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| <title>tbb::spin_rw_mutex_v3::scoped_lock Class Reference</title> |
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| <a class="el" href="a00267.html">tbb</a>::<a class="el" href="a00196.html">spin_rw_mutex_v3</a>::<a class="el" href="a00197.html">scoped_lock</a></div> |
| <h1>tbb::spin_rw_mutex_v3::scoped_lock Class Reference</h1><!-- doxytag: class="tbb::spin_rw_mutex_v3::scoped_lock" -->The scoped locking pattern. |
| <a href="#_details">More...</a> |
| <p> |
| <code>#include <<a class="el" href="a00426.html">spin_rw_mutex.h</a>></code> |
| <p> |
| <a href="a00070.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0"> |
| <tr><td></td></tr> |
| <tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr> |
| <tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00197.html#d6ea60dee5563f702379bf5e51aa8806">scoped_lock</a> ()</td></tr> |
| |
| <tr><td class="mdescLeft"> </td><td class="mdescRight">Construct lock that has not acquired a mutex. <a href="#d6ea60dee5563f702379bf5e51aa8806"></a><br></td></tr> |
| <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="42a92d4f8fdde425b111cfa8a9228071"></a><!-- doxytag: member="tbb::spin_rw_mutex_v3::scoped_lock::scoped_lock" ref="42a92d4f8fdde425b111cfa8a9228071" args="(spin_rw_mutex &m, bool write=true)" --> |
| </td><td class="memItemRight" valign="bottom"><a class="el" href="a00197.html#42a92d4f8fdde425b111cfa8a9228071">scoped_lock</a> (<a class="el" href="a00196.html">spin_rw_mutex</a> &m, bool write=true)</td></tr> |
| |
| <tr><td class="mdescLeft"> </td><td class="mdescRight">Acquire lock on given mutex. <br></td></tr> |
| <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d7eaaa3f2e2c5dc11e7005811b1bdd04"></a><!-- doxytag: member="tbb::spin_rw_mutex_v3::scoped_lock::~scoped_lock" ref="d7eaaa3f2e2c5dc11e7005811b1bdd04" args="()" --> |
| </td><td class="memItemRight" valign="bottom"><a class="el" href="a00197.html#d7eaaa3f2e2c5dc11e7005811b1bdd04">~scoped_lock</a> ()</td></tr> |
| |
| <tr><td class="mdescLeft"> </td><td class="mdescRight">Release lock (if lock is held). <br></td></tr> |
| <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b0b646ec5be02a127d159bbb7ca65353"></a><!-- doxytag: member="tbb::spin_rw_mutex_v3::scoped_lock::acquire" ref="b0b646ec5be02a127d159bbb7ca65353" args="(spin_rw_mutex &m, bool write=true)" --> |
| void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00197.html#b0b646ec5be02a127d159bbb7ca65353">acquire</a> (<a class="el" href="a00196.html">spin_rw_mutex</a> &m, bool write=true)</td></tr> |
| |
| <tr><td class="mdescLeft"> </td><td class="mdescRight">Acquire lock on given mutex. <br></td></tr> |
| <tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a00197.html#3f0b1e3f2efab63336400348bd070226">upgrade_to_writer</a> ()</td></tr> |
| |
| <tr><td class="mdescLeft"> </td><td class="mdescRight">Upgrade reader to become a writer. <a href="#3f0b1e3f2efab63336400348bd070226"></a><br></td></tr> |
| <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="61b14d00a78185c9b2d206ebfc379124"></a><!-- doxytag: member="tbb::spin_rw_mutex_v3::scoped_lock::release" ref="61b14d00a78185c9b2d206ebfc379124" args="()" --> |
| void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00197.html#61b14d00a78185c9b2d206ebfc379124">release</a> ()</td></tr> |
| |
| <tr><td class="mdescLeft"> </td><td class="mdescRight">Release lock. <br></td></tr> |
| <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="c2c2c38a08cb9080e87099fac3e5bc94"></a><!-- doxytag: member="tbb::spin_rw_mutex_v3::scoped_lock::downgrade_to_reader" ref="c2c2c38a08cb9080e87099fac3e5bc94" args="()" --> |
| bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a00197.html#c2c2c38a08cb9080e87099fac3e5bc94">downgrade_to_reader</a> ()</td></tr> |
| |
| <tr><td class="mdescLeft"> </td><td class="mdescRight">Downgrade writer to become a reader. <br></td></tr> |
| <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="9879626968d9b9a04cd2ec0fb2e84ae1"></a><!-- doxytag: member="tbb::spin_rw_mutex_v3::scoped_lock::try_acquire" ref="9879626968d9b9a04cd2ec0fb2e84ae1" args="(spin_rw_mutex &m, bool write=true)" --> |
| bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a00197.html#9879626968d9b9a04cd2ec0fb2e84ae1">try_acquire</a> (<a class="el" href="a00196.html">spin_rw_mutex</a> &m, bool write=true)</td></tr> |
| |
| <tr><td class="mdescLeft"> </td><td class="mdescRight">Try acquire lock on given mutex. <br></td></tr> |
| </table> |
| <hr><a name="_details"></a><h2>Detailed Description</h2> |
| The scoped locking pattern. |
| <p> |
| It helps to avoid the common problem of forgetting to release lock. It also nicely provides the "node" for queuing locks. |
| <p> |
| <hr><h2>Constructor & Destructor Documentation</h2> |
| <a class="anchor" name="d6ea60dee5563f702379bf5e51aa8806"></a><!-- doxytag: member="tbb::spin_rw_mutex_v3::scoped_lock::scoped_lock" ref="d6ea60dee5563f702379bf5e51aa8806" args="()" --> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">tbb::spin_rw_mutex_v3::scoped_lock::scoped_lock </td> |
| <td>(</td> |
| <td class="paramname"> </td> |
| <td> ) </td> |
| <td width="100%"><code> [inline]</code></td> |
| </tr> |
| </table> |
| </div> |
| <div class="memdoc"> |
| |
| <p> |
| Construct lock that has not acquired a mutex. |
| <p> |
| Equivalent to zero-initialization of *this. |
| </div> |
| </div><p> |
| <hr><h2>Member Function Documentation</h2> |
| <a class="anchor" name="3f0b1e3f2efab63336400348bd070226"></a><!-- doxytag: member="tbb::spin_rw_mutex_v3::scoped_lock::upgrade_to_writer" ref="3f0b1e3f2efab63336400348bd070226" args="()" --> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">bool tbb::spin_rw_mutex_v3::scoped_lock::upgrade_to_writer </td> |
| <td>(</td> |
| <td class="paramname"> </td> |
| <td> ) </td> |
| <td width="100%"><code> [inline]</code></td> |
| </tr> |
| </table> |
| </div> |
| <div class="memdoc"> |
| |
| <p> |
| Upgrade reader to become a writer. |
| <p> |
| Returns true if the upgrade happened without re-acquiring the lock and false if opposite |
| </div> |
| </div><p> |
| <hr>The documentation for this class was generated from the following file:<ul> |
| <li><a class="el" href="a00426.html">spin_rw_mutex.h</a></ul> |
| <hr> |
| <p></p> |
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