| 1 | ## our_shell: ysh
|
| 2 |
|
| 3 | #### trap --remove INT EXIT
|
| 4 |
|
| 5 | trap --add INT EXIT HUP {
|
| 6 | echo one
|
| 7 | echo two
|
| 8 | }
|
| 9 | trap -p > traps.txt
|
| 10 | wc -l traps.txt
|
| 11 | echo ---
|
| 12 |
|
| 13 | trap --remove INT EXIT
|
| 14 | trap -p > traps.txt
|
| 15 | wc -l traps.txt
|
| 16 | echo ---
|
| 17 |
|
| 18 | trap --add EXIT { echo 'exit' }
|
| 19 |
|
| 20 | ## STDOUT:
|
| 21 | 3 traps.txt
|
| 22 | ---
|
| 23 | 1 traps.txt
|
| 24 | ---
|
| 25 | exit
|
| 26 | ## END
|
| 27 |
|
| 28 | #### trap block arg is a not a closure - like cd and other builtins
|
| 29 |
|
| 30 | # e.g. We're not using ctx_EnclosedFrame in RunTrapsOnExit() and in the signal
|
| 31 | # handlers. It's more similar to OSH.
|
| 32 |
|
| 33 | var x = 'global'
|
| 34 |
|
| 35 | proc register {
|
| 36 | var x = 'local'
|
| 37 | trap --add EXIT {
|
| 38 | echo "x = $x"
|
| 39 | }
|
| 40 | }
|
| 41 |
|
| 42 | register
|
| 43 |
|
| 44 | ## STDOUT:
|
| 45 | x = global
|
| 46 | ## END
|