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[ refactor ] export signal to code conversions #3373

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merged 3 commits into from
Aug 18, 2024
Merged

[ refactor ] export signal to code conversions #3373

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bf1c245
[ refactor ] export signal to code conversions
stefan-hoeck Aug 18, 2024
dc042ab
[ doc ] add documentation
stefan-hoeck Aug 18, 2024
88e77bc
[ admin ] update CHANGELOG
stefan-hoeck Aug 18, 2024
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2 changes: 2 additions & 0 deletions CHANGELOG_NEXT.md
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Expand Up @@ -213,6 +213,8 @@ This CHANGELOG describes the merged but unreleased changes. Please see [CHANGELO

* Added `fromRight` and `fromLeft` for extracting values out of `Either`, equivalent to `fromJust` for `Just`.

* Export `System.Signal.signalCode` and `System.Signal.toSignal`.

#### Contrib

* `Data.List.Lazy` was moved from `contrib` to `base`.
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5 changes: 5 additions & 0 deletions libs/base/System/Signal.idr
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Expand Up @@ -105,6 +105,9 @@ Eq Signal where
SigPosix x == SigPosix y = x == y
_ == _ = False

||| Converts a `Signal` to its integer representation to be used
||| in FFI calls.
export
signalCode : Signal -> Int
signalCode SigINT = prim__sigint
signalCode SigABRT = prim__sigabrt
Expand All @@ -117,6 +120,8 @@ signalCode (SigPosix SigTRAP ) = prim__sigtrap
signalCode (SigPosix SigUser1) = prim__sigusr1
signalCode (SigPosix SigUser2) = prim__sigusr2

||| Tries to convert an integer to the corresponding `Signal`.
export
toSignal : Int -> Maybe Signal
toSignal (-1) = Nothing
toSignal x = lookup x codes
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