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kc3-lang/libevent
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Author :
Nick Mathewson
Date : 2010-09-15 01:40:02
Hash : 95a7d418
Message : Make default signal backend fully threadsafe Jason Toffaletti discovered with helgrind that our signal handler was messing with evsig_base, which can be set from lots of places in the code. Ordinarly, we'd just stick a lock on it, except that it is illegal (and genuinely error-prone) to call pthread_mutex_acquire() from inside a signal handler. The solution is to only store the fd we write to in a static variable, write the signal number to the fd, and put evsig_cb in charge of activating signal events. I have no idea how we'll cope if we want to enable this to handle siginfo (where available) in the future.
- Files
- .gitignore
- ChangeLog
- Doxyfile
- LICENSE
- Makefile.am
- Makefile.nmake
- README
- WIN32-Code
- arc4random.c
- autogen.sh
- buffer.c
- buffer_iocp.c
- bufferevent-internal.h
- bufferevent.c
- bufferevent_async.c
- bufferevent_filter.c
- bufferevent_openssl.c
- bufferevent_pair.c
- bufferevent_ratelim.c
- bufferevent_sock.c
- changelist-internal.h
- compat
- configure.in
- defer-internal.h
- devpoll.c
- epoll.c
- epoll_sub.c
- evbuffer-internal.h
- evdns.3
- evdns.c
- evdns.h
- event-internal.h
- event.3
- event.c
- event.h
- event_iocp.c
- event_rpcgen.py
- event_tagging.c
- evhttp.h
- evmap-internal.h
- evmap.c
- evport.c
- evrpc-internal.h
- evrpc.c
- evrpc.h
- evsignal-internal.h
- evthread-internal.h
- evthread.c
- evthread_pthread.c
- evthread_win32.c
- evutil.c
- evutil.h
- evutil_rand.c
- ht-internal.h
- http-internal.h
- http.c
- include
- iocp-internal.h
- ipv6-internal.h
- kqueue.c
- libevent.pc.in
- libevent_openssl.pc.in
- libevent_pthreads.pc.in
- listener.c
- log-internal.h
- log.c
- m4
- minheap-internal.h
- mm-internal.h
- poll.c
- ratelim-internal.h
- sample
- select.c
- signal.c
- strlcpy-internal.h
- strlcpy.c
- test
- util-internal.h
- whatsnew-2.0.txt
- win32select.c
- Properties
