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[PATCH] document the core-dump-to-a-pipe patch

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The pipe-a-coredump-to-a-program feature was undocumented.
*Grumble*.

NB: a good enhancement to that patch would be: save all the stuff that a
core file can get from the %x expansions in the environment.

Signed-off-by: Matthias Urlichs <matthias@urlichs.de>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Matthias Urlichs 2006-10-11 01:21:57 -07:00 committed by Linus Torvalds
parent 01a3ee2b20
commit cd0810410b
1 changed files with 4 additions and 1 deletions
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5
Documentation/sysctl/kernel.txt
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@ -86,7 +86,7 @@ valid for 30 seconds.
core_pattern:
core_pattern is used to specify a core dumpfile pattern name.
. max length 64 characters; default value is "core"
. max length 128 characters; default value is "core"
. core_pattern is used as a pattern template for the output filename;
certain string patterns (beginning with '%') are substituted with
their actual values.
@ -105,6 +105,9 @@ core_pattern is used to specify a core dumpfile pattern name.
%h hostname
%e executable filename
%<OTHER> both are dropped
. If the first character of the pattern is a '|', the kernel will treat
the rest of the pattern as a command to run. The core dump will be
written to the standard input of that program instead of to a file.
==============================================================