10
votes
how to tell, from the outside, if the output stream of a process has been closed?
The stream isn’t closed; the fact that you are able to try writing to it without receiving an EBADF error is proof of that. (See man 2 write for details.)
On Linux, given that you’re looking at a pipe,...
- 481k
3
votes
how to tell, from the outside, if the output stream of a process has been closed?
Update: After re-reading your question, I see that you were asking about monitoring it externally. Using lsof or looking in /proc/$PID/fd/$FD for the pipe info and trying to find a matching pair ...
- 12.4k
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