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authorAlexander Shishkin2010-07-25 13:07:39 +0200
committerDenys Vlasenko2010-07-25 13:07:39 +0200
commitccb977186100ccf6b443c5f08c8b179c9b7e720b (patch)
treed41df96ab2f9905fe8397c1dd1e6f30aaea69350 /shell/hush_test/hush-trap
parent7a2ba329b9235af4c647e0a88c1db023b51cf8a4 (diff)
downloadbusybox-ccb977186100ccf6b443c5f08c8b179c9b7e720b.zip
busybox-ccb977186100ccf6b443c5f08c8b179c9b7e720b.tar.gz
ash: fix $! value when traps are set
Signed-off-by: Alexander Shishkin <virtuoso@slind.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'shell/hush_test/hush-trap')
-rw-r--r--shell/hush_test/hush-trap/signal7.right1
-rwxr-xr-xshell/hush_test/hush-trap/signal7.tests18
2 files changed, 19 insertions, 0 deletions
diff --git a/shell/hush_test/hush-trap/signal7.right b/shell/hush_test/hush-trap/signal7.right
new file mode 100644
index 0000000..ba7453e
--- /dev/null
+++ b/shell/hush_test/hush-trap/signal7.right
@@ -0,0 +1 @@
+Bug detected: 0
diff --git a/shell/hush_test/hush-trap/signal7.tests b/shell/hush_test/hush-trap/signal7.tests
new file mode 100755
index 0000000..c2b1381
--- /dev/null
+++ b/shell/hush_test/hush-trap/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: $?"
+}