From ccb977186100ccf6b443c5f08c8b179c9b7e720b Mon Sep 17 00:00:00 2001 From: Alexander Shishkin Date: Sun, 25 Jul 2010 13:07:39 +0200 Subject: ash: fix $! value when traps are set Signed-off-by: Alexander Shishkin Signed-off-by: Denys Vlasenko --- shell/ash_test/ash-signals/signal7.right | 1 + shell/ash_test/ash-signals/signal7.tests | 18 ++++++++++++++++++ 2 files changed, 19 insertions(+) create mode 100644 shell/ash_test/ash-signals/signal7.right create mode 100755 shell/ash_test/ash-signals/signal7.tests (limited to 'shell/ash_test') diff --git a/shell/ash_test/ash-signals/signal7.right b/shell/ash_test/ash-signals/signal7.right new file mode 100644 index 000000000..ba7453e42 --- /dev/null +++ b/shell/ash_test/ash-signals/signal7.right @@ -0,0 +1 @@ +Bug detected: 0 diff --git a/shell/ash_test/ash-signals/signal7.tests b/shell/ash_test/ash-signals/signal7.tests new file mode 100755 index 000000000..c2b1381f9 --- /dev/null +++ b/shell/ash_test/ash-signals/signal7.tests @@ -0,0 +1,18 @@ +bug() { + trap : exit + # Bug was causing sh to be run in subshell, + # as if this line is replaced with (sh -c ...; exit $?) & + # here: + sh -c 'echo REAL_CHILD=$$' & + echo PARENTS_IDEA_OF_CHILD=$! + wait # make sure bkgd shell completes +} + +bug | { +while read varval; do + eval $varval +done +test x"$REAL_CHILD" != x"" \ +&& test x"$REAL_CHILD" = x"$PARENTS_IDEA_OF_CHILD" +echo "Bug detected: $?" +} -- cgit v1.2.3