Posix: try to make signal handler async signal safe again. There used to be freezes in browser_tests and ui_tests on the trybots and buildbots, but I've tried the trybots many times and haven't seen this repro, so I'm going to try committing again. This change is mostly a revert of r35192.
Posix: try to make signal handler async signal safe again.
There used to be freezes in browser_tests and ui_tests on the trybots and buildbots, but I've tried the trybots many times and haven't seen this repro, so I'm going to try committing again.
This change is mostly a revert of r35192.

Review URL: http://codereview.chromium.org/546035

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@36577 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser