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| -rw-r--r-- | Changes | 3 | ||||
| -rw-r--r-- | ev.pod | 7 |
2 files changed, 8 insertions, 2 deletions
@@ -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 choice usually). +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 =over 4 |