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authorThomas Schwinge <thomas@codesourcery.com>2012-11-27 17:39:50 +0100
committerThomas Schwinge <thomas@codesourcery.com>2012-11-27 17:39:50 +0100
commit69f4f531625bb0fa3c5ab667279106dd77ae9732 (patch)
treef8f048ce5d7ea9150d0cb4cd7609bd82095d80cc
parent2bf43f4d28c19f346d4261630dadcca15f1389df (diff)
hurd/debugging/translator/capturing_stdout_and_stderr: Enhance example.
-rw-r--r--hurd/debugging/translator/capturing_stdout_and_stderr.mdwn13
1 files changed, 7 insertions, 6 deletions
diff --git a/hurd/debugging/translator/capturing_stdout_and_stderr.mdwn b/hurd/debugging/translator/capturing_stdout_and_stderr.mdwn
index b7cfc3c9..47fbbc48 100644
--- a/hurd/debugging/translator/capturing_stdout_and_stderr.mdwn
+++ b/hurd/debugging/translator/capturing_stdout_and_stderr.mdwn
@@ -1,4 +1,4 @@
-[[!meta copyright="Copyright © 2008, 2009, 2010 Free Software Foundation,
+[[!meta copyright="Copyright © 2008, 2009, 2010, 2012 Free Software Foundation,
Inc."]]
[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable
@@ -6,8 +6,8 @@ id="license" text="Permission is granted to copy, distribute and/or modify this
document under the terms of the GNU Free Documentation License, Version 1.2 or
any later version published by the Free Software Foundation; with no Invariant
Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license
-is included in the section entitled
-[[GNU Free Documentation License|/fdl]]."]]"""]]
+is included in the section entitled [[GNU Free Documentation
+License|/fdl]]."]]"""]]
Sometimes it may already be helpful to capture a translator's `stdout` and
`stderr`, for example in this situation where [[translator/pfinet]] was
@@ -15,13 +15,14 @@ silently dying all the time, without any console output:
$ sudo settrans -fgap ↩
/servers/socket/2 ↩
- /bin/sh -c '/hurd/pfinet -i eth0 -a [...] > /tmp/stdout 2> /tmp/stderr'
+ /bin/sh -c 'exec >> /root/pfinet.log 2>&1 && date && ↩
+ /hurd/pfinet -i eth0 -a [...]'
$ [...]
- $ cat /tmp/stdout
+ $ cat /root/pfinet.log
+ [date]
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP
TCP: Hash tables configured (ehash 65536 bhash 65536)
- $ cat /tmp/stderr
pfinet: ../../hurd.work/pfinet/ethernet.c:196: ethernet_xmit: Unexpected error: (os/device) invalid IO size.
(Trying to run [[GDB]] in this case was of no help -- due to a bug in GDB