Packages

  • package root
    Definition Classes
    root
  • package io

    This is the documentation for the ThreadCSO Library.

    This is the documentation for the ThreadCSO Library. Notable packages include:

    Definition Classes
    root
  • package threadcso

    The standard threadCSO API.

    The standard threadCSO API. Most modules using CSO will need only the declaration:

    import io.threadcso._

    The present version of the ThreadCSO library API is 1.2Rr (for some number r)

    The revision number (Rr) will change if bugs are corrected but the code remains consistent with the previous API. Its minor version number will change if there is a correction to the code that breaks consistency with the previous API. Its major version will change if there is a substantial change in the semantics of an important CSO construct.

    August 2017: changes 1.1 => 1.2

    • renaming of very many internal classes and packages
    • basic channel implementations are more efficient, in some case much more so
    • alternation reliability improved
    • debugger registration of alternations is no longer needed
    • home-grown semaphores can specify which component they are part of: this makes interpreting a stack backtrace very much easier
    • there is a flexible logging system that is compatible with the debugger

    April 2016: changes 1.0 => 1.1

    • Extended rendezvous read operator is now ?? (was ?)
    • Extended rendezvous read event notation is now =??=> (was =?=>>)
    • The notation inport ? f is now equivalent to f(inport?()) This makes for a tidier layout when the function f is an explicit functional expression.

    Feb 1 2017: changes 1.1R1 => 1.1R2

    • Removed dependencies on deprecated Java->Scala functions: replaced with .asJava
    @author Bernard Sufrin, Oxford
    $Revision: 286 $
    $Date: 2017-11-18 17:41:30 +0000 (Sat, 18 Nov 2017) $
    Definition Classes
    io
  • package channel

    Specifies primitive (non-alternation-capable) ports and channels; and implements several channel types.

    Specifies primitive (non-alternation-capable) ports and channels; and implements several channel types.

    Definition Classes
    threadcso
  • CLOSEDSTATE
  • Chan
  • Closed
  • InPort
  • N2N
  • N2NBuf
  • OneOne
  • OneOneBuf
  • OutPort
  • PortState
  • READYSTATE
  • SharedChan
  • SharedInPort
  • SharedOutPort
  • SyncChan
  • UNKNOWNSTATE

trait OutPort[-T] extends AnyRef

A channel is a sequential conduit for data that is written to its OutPort, and subsequently read from its InPort.

For most normal channels at any instant: the sequence of data that has been read from the channel with ? is a prefix of the sequence of data written to the channel by !. Dropping channels may drop data under conditions of congestion.

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Abstract Value Members

  1. abstract def !(value: T): Unit

    Output value to the port's channel.

  2. abstract def canOutput: Boolean

    Returns false if no further output can be accepted by this port.

    Returns false if no further output can be accepted by this port. Returning true is not a guarantee that further output will be accepted.

  3. abstract def closeOut(): Unit

    Signal that no further values will be output from the invoking thread: idempotent

  4. abstract def name: String

    Name of the channel this port can write to

  5. abstract def outPortState: PortState

    Current state of this port: for alternation implementations

  6. abstract def writeBefore(nsWait: Long)(value: T): Boolean

    Output value to the port's channel before nsWait has elapsed, and return true; or return false

Concrete Value Members

  1. final def !=(arg0: Any): Boolean
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  2. final def ##(): Int
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  3. final def ==(arg0: Any): Boolean
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  8. def finalize(): Unit
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  9. final def getClass(): Class[_]
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  10. def hashCode(): Int
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  11. final def isInstanceOf[T0]: Boolean
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  12. final def ne(arg0: AnyRef): Boolean
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  13. final def notify(): Unit
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  14. final def notifyAll(): Unit
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  15. final def synchronized[T0](arg0: ⇒ T0): T0
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  16. def toString(): String
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  17. final def wait(): Unit
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  18. final def wait(arg0: Long, arg1: Int): Unit
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