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Top Forums Programming Problem on capturing system Shutdown Post 302847739 by Corona688 on Tuesday 27th of August 2013 04:26:59 PM
Old 08-27-2013
Quote:
Originally Posted by hakermania
And one last thing: If my disk is not writable when I receive the signal, how the heck am I going to do my cleanup? How are other linux applications do stuff like this?
It may be getting proper cleanup, I'm not sure. Daemons definitely do, I'm not so sure of random user processes that happen to be sitting around.

My suggestion would be to try the suggestion I made earlier, unlinking the file...
 

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killall(1M)															       killall(1M)

NAME
killall - kill all active processes SYNOPSIS
[signal] DESCRIPTION
is a procedure used by to kill all active processes not directly related to the shutdown procedure. is chiefly used to terminate all processes with open files so that the mounted file systems are no longer busy and can be unmounted. sends the specified signal to all user processes in the system, with the following exceptions: the process; all processes (including background processes) associated with the terminal from which was invoked; any process, if owned by any process, if owned by any process; any process; any process. obtains its process information from and therefore may not be able to perfectly identify which processes to signal (see ps(1)). If no signal is specified, a default of (kill) is used. is invoked automatically by The use of is recommended over using by itself (see shutdown(1M)). FILES
SEE ALSO
fuser(1M), kill(1), ps(1), shutdown(1M), signal(5). STANDARDS CONFORMANCE
killall(1M)
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