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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 18:33:23 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 18:33:23 +0000 |
commit | 1d5cace9db9aef76f26b2d7ba54bbb76443b00b2 (patch) | |
tree | 314a15dd1aa103da13bdc83ba1d2105a290bc5ba /tests/trap.tests | |
parent | Initial commit. (diff) | |
download | bash-89791e9f494bebe33a9c52292a98f4f079926078.tar.xz bash-89791e9f494bebe33a9c52292a98f4f079926078.zip |
Adding upstream version 5.0.upstream/5.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/trap.tests')
-rw-r--r-- | tests/trap.tests | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/tests/trap.tests b/tests/trap.tests new file mode 100644 index 0000000..637bfd2 --- /dev/null +++ b/tests/trap.tests @@ -0,0 +1,101 @@ +# test the trap code + +trap 'echo exiting' 0 +trap 'echo aborting' 1 2 3 6 15 + +# make sure a user-specified subshell runs the exit trap, but does not +# inherit the exit trap from a parent shell +( trap 'echo subshell exit' 0; exit 0 ) +( exit 0 ) + +trap + +func() +{ + trap 'echo ${FUNCNAME:-$0}[$LINENO] funcdebug' DEBUG + echo funcdebug line +} + +trap 'echo [$LINENO] debug' DEBUG +echo debug line + +trap + +func + +trap + +trap 'echo ${FUNCNAME:-$0}[$LINENO] debug' DEBUG +func2() +{ + echo func2debug line +} +declare -ft func2 +func2 + +unset -f func2 + +trap '' DEBUG + +trap + +trap - debug + +trap + +trap - HUP +trap hup +trap '' INT +trap '' int + +trap + +# exit 0 in exit trap should set exit status +( +set -e +trap 'exit 0' EXIT +false +echo bad +) +echo $? + +# hmmm...should this set the handling to SIG_IGN for children, too? +trap '' USR2 +./trap1.sub +trap - USR2 + +# test ERR trap +./trap2.sub + +${THIS_SH} ./trap3.sub + +${THIS_SH} ./trap4.sub + +# This doesn't work right on all Unix versions +#${THIS_SH} ./trap5.sub + +# Return trap issues +${THIS_SH} ./trap6.sub + +# +# show that setting a trap on SIGCHLD is not disastrous. +# +set -o monitor + +trap 'echo caught a child death' SIGCHLD + +sleep 7 & sleep 6 & sleep 5 & + +# this will only catch the first, since there's a trap on SIGCHLD +wait + +trap -p SIGCHLD + +# Now reset some of the signals the shell handles specially back to +# their default values (with or without the SIG prefix) +trap - SIGINT QUIT TERM + +trap + +trap - SIGCHLD +wait |