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author | Alexander Shishkin <virtuoso@slind.org> | 2010-07-25 13:07:39 +0200 |
---|---|---|
committer | Denys Vlasenko <vda.linux@googlemail.com> | 2010-07-25 13:07:39 +0200 |
commit | ccb977186100ccf6b443c5f08c8b179c9b7e720b (patch) | |
tree | d41df96ab2f9905fe8397c1dd1e6f30aaea69350 /shell/ash_test | |
parent | 7a2ba329b9235af4c647e0a88c1db023b51cf8a4 (diff) | |
download | busybox-w32-ccb977186100ccf6b443c5f08c8b179c9b7e720b.tar.gz busybox-w32-ccb977186100ccf6b443c5f08c8b179c9b7e720b.tar.bz2 busybox-w32-ccb977186100ccf6b443c5f08c8b179c9b7e720b.zip |
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/ash_test')
-rw-r--r-- | shell/ash_test/ash-signals/signal7.right | 1 | ||||
-rwxr-xr-x | shell/ash_test/ash-signals/signal7.tests | 18 |
2 files changed, 19 insertions, 0 deletions
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 @@ | |||
1 | bug() { | ||
2 | trap : exit | ||
3 | # Bug was causing sh to be run in subshell, | ||
4 | # as if this line is replaced with (sh -c ...; exit $?) & | ||
5 | # here: | ||
6 | sh -c 'echo REAL_CHILD=$$' & | ||
7 | echo PARENTS_IDEA_OF_CHILD=$! | ||
8 | wait # make sure bkgd shell completes | ||
9 | } | ||
10 | |||
11 | bug | { | ||
12 | while read varval; do | ||
13 | eval $varval | ||
14 | done | ||
15 | test x"$REAL_CHILD" != x"" \ | ||
16 | && test x"$REAL_CHILD" = x"$PARENTS_IDEA_OF_CHILD" | ||
17 | echo "Bug detected: $?" | ||
18 | } | ||