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According to Eric Blake on 2/4/2007 9:45 PM:
>
> I'm thinking that I'll just change the test to use SIGKILL only, since we
> have proven that SIGPIPE is risky to rely on portably. M4 doesn't have a
> bug, so much as the testsuite.
Like so:
2007-02-05 Eric Blake <[EMAIL PROTECTED]>
* doc/m4.texinfo (Sysval): Avoid SIGPIPE in test as unreliable.
Reported by Albert Chin.
* THANKS: Update.
- --
Don't work too hard, make some time for fun as well!
Eric Blake [EMAIL PROTECTED]
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Index: doc/m4.texinfo
===================================================================
RCS file: /sources/m4/m4/doc/m4.texinfo,v
retrieving revision 1.1.1.1.2.112
diff -u -p -r1.1.1.1.2.112 m4.texinfo
--- doc/m4.texinfo 3 Feb 2007 23:11:24 -0000 1.1.1.1.2.112
+++ doc/m4.texinfo 5 Feb 2007 13:22:18 -0000
@@ -5152,17 +5152,19 @@ signal number shifted left by eight bits
@comment exits normally rather than letting the signal terminate it).
@comment Also, TERM is flaky, as it can also kill the running m4 on
@comment systems where /bin/sh does not create its own process group.
[EMAIL PROTECTED] That leaves KILL and PIPE as the two signals tested.
[EMAIL PROTECTED] And PIPE is unreliable, since people tend to run with it
[EMAIL PROTECTED] ignored, with m4 inheriting that choice. That leaves KILL as
[EMAIL PROTECTED] the only signal we can reliably test.
@example
dnl This test assumes kill is a shell builtin, and that signals are
dnl recognizable.
ifdef(`__unix__', ,
`errprint(` skipping: syscmd does not have unix semantics
')m4exit(`77')')dnl
-syscmd(`kill -13 $$')
+syscmd(`kill -9 $$')
@result{}
sysval
[EMAIL PROTECTED]
[EMAIL PROTECTED]
esyscmd(`kill -9 $$')
@result{}
sysval
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