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Avoid overflowing the wake up when handling events in Unix console apps.

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Generating many wake ups from the worker threads could result in overflowing
the buffer of the pipe used to communicate with the main thread which, in
turn, resulted in other serious problems (deadlocks...).

Avoid this by only writing to the pipe if it is empty.

Closes #14166.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@71089 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2012-04-04 14:36:45 +00:00
parent ab66414a66
commit 589046c0bd
2 changed files with 51 additions and 13 deletions
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docs/changes.txt
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@@ -474,6 +474,7 @@ All:
- Fix performance of wxStdInputStream with MSVC8/9 (wsu).
- Added wxFileName::Exists().
- Implement wxThread::SetConcurrency() for POSIX systems (Igor Korot).
- Fix deadlock due to too many events in Unix console apps (Lukasz Michalski).
All (GUI):