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process.c: do not run signal handler before fork

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to prevent from proceeding one for MJIT while it's not safe yet.
By that situation, MJIT worker could be waiting for compiler process forever
http://ci.rvm.jp/results/trunk-mjit@silicon-docker/1468033

[Bug #15320]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65807 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
k0kubun 2018-11-19 13:33:07 +00:00
parent 759cfd3bcb
commit e205cd80d2
3 changed files with 15 additions and 6 deletions
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5
process.c
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@ -1506,8 +1506,9 @@ static void
before_fork_ruby(void)
{
if (mjit_enabled) {
/* avoid leaving locked mutex and units being modified for child process. */
mjit_pause(FALSE);
/* Avoid leaving locked mutex and units being modified for child process. Here may not be
safe for proceeding SIGCHLD handler, so this does not allow RUBY_VM_CHECK_INTS. */
mjit_pause_without_ints();
}
before_exec();