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* thread_pthread.c (native_stop_timer_thread): skip to close

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communication pipe to avoid timing bug (process termination timing).
  The communication pipe will closed by OS.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32276 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
ko1 2011-06-28 21:23:40 +00:00
parent e9c1783bbd
commit 87dadf3b8c
2 changed files with 12 additions and 3 deletions
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ChangeLog
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@ -1,3 +1,9 @@
Wed Jun 29 06:21:02 2011 Koichi Sasada <ko1@atdot.net>
* thread_pthread.c (native_stop_timer_thread): skip to close
communication pipe to avoid timing bug (process termination timing).
The communication pipe will closed by OS.
Wed Jun 29 06:09:54 2011 Koichi Sasada <ko1@atdot.net>
* error.c (rb_async_bug_errno): async-safe bug report function.

9
thread_pthread.c
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@ -1189,10 +1189,13 @@ native_stop_timer_thread(int close_anyway)
/* close communication pipe */
if (close_anyway) {
/* TODO: Uninstall all signal handlers or mask all signals.
* This pass is cleaning phase. It is too rare case
* to generate problem, so we remains it in TODO.
* This pass is cleaning phase (terminate ruby process).
* To avoid such race, we skip to close communication
* pipe. OS will close it at process termination.
* It may not good practice, but pragmatic.
* We remain it is TODO.
*/
close_communication_pipe();
/* close_communication_pipe(); */
}
}
return stopped;