From: "Zac Medico" <zmedico@gentoo.org>
To: gentoo-commits@lists.gentoo.org
Subject: [gentoo-commits] proj/portage:master commit in: pym/portage/util/_async/
Date: Sat, 29 Dec 2012 07:45:46 +0000 (UTC) [thread overview]
Message-ID: <1356766207.c7b3b1fbffb23f30c07fe57946221b62c54c1af9.zmedico@gentoo> (raw)
commit: c7b3b1fbffb23f30c07fe57946221b62c54c1af9
Author: Zac Medico <zmedico <AT> gentoo <DOT> org>
AuthorDate: Sat Dec 29 07:18:47 2012 +0000
Commit: Zac Medico <zmedico <AT> gentoo <DOT> org>
CommitDate: Sat Dec 29 07:30:07 2012 +0000
URL: http://git.overlays.gentoo.org/gitweb/?p=proj/portage.git;a=commit;h=c7b3b1fb
Add run_main_scheduler helper function.
---
pym/portage/util/_async/run_main_scheduler.py | 41 +++++++++++++++++++++++++
1 files changed, 41 insertions(+), 0 deletions(-)
diff --git a/pym/portage/util/_async/run_main_scheduler.py b/pym/portage/util/_async/run_main_scheduler.py
new file mode 100644
index 0000000..10fed34
--- /dev/null
+++ b/pym/portage/util/_async/run_main_scheduler.py
@@ -0,0 +1,41 @@
+
+import signal
+
+def run_main_scheduler(scheduler):
+ """
+ Start and run an AsyncScheduler (or compatible object), and handle
+ SIGINT or SIGTERM by calling its terminate() method and waiting
+ for it to clean up after itself. If SIGINT or SIGTERM is received,
+ return signum, else return None. Any previous SIGINT or SIGTERM
+ signal handlers are automatically saved and restored before
+ returning.
+ """
+
+ received_signal = []
+
+ def sighandler(signum, frame):
+ signal.signal(signal.SIGINT, signal.SIG_IGN)
+ signal.signal(signal.SIGTERM, signal.SIG_IGN)
+ received_signal.append(signum)
+ scheduler.terminate()
+
+ earlier_sigint_handler = signal.signal(signal.SIGINT, sighandler)
+ earlier_sigterm_handler = signal.signal(signal.SIGTERM, sighandler)
+
+ try:
+ scheduler.start()
+ scheduler.wait()
+ finally:
+ # Restore previous handlers
+ if earlier_sigint_handler is not None:
+ signal.signal(signal.SIGINT, earlier_sigint_handler)
+ else:
+ signal.signal(signal.SIGINT, signal.SIG_DFL)
+ if earlier_sigterm_handler is not None:
+ signal.signal(signal.SIGTERM, earlier_sigterm_handler)
+ else:
+ signal.signal(signal.SIGTERM, signal.SIG_DFL)
+
+ if received_signal:
+ return received_signal[0]
+ return None
next reply other threads:[~2012-12-29 7:46 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-29 7:45 Zac Medico [this message]
-- strict thread matches above, loose matches on Subject: below --
2018-05-14 15:37 [gentoo-commits] proj/portage:master commit in: pym/portage/util/_async/ Zac Medico
2018-04-30 6:29 Zac Medico
2018-04-29 22:24 Zac Medico
2018-04-29 6:09 Zac Medico
2018-04-29 4:12 Zac Medico
2018-04-28 23:29 Zac Medico
2018-04-28 23:20 Zac Medico
2018-04-28 23:08 Zac Medico
2018-04-26 9:37 Zac Medico
2018-04-26 8:06 Zac Medico
2018-04-26 5:49 Zac Medico
2018-04-23 1:03 Zac Medico
2018-04-22 17:50 Zac Medico
2018-04-19 6:28 Zac Medico
2017-02-08 9:39 Zac Medico
2013-07-07 2:17 Zac Medico
2013-01-05 15:20 Zac Medico
2013-01-05 3:41 Zac Medico
2012-10-18 1:24 Zac Medico
2012-10-16 6:51 Zac Medico
2012-10-08 13:49 Zac Medico
2012-10-06 1:54 Zac Medico
2012-10-03 18:56 Zac Medico
2012-10-03 18:39 Zac Medico
2012-10-03 17:40 Zac Medico
2012-10-03 10:19 Zac Medico
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1356766207.c7b3b1fbffb23f30c07fe57946221b62c54c1af9.zmedico@gentoo \
--to=zmedico@gentoo.org \
--cc=gentoo-commits@lists.gentoo.org \
--cc=gentoo-dev@lists.gentoo.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox