@ -2,9 +2,10 @@ Revision history for libev, a high-performance and full-featured event loop.
- backport inotify code to C89.
- implement EV_WIN32_HANDLE_TO_FD and EV_WIN32_CLOSE_FD configuration
symbols to make ti easier for apps to do their own fd management.
symbols to make it easier for apps to do their own fd management.
- support EV_IDLE_ENABLE being disabled in ev++.h
(patch by Didier Spezia).
- point out the unspecified signal mask in the documentation.
3.8 Sun Aug 9 14:30:45 CEST 2009
- incompatible change: do not necessarily reset signal handler
@ -2126,12 +2126,17 @@ and might or might not set or restore the installed signal handler.
While this does not matter for the signal disposition (libev never
sets signals to C<SIG_IGN>, so handlers will be reset to C<SIG_DFL> on
C<execve>), this matters for the signal mask: many programs do not expect
many signals to be blocked.
certain signals to be blocked.
This means that before calling C<exec> (from the child) you should reset
the signal mask to whatever "default" you expect (all clear is a good
In current versions of libev, you can ensure that the signal mask is not
blocking any signals (except temporarily, so thread users watch out) by
specifying the C<EVFLAG_NOSIGNALFD> when creating the event loop. This is
not guaranteed for future versions, however.
=head3 Watcher-Specific Functions and Data Members