# Changelog for extensible-effects-concurrent
## 0.14.1
- Add Server2 based observation handling with `handleObservations`
## 0.14.0
- Fix/Improve Server2
## 0.13.2
- Add `ProcessFinished`
- Add `tryUninterrupted`
- Add simpler `Server2`
## 0.13.1
- Remove misguided `MonadCatch` constraints in the `ObservationQueueReader`
functions, and use `Interrupts` instead
## 0.13.0
- Fix bad constraints in `Queue` observer
## 0.12.2
- Fix some compiler warnings
## 0.12.1
- Fix build errors with GHC-8.6
## 0.12.0
- Add implicit SchedulerProxy
- Add flushMessages
- Add receiving with timeout
- Add process `Link`ing and `Monitoring`.
- Make the distinction between recoverable and non-recoverable exit explicit in
the type parameter of `ExitReason`, and introduce `interruptXXXX`
functions in addition to `shutdownXXXX` functions, to throw recoverable exits.
- Merge `ShutdownRequest` and `ExitReason`
- Rename `receiveLoopSuchThat` to `receiveSelectedLoop`
- Pass the exit reason to the callback passed to `receiveSelectedLoop`
- Rename `receiveMessage` to `receiveAnyMessage`
- Rename `receiveAnyLoop` to `receiveAnyLoop`
- Pass the exit reason to the callback passed to `receiveAnyLoop`
- Rename `receiveMessage` to `receiveAnyMessage`
- Rename `receiveMessageAs` to `receiveMessage`
- Rename `receiveLoop` to `receiveLoop`
- Pass the exit reason to the callback passed to `receiveAnyLoop`
- Remove `SchedulerShuttingDown`
- Improve logging for exceptions in `ForkIOScheduler`
- Fix a bug in the logging system that caused all log filters to be forgotten
when using unliftings such as `MonadBaseControl`, `MonadThrow`, `MonadCatch`
and `MonadMask`
- Fix the scheduler schutdown to not always run into the cancellation timeout
## 0.11.1
- Fix a compilation error
## 0.11.0
- Change the return type of `spawnCallbackObserver` from
`Bool` to `ApiServerCmd`
## 0.10.0
- Re-introduce a Logs Effect but keep the LogWriter Reader
- Get rid of the LogWriterProxy and the implicit argument
- Make logging stricter: require log message to be NFData instances
## 0.9.2
- Try to adapt the dependency versions to make hackage happy again
## 0.9.1
- Add smart constructors for `MessageSelector`
- Remove `ReceiveMessage` `Process` action
- Rename `ReceiveMessageSuchThat` to `ReceiveSelectedMessage`
- Improve some Show instances, e.g. ProcessId
- Rewrite Logging API:
- Vastly simplified API
## 0.9.0
- Make `ForkIOScheduler` faster and more robust
- Add `ExitReason`
- Add `ProcessState`
- Add `ShutdownRequest` type
- Rewrite logging to be a `Reader` of a `LogWriter`
- Remove pure logging, the `Logs...` constraint must be
accompanied by `Lifted IO` (or `MonadIO`) in many log functions
most prominently `logMsg`
- Add a `lmDistance` field in `LogMessage`
- Add `increaseLogMessageDistance` and `dropDistantLogMessages`
using the new `lmDistance` field
- Add a newtype for the argument to selective receives: `MessageSelector`
- Add a `makeReference` function to `Process` which will return process local
unique `Int`s
- Rename `spawnServer` to `spawnServerWithEffects` and add a simpler version of
`spawnServerWithEffects` called `spawnServer`
- Make all `ApiHandler` handler callbacks optional (by changing the type to `Maybe ...`)
- `ApiHandler` must now return an `ApiServerCmd`.
- Add `ApiServerCmd` which allows handler functions to leave to server loop without
exitting the process
- Fix `Observer.Queue`
- Rename fields in `ApiHandler`
- Add smart constructors for `ApiHandler`
## 0.8.0
- Add selective receive
- Complete `Api.Server` rewrite (simplification)
- Move examples to `./examples/` and add executables to the
cabal file
## 0.7.3
- Add `withFrozenCallStack` to exposed functions
- Add `ObserverState` type alias
## 0.7.2
- Add `ObservationQueue` utility
- Fix missing re-exports from
`Control.Eff.Concurrent.Api.Client`
in `Control.Eff.Concurrent` introduced in recent versions
## 0.7.1
- Improve call-stack support in log messages
- Expose `setLogMessageTimestamp` and `setLogMessageThreadId`
## 0.7.0
- Remove the parameter from `closeLogChannelAfter` that had the optional:
last-log-message-before-channel-closes
## 0.6.4
- Add `whereIsServer`
## 0.6.3
- Add `ServerReader` type alias
## 0.6.2
- Fix bad `containers` version boundary
## 0.6.1
- Improve Experimental Nix Expressions
## 0.6.0
- Rewrite Logging
- Improve Experimental Nix Expressions
## 0.5.0.0
- Switch to `extensible-effects` version `3.1.0.0`
- Bump to stackage LTS-12.9
- Add `Control.Eff.Log.MessageFactory`
- Add `Control.Eff.Log.Message`
## 0.4.0.0
- Switch to `extensible-effects` version `3.0.0.0`
- Improve single threaded scheduler to be more space efficient
- Add some strictness annotations
- Add `Control.Eff.Loop` with (hopefully) constant space `forever` and
`replicateM_`
- Add `Control.Eff.Concurrent`, a module that conveniently re-exports most
library functions.
## 0.3.0.2
- Improve single threaded scheduler such that the main process can return a value
## 0.3.0.1
- Fix a race condition in the SchedulerSession shutdown
- Improve the interactive scheduler session API
- Rename `SchedulerVar` -> `SchedulerSession`
- Remove `submitPrint`
## 0.3.0.0
- Add support for running and interacting with a scheduler
and it's processes from IO, for example from ghci
- Rename `yieldProcess` to `executeAndResumeOrExit`
- Add an actual `yieldProcess`, that behaves like `yield`
- Change the return type of function to `()` where applicable
to avoid all these `_ <- sendMessage...` or `void $ sendMessage`
dances.
- Add a simple logging observer: `spawnLoggingObserver`
- Removed `Control.Eff.Interactive`
- Removed most functions in `Control.Eff.ExceptionExtra`
- Make `sendMessage` and the reply in `call` strict with respect to the message
payload
## 0.2.0.3
- Improve 'Api' documentation
- Improve `LogChannel` API
- Reorganize unit tests
- Hopefully tune travis ci test parameter enough to get a stable build result
## 0.2.0.2
- Fix minor `stack upload` complaints about the cabal file
## 0.2.0.1
- Simplify IO Exception handling in `ForkIoScheduler`,
- Add many unit tests for exception, exit and shutdown
## 0.2.0.0
- Add `Spawn` to `Process`
- Merge `MessagePassing` and `Process`
- Add initial test suite
- Fix shutdown error in `ForkIoScheduler`
- Rename `Dispatcher` to `Scheduler`
- Add `receiveAnyLoop` function to `Process`
- Change `Api.Server` `serve` to loop instead of handling just one request
- Allow combining multiple `ApiHandler` such that one process can handle
multiple APIs
## 0.1.3.0
- Rename and split `GenServer` to `Api`, `Api.Client`, `Api.Server`
- Add `registerServer`, `callRegistered` and `castRegistered`
- Remove the variant of `cast` that returns a boolean
## 0.1.2.2
- Try to fix version bounds for hackage
## 0.1.2.1
- Add more documentation
- Simplify Scheduler API
- Make more exception safe
## 0.1.2.0
- Add Observer module
- Implement Exception handling
- Improve Scheduler shutdown
- Add logging support via the logging-effect library
## 0.1.1.0
- Substantial API reorganization
- Rename/Move modules
## 0.1.0.1
- Stack/Cabal/Github Cosmetics
- Travis build job
## 0.1.0.0
- Initial Version