392 lines
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392 lines
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<a href="#func-members">Functions</a> </div>
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<div class="title">Multi-thread support functions</div> </div>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
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Functions</h2></td></tr>
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<tr class="memitem:gaa5bea65c3f2a224bb1c677515e3bb0e2"><td class="memItemLeft" align="right" valign="top"><a class="el" href="angelscript_8h.html#a6412a04ba6b2737922fdb2d8f822f51c">AS_API</a> int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__api__multithread__functions.html#gaa5bea65c3f2a224bb1c677515e3bb0e2">asPrepareMultithread</a> (<a class="el" href="classas_i_thread_manager.html">asIThreadManager</a> *externalMgr=0)</td></tr>
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<tr class="memdesc:gaa5bea65c3f2a224bb1c677515e3bb0e2"><td class="mdescLeft"> </td><td class="mdescRight">Sets up the internally shared resources for multithreading. <a href="group__api__multithread__functions.html#gaa5bea65c3f2a224bb1c677515e3bb0e2">More...</a><br /></td></tr>
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<tr class="separator:gaa5bea65c3f2a224bb1c677515e3bb0e2"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga011355a8978d438cec77b4e1f041cba7"><td class="memItemLeft" align="right" valign="top"><a class="el" href="angelscript_8h.html#a6412a04ba6b2737922fdb2d8f822f51c">AS_API</a> void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__api__multithread__functions.html#ga011355a8978d438cec77b4e1f041cba7">asUnprepareMultithread</a> ()</td></tr>
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<tr class="memdesc:ga011355a8978d438cec77b4e1f041cba7"><td class="mdescLeft"> </td><td class="mdescRight">Frees resources prepared for multithreading. <a href="group__api__multithread__functions.html#ga011355a8978d438cec77b4e1f041cba7">More...</a><br /></td></tr>
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<tr class="separator:ga011355a8978d438cec77b4e1f041cba7"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga948def50c98db90596b706ca4b58041e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="angelscript_8h.html#a6412a04ba6b2737922fdb2d8f822f51c">AS_API</a> <a class="el" href="classas_i_thread_manager.html">asIThreadManager</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__api__multithread__functions.html#ga948def50c98db90596b706ca4b58041e">asGetThreadManager</a> ()</td></tr>
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<tr class="memdesc:ga948def50c98db90596b706ca4b58041e"><td class="mdescLeft"> </td><td class="mdescRight">Get the thread manager used by the application. <a href="group__api__multithread__functions.html#ga948def50c98db90596b706ca4b58041e">More...</a><br /></td></tr>
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<tr class="separator:ga948def50c98db90596b706ca4b58041e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga016dbf716a1c761b3f903b92eb8bb580"><td class="memItemLeft" align="right" valign="top"><a class="el" href="angelscript_8h.html#a6412a04ba6b2737922fdb2d8f822f51c">AS_API</a> void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__api__multithread__functions.html#ga016dbf716a1c761b3f903b92eb8bb580">asAcquireExclusiveLock</a> ()</td></tr>
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<tr class="memdesc:ga016dbf716a1c761b3f903b92eb8bb580"><td class="mdescLeft"> </td><td class="mdescRight">Acquire an exclusive lock. <a href="group__api__multithread__functions.html#ga016dbf716a1c761b3f903b92eb8bb580">More...</a><br /></td></tr>
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<tr class="separator:ga016dbf716a1c761b3f903b92eb8bb580"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga8a0617637eea3d76e33a52758b2cd49f"><td class="memItemLeft" align="right" valign="top"><a class="el" href="angelscript_8h.html#a6412a04ba6b2737922fdb2d8f822f51c">AS_API</a> void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__api__multithread__functions.html#ga8a0617637eea3d76e33a52758b2cd49f">asReleaseExclusiveLock</a> ()</td></tr>
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<tr class="memdesc:ga8a0617637eea3d76e33a52758b2cd49f"><td class="mdescLeft"> </td><td class="mdescRight">Release an exclusive lock. <a href="group__api__multithread__functions.html#ga8a0617637eea3d76e33a52758b2cd49f">More...</a><br /></td></tr>
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<tr class="separator:ga8a0617637eea3d76e33a52758b2cd49f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaa45545a038adcc8c73348cfe9488f32d"><td class="memItemLeft" align="right" valign="top"><a class="el" href="angelscript_8h.html#a6412a04ba6b2737922fdb2d8f822f51c">AS_API</a> void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__api__multithread__functions.html#gaa45545a038adcc8c73348cfe9488f32d">asAcquireSharedLock</a> ()</td></tr>
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<tr class="memdesc:gaa45545a038adcc8c73348cfe9488f32d"><td class="mdescLeft"> </td><td class="mdescRight">Acquire a shared lock. <a href="group__api__multithread__functions.html#gaa45545a038adcc8c73348cfe9488f32d">More...</a><br /></td></tr>
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<tr class="separator:gaa45545a038adcc8c73348cfe9488f32d"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga44f7327c5601e8dbf74768a2f3cc0dc3"><td class="memItemLeft" align="right" valign="top"><a class="el" href="angelscript_8h.html#a6412a04ba6b2737922fdb2d8f822f51c">AS_API</a> void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__api__multithread__functions.html#ga44f7327c5601e8dbf74768a2f3cc0dc3">asReleaseSharedLock</a> ()</td></tr>
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<tr class="memdesc:ga44f7327c5601e8dbf74768a2f3cc0dc3"><td class="mdescLeft"> </td><td class="mdescRight">Release a shared lock. <a href="group__api__multithread__functions.html#ga44f7327c5601e8dbf74768a2f3cc0dc3">More...</a><br /></td></tr>
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<tr class="separator:ga44f7327c5601e8dbf74768a2f3cc0dc3"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaf0074d581ac2edd06e63e56e4be52c8e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="angelscript_8h.html#a6412a04ba6b2737922fdb2d8f822f51c">AS_API</a> int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__api__multithread__functions.html#gaf0074d581ac2edd06e63e56e4be52c8e">asAtomicInc</a> (int &value)</td></tr>
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<tr class="memdesc:gaf0074d581ac2edd06e63e56e4be52c8e"><td class="mdescLeft"> </td><td class="mdescRight">Increments the value by one and returns the result as a single atomic instruction. <a href="group__api__multithread__functions.html#gaf0074d581ac2edd06e63e56e4be52c8e">More...</a><br /></td></tr>
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<tr class="separator:gaf0074d581ac2edd06e63e56e4be52c8e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga0565bcb53be170dd85ae27a5b6f2b828"><td class="memItemLeft" align="right" valign="top"><a class="el" href="angelscript_8h.html#a6412a04ba6b2737922fdb2d8f822f51c">AS_API</a> int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__api__multithread__functions.html#ga0565bcb53be170dd85ae27a5b6f2b828">asAtomicDec</a> (int &value)</td></tr>
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<tr class="memdesc:ga0565bcb53be170dd85ae27a5b6f2b828"><td class="mdescLeft"> </td><td class="mdescRight">Decrements the value by one and returns the result as a single atomic instruction. <a href="group__api__multithread__functions.html#ga0565bcb53be170dd85ae27a5b6f2b828">More...</a><br /></td></tr>
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<tr class="separator:ga0565bcb53be170dd85ae27a5b6f2b828"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga51079811680d5217046aad2a2b695dc7"><td class="memItemLeft" align="right" valign="top"><a class="el" href="angelscript_8h.html#a6412a04ba6b2737922fdb2d8f822f51c">AS_API</a> int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__api__multithread__functions.html#ga51079811680d5217046aad2a2b695dc7">asThreadCleanup</a> ()</td></tr>
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<tr class="memdesc:ga51079811680d5217046aad2a2b695dc7"><td class="mdescLeft"> </td><td class="mdescRight">Cleans up memory allocated for the current thread. <a href="group__api__multithread__functions.html#ga51079811680d5217046aad2a2b695dc7">More...</a><br /></td></tr>
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<tr class="separator:ga51079811680d5217046aad2a2b695dc7"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaa0ffb789dab56b5617e2f961f9c79fdb"><td class="memItemLeft" align="right" valign="top"><a class="el" href="angelscript_8h.html#a6412a04ba6b2737922fdb2d8f822f51c">AS_API</a> <a class="el" href="classas_i_lockable_shared_bool.html">asILockableSharedBool</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__api__multithread__functions.html#gaa0ffb789dab56b5617e2f961f9c79fdb">asCreateLockableSharedBool</a> ()</td></tr>
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<tr class="memdesc:gaa0ffb789dab56b5617e2f961f9c79fdb"><td class="mdescLeft"> </td><td class="mdescRight">Create a lockable shared boolean. <a href="group__api__multithread__functions.html#gaa0ffb789dab56b5617e2f961f9c79fdb">More...</a><br /></td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<h2 class="groupheader">Function Documentation</h2>
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<a id="ga016dbf716a1c761b3f903b92eb8bb580"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga016dbf716a1c761b3f903b92eb8bb580">◆ </a></span>asAcquireExclusiveLock()</h2>
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<td class="memname"><a class="el" href="angelscript_8h.html#a6412a04ba6b2737922fdb2d8f822f51c">AS_API</a> void asAcquireExclusiveLock </td>
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<p>This function will block the calling thread until there are no other threads that hold shared or exclusive locks. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#gaa45545a038adcc8c73348cfe9488f32d">◆ </a></span>asAcquireSharedLock()</h2>
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<td class="memname"><a class="el" href="angelscript_8h.html#a6412a04ba6b2737922fdb2d8f822f51c">AS_API</a> void asAcquireSharedLock </td>
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<p>This function will block the calling thread until there are no other threads that hold exclusive locks. Other threads may hold shared locks. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga0565bcb53be170dd85ae27a5b6f2b828">◆ </a></span>asAtomicDec()</h2>
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<td class="memname"><a class="el" href="angelscript_8h.html#a6412a04ba6b2737922fdb2d8f822f51c">AS_API</a> int asAtomicDec </td>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramdir">[in]</td><td class="paramname">value</td><td>A reference to the value that should be decremented </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>The decremented value</dd></dl>
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<p>This function is especially useful for implementing thread safe reference counters. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#gaf0074d581ac2edd06e63e56e4be52c8e">◆ </a></span>asAtomicInc()</h2>
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<td class="memname"><a class="el" href="angelscript_8h.html#a6412a04ba6b2737922fdb2d8f822f51c">AS_API</a> int asAtomicInc </td>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramdir">[in]</td><td class="paramname">value</td><td>A reference to the value that should be incremented </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>The incremented value</dd></dl>
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<p>This function is especially useful for implementing thread safe reference counters. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#gaa0ffb789dab56b5617e2f961f9c79fdb">◆ </a></span>asCreateLockableSharedBool()</h2>
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<td class="memname"><a class="el" href="angelscript_8h.html#a6412a04ba6b2737922fdb2d8f822f51c">AS_API</a> <a class="el" href="classas_i_lockable_shared_bool.html">asILockableSharedBool</a>* asCreateLockableSharedBool </td>
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<dl class="section return"><dt>Returns</dt><dd>A new lockable shared boolean.</dd></dl>
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<p>The lockable shared boolean will be created with an initial reference count of 1, and the boolean value false.</p>
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<p>The object can be used for weak reference flags. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga948def50c98db90596b706ca4b58041e">◆ </a></span>asGetThreadManager()</h2>
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<td class="memname"><a class="el" href="angelscript_8h.html#a6412a04ba6b2737922fdb2d8f822f51c">AS_API</a> <a class="el" href="classas_i_thread_manager.html">asIThreadManager</a>* asGetThreadManager </td>
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<td>(</td>
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<dl class="section return"><dt>Returns</dt><dd>The thread manager prepared with <a class="el" href="group__api__multithread__functions.html#gaa5bea65c3f2a224bb1c677515e3bb0e2">asPrepareMultithread()</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#gaa5bea65c3f2a224bb1c677515e3bb0e2">◆ </a></span>asPrepareMultithread()</h2>
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<td class="memname"><a class="el" href="angelscript_8h.html#a6412a04ba6b2737922fdb2d8f822f51c">AS_API</a> int asPrepareMultithread </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="classas_i_thread_manager.html">asIThreadManager</a> * </td>
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<td class="paramname"><em>externalMgr</em> = <code>0</code></td><td>)</td>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramdir">[in]</td><td class="paramname">externalMgr</td><td>Pre-existent thread manager (optional) </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>A negative value on error </dd></dl>
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<dl class="retval"><dt>Return values</dt><dd>
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<tr><td class="paramname">asINVALID_ARG</td><td>externalMgr informed even though local manager already exists</td></tr>
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<p>Call this function from the main thread to set up shared resources for multithreading if engines are to be created in multiple threads.</p>
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<p>If multiple modules (dlls) are used it may be necessary to call this with the thread manager retrieved from <a class="el" href="group__api__multithread__functions.html#ga948def50c98db90596b706ca4b58041e">asGetThreadManager()</a> in the main module in order for all modules to share the same thread manager.</p>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="doc_adv_multithread.html">Multithreading</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ga8a0617637eea3d76e33a52758b2cd49f">◆ </a></span>asReleaseExclusiveLock()</h2>
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<td class="memname"><a class="el" href="angelscript_8h.html#a6412a04ba6b2737922fdb2d8f822f51c">AS_API</a> void asReleaseExclusiveLock </td>
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<p>Releases the previously acquired exclusive lock. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga44f7327c5601e8dbf74768a2f3cc0dc3">◆ </a></span>asReleaseSharedLock()</h2>
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<td class="memname"><a class="el" href="angelscript_8h.html#a6412a04ba6b2737922fdb2d8f822f51c">AS_API</a> void asReleaseSharedLock </td>
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<p>Releases the previously acquired shared lock. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga51079811680d5217046aad2a2b695dc7">◆ </a></span>asThreadCleanup()</h2>
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<td class="memname"><a class="el" href="angelscript_8h.html#a6412a04ba6b2737922fdb2d8f822f51c">AS_API</a> int asThreadCleanup </td>
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<dl class="section return"><dt>Returns</dt><dd>A negative value on error. </dd></dl>
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<dl class="retval"><dt>Return values</dt><dd>
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<tr><td class="paramname">asCONTEXT_ACTIVE</td><td>A context is still active.</td></tr>
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<p>Call this function before terminating a thread that has accessed the engine to clean up memory allocated for that thread.</p>
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<p>It's not necessary to call this if only a single thread accesses the engine. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga011355a8978d438cec77b4e1f041cba7">◆ </a></span>asUnprepareMultithread()</h2>
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<td class="memname"><a class="el" href="angelscript_8h.html#a6412a04ba6b2737922fdb2d8f822f51c">AS_API</a> void asUnprepareMultithread </td>
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<p>If <a class="el" href="group__api__multithread__functions.html#gaa5bea65c3f2a224bb1c677515e3bb0e2">asPrepareMultithread()</a> has been called, then this function should be called after the last engine has been released to free the resources prepared for multithreading. </p>
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