| commit | 2b5cc5ebaff41445200753f1a69fd4e6a9475a1e | [log] [tgz] |
|---|---|---|
| author | Antoine Pitrou <pitrou@free.fr> | Tue Jun 13 09:46:06 2017 +0200 |
| committer | GitHub <noreply@github.com> | Tue Jun 13 09:46:06 2017 +0200 |
| tree | e5d70f0ba342a9f6cfe79329abfbb705e17a89be | |
| parent | bd4e9e0ca96dabf33605d9b1fd1e0562ece8ae18 [diff] |
bpo-30643: Fix race condition in signal wakeup in forkserver (followup to PR #1989) (#2139) * Fix race condition in signal wakeup in forkserver (followup to PR #1989) There's an admittedly well-known race condition where ECHILD can arrive just before the C function epoll_wait() and the latter wouldn't therefore return EINTR. The solution is to use set_wakeup_fd(), which was designed to avoid such race conditions. * Reset wakeup fd in child