sntp/libevent/whatsnew-2.1.txt

52   We now provide an --enable-gcc-hardening configure option to turn on
60   using that option now is to turn warnings into errors.
62   For IDE users, files that are not supposed to be built are now
66   There is now an alternative cmake-based build process; cmake users
75   checking for new high-priority events.  You can now use the
80   When configuring an event base, you can now choose whether you want
82   on Linux for now.)  Timers are efficient by default: to select more
93   singletons but provided no means to free them.  There is now a
136   By analogy to event_base_loopbreak(), there is now an
145   We now have an event_remove_timer() function to remove the timeout on
157   You can now activate all the events waiting for a given fd or signal
161   On backends that support it (currently epoll), there is now an
169   Libevent 2.1 now supports an API for safely "finalizing" events that
192   But now suppose that the data structure is protected by a lock, and we
269   You can now turn on debug logs at runtime using a new function,
272   The event_enable_lock_debugging() function is now spelled correctly.
302   can now yield a point just after the end of the buffer.  This makes
307   evbuffer_add_buffer_reference(outbuf, inbuf), outbuf now contains a
316   evbuffer_readln() now supports an EVBUFFER_EOL_NUL argument to fetch
324   You can now use the bufferevent_getcb() function to find out a
329   callback is no longer hardcoded; it's now configurable with
333   For consistency, OpenSSL bufferevents now make sure to always set one
337   Calling bufferevent_set_timeouts(bev, NULL, NULL) now removes the
369   The evdns_base_new() function now has multiple possible values for its
371   1 flag now has a symbolic name of EVDNS_BASE_INITIALIZE_NAMESERVERS.
372   A second flag is now supported too: the EVDNS_BASE_DISABLE_WHEN_INACTIVE
430   Whitespace between lines in headers is now folded into a single space;
431   whitespace at the end of a header is now removed.
433   The socket errno value is now preserved when invoking an http error
535   or later.  We now only notify the event loop when a change causes the
538   The timeout heap code is now optimized to perform fewer comparisons
542   clock_gettime(), we now check only every 5 seconds.  This should save
558   Instead, these functions are now split into separate functions for
569   The EVBUFFER_EOL_CRLF line-ending type is now much faster, thanks to
593   The logic for deciding which arguements to use with epoll_ctl() is now
598   Libevent now takes advantage of Linux's support for enhanced APIs
607   We now use GetSystemTimeAsFileTime to implement gettimeofday.  It's
623   Therefore, we now set it.
666 4.2. Finicky tests are now off-by-default
668   The Tinytest unit testing framework now supports optional tests, and
686   We now use the "quiet build" option to suppress distracting messages
692   Libevent now uses large-file support internally on platforms where it
695   Libevent now sets the size of ev_off_t to the size of off_t that it
699   We now also use the Autoconf AC_USE_SYSTEM_EXTENSIONS mechanism to
707   Libevent now tries to detect OpenSSL via pkg-config.
718   We now avoid all use of the _identifiers in the Libevent source code.
724   are now deprecated, but to support older code, they will need to stay
731   logic (introduced in 2.0 to avoid callback recursion), Libevent now
736   Regular events and deferred callbacks now both descend from an
743   now allows an event callback to be scheduled as "active later":
754   And now we have CI:
768   From now we have contributing guide and checkpatch.sh.