[Python-Dev] Add sendfile() to core?

[Hye-Shik Chang]

On Wed, Mar 20, 2002 at 10:14:49PM +0100, Martin v. Loewis wrote:
>
> Certainly. posixmodule.c is traditionally the place for wrappers
> around function supported one atleast some Unixish systems; it
> contains already functions less useful than sendfile.
> 

I did some quick hack to use 'setproctitle' of sendmail.
I think it is very useful for daemons to show their status.
I'm sorry but, can you review this for posixmodule candidate, too?

http://fallin.lv/distfiles/xposix-0.0.1.tar.gz

I tested only on FreeBSD and Linux.


DEMO on FreeBSD

Python 2.2 Stackless 020305 (#4, Mar  6 2002, 04:20:41)
[GCC 2.95.3 20010315 (release) [FreeBSD]] on freebsd4
Type "help", "copyright", "credits" or "license" for more information.
>>> import xposix
>>> dir(xposix)
['PRIO_PGRP', 'PRIO_PROCESS', 'PRIO_USER', '__builtins__', '__doc__', '__file__', '__name__', '__path__', '_priority', '_setproctitle', 'getpriority', 'setpriority', 'setproctitle']
>>> xposix.getpriority(xposix.PRIO_PROCESS, 33762)
0
>>> xposix.setpriority(xposix.PRIO_PROCESS, 33762, 5)
>>> xposix.getpriority(xposix.PRIO_PROCESS, 33762)
5
>>> import os
>>> xposix.setproctitle("searching for the honeypot.. <wink>")
>>> os.system("ps auxw|grep 'searching'")
perky 29060  0.0  1.0  3676 2648  p8  S+    5:41PM   0:00.11 python2.2: searching for the honeypot.. <wink> (python2.2)
perky 30392  0.0  0.2   732  392  p8  S+    5:45PM   0:00.00 sh -c ps auxw|grep 'searching'
perky 30394  0.0  0.3  1176  720  p8  S+    5:45PM   0:00.01 grep searching
>>>


DEMO on Linux

>>> xposix.setproctitle("Python: meeting his girl. *^-^*")
>>> os.system("ps auxw|grep Python")
perky     6231  0.0  0.3  3544 1920 pts/18   S    18:21   0:00 Python: meeting his girl. *^-^*
perky     6252  0.0  0.0  1048  500 pts/18   S    18:23   0:00 sh -c ps auxw|grep Python
perky     6254  0.0  0.0  1424  464 pts/18   S    18:23   0:00 grep Python
0
>>>
>>> xposix.getpriority(xposix.PRIO_PROCESS, 27456)
0
>>> xposix.setpriority(xposix.PRIO_PROCESS, 27456, 17)
>>> xposix.getpriority(xposix.PRIO_PROCESS, 27456)
17
>>>



Thank you!

--
Hye-Shik Chang <perky@fallin.lv>
Yonsei University, Seoul