdokimov)
BUFGIXES (bufferevents and evbuffers):
o Make evbuffer callbacks get the right n_added value after evbuffer_add (1ef1f68 Alex)
o Prefer mmap to sendfile unless a DRAINS_TO_FD flag is set. Allows add_file to work with SSL. (0ba0af9)
BUGFIXES (event loop):
o When a signal callback is activated to run multiple times, allow event_base_loopbreak to work even before they all have run. (4e8eb6a)
DOCUMENTATION FIXES:
o Fix docstring in dns.h (2b6eae5 Leonid Evdokimov)
o refer to non-deprecated evdns functions in comments (ba5c27d Greg Hazel)
BUILD AND TESTING FIXES:
o le-proxy and regress depend on openssl directly (9ae061a Sergey Avseyev)
o Use _SOURCES, not _sources, in sample/Makefile.am (7f82382)
o Fixed compiler warnings for unchecked read/write calls. (c3b62fd Mark Ellzey)
o Make write-checking fixes use tt_fail_perror (2b76847)
o Fix some "value never used" warnings with gcc 4.6.1 (39c0cf7)
Changes in version 2.0.14-stable (31 Aug 2011)
BUGFIXES (bufferevents and evbuffers):
o Propagate errors on the underlying bufferevent to the user. (4a34394 Joachim Bauch)
o Ignore OpenSSL deprecation warnings on OS X (5d1b255 Sebastian Hahn)
o Fix handling of group rate limits under 64 bytes of burst (6d5440e)
o Solaris sendfile: correctly detect amount of data sent (643922e Michael Herf)
o Make rate limiting work with common_timeout logic (5b18f13)
o clear read watermark on underlying bufferevent when creating filtering bev to fix potentially failing fragmented ssl handshakes (54f7e61 Joachim Bauch)
BUGFIXES (IOCP):
o IOCP: don't launch reads or writes on an unconnected socket (495c227)
o Make IOCP rate-limiting group support stricter and less surprising. (a98da7b)
o Have test-ratelim.c support IOCP (0ff2c5a)
o Make overlapped reads result in evbuffer callbacks getting invoked (6acfbdd)
o Correctly terminate IO on an async bufferevent on bufferevent_free (e6af35d)
BUGFIXES (other):
o Fix evsig_dealloc memory leak with debugging turned on. (9b724b2 Leonid Evdokimov)
o Fix request_finished memory leak with debugging turned on. (aff6ba1 Leonid Evdokimov)
BUILD AND TESTING FIXES:
o Allow OS-neutral builds for platforms where some versions have arc4random_buf (b442302 Mitchell Livingston)
o Try to fix 'make distcheck' errors when building out-of-tree (04656ea Dave Hart)
o Clean up some problems identified by Coverity. (7c11e51 Harlan Stenn)
Changes in version 2.0.13-stable (18 Jul 2011)
BUGFIXES
o Avoid race-condition when initializing global locks (b683cae)
o Fix bug in SSL bufferevents backed by a bev with a write high-watermarks (e050703 Joachim Bauch)
o Speed up invoke_callbacks on evbuffers when there are no callbacks (f87f568 Mark Ellzey)
o Avoid a segfault when all methods are disabled or broken (27ce38b)
o Fix incorrect results from evbuffer_search_eol(EOL_LF) (4461f1a)
o Add some missing checks for mm_calloc failures (89d5e09)
o Replace an assertion for event_base_free(NULL) with a check-and-warn (09fe97d)
o Report kqueue ebadf, epipe, and eperm as EV_READ events (1fd34ab)
o Check if the `evhttp_new_object' function in `http.c' returns NULL. (446cc7a Mansour Moufid)
o Use the correct printf args when formatting size_t (3203f88)
o Complain if the caller tries to change threading cbs after setting them (cb6ecee)
DOCUMENTATION FIXES AND IMPROVEMENTS
o Revise the event/evbuffer/bufferevent doxygen for clarity and accuracy (2888fac)
o Update Doxyfile to produce more useful output (aea0555)
TEST FIXES
o Fix up test_evutil_snprintf (caf695a)
o Fix tinytest invocation from windows shell (57def34 Ed Day)
BUILD FIXES
o Use AM_CPPFLAGS in sample/Makefile.am, not AM_CFLAGS (4a5c82d)
o Fix select.c compilation on systems with no NFDBITS (49d1136)
o Fix a few warnings on OpenBSD (8ee9f9c Nicholas Marriott)
o Don't break when building tests from git without python installed (b031adf)
o Don't install event_rpcgen.py when --disable-libevent-install is used (e23cda3 Harlan Stenn)
o Fix AIX build issue with TAILQ_FOREACH definition (e934096)
Changes in version 2.0.12-stable (4 Jun 2011)
BUGFIXES
o Fix a warn-and-fail bug in kqueue by providing kevent() room to report errors (28317a0)
o Fix an assert-inducing fencepost bug in the select backend (d90149d)
