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@ -2126,12 +2126,17 @@ and might or might not set or restore the installed signal handler. |
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While this does not matter for the signal disposition (libev never |
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sets signals to C<SIG_IGN>, so handlers will be reset to C<SIG_DFL> on |
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C<execve>), this matters for the signal mask: many programs do not expect |
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many signals to be blocked. |
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certain signals to be blocked. |
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This means that before calling C<exec> (from the child) you should reset |
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the signal mask to whatever "default" you expect (all clear is a good |
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choice usually). |
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In current versions of libev, you can ensure that the signal mask is not |
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blocking any signals (except temporarily, so thread users watch out) by |
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specifying the C<EVFLAG_NOSIGNALFD> when creating the event loop. This is |
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not guaranteed for future versions, however. |
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=head3 Watcher-Specific Functions and Data Members |
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=over 4 |
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