Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > gnu.bash.bug > #15198 > unrolled thread

Re: crash (unhandled SIGPIPE) on write to closed file descriptor

Started byChet Ramey <chet.ramey@case.edu>
First post2019-07-22 11:28 -0400
Last post2019-07-22 11:28 -0400
Articles 1 — 1 participant

Back to article view | Back to gnu.bash.bug

This discussion starts older than the indexed window; earlier articles aren't shown. The article labeled Started by below is the oldest one visible, not the original post.


Contents

  Re: crash (unhandled SIGPIPE) on write to closed file descriptor Chet Ramey <chet.ramey@case.edu> - 2019-07-22 11:28 -0400

#15198 — Re: crash (unhandled SIGPIPE) on write to closed file descriptor

FromChet Ramey <chet.ramey@case.edu>
Date2019-07-22 11:28 -0400
SubjectRe: crash (unhandled SIGPIPE) on write to closed file descriptor
Message-ID<mailman.2000.1563809346.2688.bug-bash@gnu.org>
On 7/20/19 2:05 PM, Bonjour Abracadraba wrote:

> Bash Version: 5.0
> Patch Level: 3
> Release Status: release
> 
> Description:
> 	Bash 2.04 through 5.0 crash when trying to write to a closed socket.
> It is expected for bash to give an user error, but it exits instead.

This seems like user error. The script's actions caused the socket to
close, the next write generates SIGPIPE as a result, and SIGPIPE is a fatal
signal.

If you want the script to survive the SIGPIPE it generates, trap SIGPIPE.

Chet

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
		 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/

[toc] | [standalone]


Back to top | Article view | gnu.bash.bug


csiph-web