HDBC-2.1.0: Haskell Database ConnectivitySource codeContentsIndex
Database.HDBC.DriverUtils
Portabilityportable
Stabilityprovisional
MaintainerJohn Goerzen <jgoerzen@complete.org>
Description

Utilities for database backend drivers.

Please note: this module is intended for authors of database driver libraries only. Authors of applications using HDBC should use Database.HDBC exclusively.

Written by John Goerzen, jgoerzen@complete.org

Synopsis
type ChildList = MVar [Weak Statement]
closeAllChildren :: ChildList -> IO ()
addChild :: ChildList -> Statement -> IO ()
Documentation
type ChildList = MVar [Weak Statement]Source
closeAllChildren :: ChildList -> IO ()Source

Close all children. Intended to be called by the disconnect function in Connection.

There may be a potential race condition wherein a call to newSth at the same time as a call to this function may result in the new child not being closed.

addChild :: ChildList -> Statement -> IO ()Source
Adds a new child to the existing list. Also takes care of registering a finalizer for it, to remove it from the list when possible.
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