[SCM] gawk branch, gawk-5.1-stable, updated. gawk-4.1.0-4361-ge03c882

[Andrew J. Schorr]

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The branch, gawk-5.1-stable has been updated
       via  e03c8822c48bedfe6cc7fbd5a9382d9630de6494 (commit)
      from  7d8a75a766b17fe395c0a82050d314c2dea57f3e (commit)

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- Log -----------------------------------------------------------------
http://git.sv.gnu.org/cgit/gawk.git/commit/?id=e03c8822c48bedfe6cc7fbd5a9382d9630de6494

commit e03c8822c48bedfe6cc7fbd5a9382d9630de6494
Author: Andrew J. Schorr <aschorr@telemetry-investments.com>
Date:   Tue Dec 7 12:00:22 2021 -0500

    Reorder statements in iolint to try to eliminate a race condition.

diff --git a/test/ChangeLog b/test/ChangeLog
index 3f36817..1fb76ba 100644
--- a/test/ChangeLog
+++ b/test/ChangeLog
@@ -1,3 +1,10 @@
+2021-12-07         Andrew J. Schorr      <aschorr@telemetry-investments.com>
+
+       * iolint.awk, iolint.ok: Reorder "cat" pipe/output file test to reduce
+       the likelihood of a race condition, since close operates on the
+       most-recently-used item. Thanks to Miguel Pineiro Jr.,
+       <mpj@pineiro.cc>, for suggesting the fix.
+
 2021-11-21         Arnold D. Robbins     <arnold@skeeve.com>
 
        * Makefile.am (EXTRA_DIST): stupid5, new test.
diff --git a/test/iolint.awk b/test/iolint.awk
index 042f743..3ebaf43 100644
--- a/test/iolint.awk
+++ b/test/iolint.awk
@@ -49,8 +49,8 @@ BEGIN {
        # `%.*s' used for output pipe and two-way pipe
        # Not doing |& due to race condition and signals. sigh
        cat = "cat"
-       print "hello" | "cat"
        print "/bin/cat \"$@\"" > "cat"
+       print "hello" | "cat"
        print close("cat")
        print close("cat")
        fflush()
diff --git a/test/iolint.ok b/test/iolint.ok
index 7a165aa..860bcfb 100644
--- a/test/iolint.ok
+++ b/test/iolint.ok
@@ -20,9 +20,9 @@ gawk: iolint.awk:42: warning: `echo hello' used for input 
pipe and output file
 0
 0
 gawk: iolint.awk:53: warning: `cat' used for output file and output pipe
-0
 hello
 0
+0
 gawk: iolint.awk:67: warning: `eval $CMD_TO_RUN' used for input pipe and 
output pipe
 0
 0

-----------------------------------------------------------------------

Summary of changes:
 test/ChangeLog  | 7 +++++++
 test/iolint.awk | 2 +-
 test/iolint.ok  | 2 +-
 3 files changed, 9 insertions(+), 2 deletions(-)


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