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tests: re-seed random number generator in workers

This commit is contained in:
Michael Stapelberg 2017-09-10 19:41:49 +02:00
parent 2eaf58a553
commit 429af6dbb3
1 changed files with 5 additions and 0 deletions
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5
testcases/lib/TestWorker.pm
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@ -99,6 +99,11 @@ sub worker_wait {
$0 = $file;
# Re-seed rand() so that File::Temp’s tempnam produces different
# results, making a TOCTOU between e.g. t/175-startup-notification.t
# and t/180-fd-leaks.t less likely.
srand(time ^ $$);
POSIX::dup2($ipc_fd, 0);
POSIX::dup2($ipc_fd, 1);
POSIX::dup2(1, 2);