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Groups > comp.lang.python > #65765
| References | <cf62da1e-45f0-4ace-924a-b3035063c71e@googlegroups.com> <mailman.6578.1391943647.18130.python-list@python.org> <roy-960294.09455209022014@news.panix.com> |
|---|---|
| Date | 2014-02-09 09:40 -0600 |
| Subject | Re: system wide mutex |
| From | Skip Montanaro <skip@pobox.com> |
| Newsgroups | comp.lang.python |
| Message-ID | <mailman.6591.1391960403.18130.python-list@python.org> (permalink) |
On Sun, Feb 9, 2014 at 8:45 AM, Roy Smith <roy@panix.com> wrote: > This is true of all mutexes, no? Hmmm... You might well be right. I thought that use of the O_EXLOCK flag in the open(2) system call would prevent other processes from opening the file, but (at least on my Mac) it just blocks until the first process closes the file. Perhaps there are some other flags you can use to cause the second open(2) call to error out. Skip
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system wide mutex Asaf Las <roegltd@gmail.com> - 2014-02-09 02:39 -0800
Re: system wide mutex Asaf Las <roegltd@gmail.com> - 2014-02-09 03:00 -0800
Re: system wide mutex Skip Montanaro <skip@pobox.com> - 2014-02-09 05:00 -0600
Re: system wide mutex Asaf Las <roegltd@gmail.com> - 2014-02-09 03:07 -0800
Re: system wide mutex Roy Smith <roy@panix.com> - 2014-02-09 09:45 -0500
Re: system wide mutex Skip Montanaro <skip@pobox.com> - 2014-02-09 09:40 -0600
Re: system wide mutex Chris Angelico <rosuav@gmail.com> - 2014-02-10 09:09 +1100
Re: system wide mutex Marko Rauhamaa <marko@pacujo.net> - 2014-02-09 18:14 +0200
Re: system wide mutex Asaf Las <roegltd@gmail.com> - 2014-02-09 09:39 -0800
Re: system wide mutex Grant Edwards <invalid@invalid.invalid> - 2014-02-10 17:00 +0000
Re: system wide mutex Miki Tebeka <miki.tebeka@gmail.com> - 2014-02-10 09:46 -0800
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