How to get the list of all my open file(descriptor)s and locks?
Hans Mulder
hansmu at xs4all.nl
Thu Sep 20 04:30:30 EDT 2012
On 20/09/12 05:11:11, Chris Angelico wrote:
> On Thu, Sep 20, 2012 at 7:09 AM, Ian Kelly <ian.g.kelly at gmail.com> wrote:
>> You could do:
>>
>> os.listdir("/proc/%d/fd" % os.getpid())
>>
>> This should work on Linux, AIX, and Solaris, but obviously not on Windows.
On MacOS X, you can use
os.listdir("/dev/fd")
This might work on other OSes.
> I'm not sure how cross-platform it is, but at least on Linux, you can
> use /proc/self as an alias for "/proc/"+os.getpid() - worth a try,
> might make your code a bit easier to read.
>
> It's documented as useful when you don't know the PID yet (eg telling
> a process to read the file /proc/self/fd/0 to force it to use stdin).
At least on Linux, Solaris and MacOS X, you shouldd use /dev/stdin,
which is a symlink to whatever the official name is.
"/dev/stdin" is more readable and more portable than the official name.
> So I'm confident enough to recommend testing it. :)
Testing such things is the best way to learn.
Hope this helps,
-- HansM
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