tests: an explicative comment on signal-related woes

* tests/self-check-exit.tap: Add pointer to a bug-autoconf
discussion explaining why this test needs to temporarily block
SIGINT.

diff --git a/ChangeLog b/ChangeLog
index 909b3377244ec330de9830698ce08856cde6855d..8c9615b6e2d2bbccb535d9a6d532af893c218f2b 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2011-09-13  Stefano Lattarini  <stefano.lattarini@gmail.com>
+
+       tests: an explicative comment on signal-related woes
+       * tests/self-check-exit.tap: Add pointer to a bug-autoconf
+       discussion explaining why this test needs to temporarily block
+       SIGINT.
+
 2011-09-13  Stefano Lattarini  <stefano.lattarini@gmail.com>
 
        tests: also trap SIGQUIT; other fixes

diff --git a/tests/self-check-exit.tap b/tests/self-check-exit.tap
index 563500b2e0406b6b2c28a0081432e2de62ae12ec..5ac8b8f0ed1430d044819e2b747adfb36d46d0a3 100755 (executable)
--- a/tests/self-check-exit.tap
+++ b/tests/self-check-exit.tap
@@ -46,8 +46,9 @@ for sig in 1 2 13 15; do
     continue
   fi
   if test $sig -eq 2; then
-    # Some Korn shells might otherwise get a spurious SIGINT
-    # signal when one is sent to the child $SHELL.
+    # Some Korn shells might otherwise get a spurious SIGINT signal when
+    # one is sent to the child $SHELL.  For more details, see:
+    # <http://lists.gnu.org/archive/html/bug-autoconf/2011-09/msg00004.html>
     trap : 2
   fi
   $SHELL -c  "$init; kill -$sig \$\$; :"