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</script></head><body><div id="package-header"><ul class="links" id="page-menu"><li><a href="src/Control-Concurrent-QSem-Lifted.html">Source</a></li><li><a href="index.html">Contents</a></li><li><a href="doc-index.html">Index</a></li></ul><p class="caption">lifted-base-0.2.3.6: lifted IO operations from the base library</p></div><div id="content"><div id="module-header"><table class="info"><tr><th>Copyright</th><td>Liyang HU, Bas van Dijk</td></tr><tr><th>License</th><td>BSD-style</td></tr><tr><th>Maintainer</th><td>Bas van Dijk <v.dijk.bas@gmail.com></td></tr><tr><th>Stability</th><td>experimental</td></tr><tr><th>Safe Haskell</th><td>Trustworthy</td></tr><tr><th>Language</th><td>Haskell98</td></tr></table><p class="caption">Control.Concurrent.QSem.Lifted</p></div><div id="description"><p class="caption">Description</p><div class="doc"><p>This is a wrapped version of <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Control-Concurrent-QSem.html">Control.Concurrent.QSem</a> with types
generalised from <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/System-IO.html#t:IO">IO</a></code> to all monads in <code><a href="file:///usr/share/doc/libghc-transformers-base-doc/html/Control-Monad-Base.html#t:MonadBase">MonadBase</a></code>.</p></div></div><div id="synopsis"><p id="control.syn" class="caption expander" onclick="toggleSection('syn')">Synopsis</p><ul id="section.syn" class="hide" onclick="toggleSection('syn')"><li class="src short"><span class="keyword">data</span> <a href="#t:QSem">QSem</a> :: *</li><li class="src short"><a href="#v:newQSem">newQSem</a> :: <a href="file:///usr/share/doc/libghc-transformers-base-doc/html/Control-Monad-Base.html#t:MonadBase">MonadBase</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/System-IO.html#t:IO">IO</a> m => <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Int.html#t:Int">Int</a> -> m <a href="Control-Concurrent-QSem-Lifted.html#t:QSem">QSem</a></li><li class="src short"><a href="#v:waitQSem">waitQSem</a> :: <a href="file:///usr/share/doc/libghc-transformers-base-doc/html/Control-Monad-Base.html#t:MonadBase">MonadBase</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/System-IO.html#t:IO">IO</a> m => <a href="Control-Concurrent-QSem-Lifted.html#t:QSem">QSem</a> -> m ()</li><li class="src short"><a href="#v:signalQSem">signalQSem</a> :: <a href="file:///usr/share/doc/libghc-transformers-base-doc/html/Control-Monad-Base.html#t:MonadBase">MonadBase</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/System-IO.html#t:IO">IO</a> m => <a href="Control-Concurrent-QSem-Lifted.html#t:QSem">QSem</a> -> m ()</li></ul></div><div id="interface"><h1>Documentation</h1><div class="top"><p class="src"><span class="keyword">data</span> <a name="t:QSem" class="def">QSem</a> :: *</p><div class="doc"><p><code><a href="Control-Concurrent-QSem-Lifted.html#t:QSem">QSem</a></code> is a quantity semaphore in which the resource is aqcuired
and released in units of one. It provides guaranteed FIFO ordering
for satisfying blocked <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Control-Concurrent-QSem.html#v:waitQSem">waitQSem</a></code> calls.</p><p>The pattern</p><pre> bracket_ waitQSem signalQSem (...)</pre><p>is safe; it never loses a unit of the resource.</p></div></div><div class="top"><p class="src"><a name="v:newQSem" class="def">newQSem</a> :: <a href="file:///usr/share/doc/libghc-transformers-base-doc/html/Control-Monad-Base.html#t:MonadBase">MonadBase</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/System-IO.html#t:IO">IO</a> m => <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Int.html#t:Int">Int</a> -> m <a href="Control-Concurrent-QSem-Lifted.html#t:QSem">QSem</a> <a href="src/Control-Concurrent-QSem-Lifted.html#newQSem" class="link">Source</a></p><div class="doc"><p>Generalized version of <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Control-Concurrent-QSem.html#v:newQSem">newQSem</a></code>.</p></div></div><div class="top"><p class="src"><a name="v:waitQSem" class="def">waitQSem</a> :: <a href="file:///usr/share/doc/libghc-transformers-base-doc/html/Control-Monad-Base.html#t:MonadBase">MonadBase</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/System-IO.html#t:IO">IO</a> m => <a href="Control-Concurrent-QSem-Lifted.html#t:QSem">QSem</a> -> m () <a href="src/Control-Concurrent-QSem-Lifted.html#waitQSem" class="link">Source</a></p><div class="doc"><p>Generalized version of <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Control-Concurrent-QSem.html#v:waitQSem">waitQSem</a></code>.</p></div></div><div class="top"><p class="src"><a name="v:signalQSem" class="def">signalQSem</a> :: <a href="file:///usr/share/doc/libghc-transformers-base-doc/html/Control-Monad-Base.html#t:MonadBase">MonadBase</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/System-IO.html#t:IO">IO</a> m => <a href="Control-Concurrent-QSem-Lifted.html#t:QSem">QSem</a> -> m () <a href="src/Control-Concurrent-QSem-Lifted.html#signalQSem" class="link">Source</a></p><div class="doc"><p>Generalized version of <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Control-Concurrent-QSem.html#v:signalQSem">signalQSem</a></code>.</p></div></div></div></div><div id="footer"><p>Produced by <a href="http://www.haskell.org/haddock/">Haddock</a> version 2.16.1</p></div></body></html>
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