Re: Lindows programs unexpectantly closing
- From: goarilla <kevin.paulus@xxxxxxxxx>
- Date: Sat, 30 Jun 2007 00:41:12 +0200
Chris F.A. Johnson wrote:
On 2007-06-29, sk8r-365 wrote:i agreeChris F.A. Johnson said:On 2007-06-29, sk8r-365 wrote:Not always the case from what I've seen. Had a problem with gphoto2If you use '&' there is little likelihood for output because thatA background process *is* a child of the shell that spawned it, and
shell will not have that app as a child process.
anything it sends to stdout or stderr will appear in that shell.
a while ago - I use a card reader now because of it - and _no_ error
messages appeared *anywhere* I searched to indicate why the application
crashed when trying to access the camera. Plus, on Debian Etch,
gnomesword 2.1.9-1 crashes without any output messages either to console
or .xsession-errors when executed without or without an ampersand.
Then they are not sending anything to stdout or stderr. Putting
them in the background or not will make no difference.
some programs dont even open the necessary file handles to even report stdout and stderr back to the terminal
check this by cat /proc/process_id/fd/* if they don't have a console or pseudo console
as file handle then they can't even report back to the term that has started it
you can however start a process in background with a parent process that's a subshell like this
( command &)
if you do that then yes it won't report back to the terminal the command was typed in
.
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