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<h1>dmxsync.h File Reference</h1>
<p>
<a href="dmxsync_8h-source.html">Go to the source code of this file.</a><table border=0 cellpadding=0 cellspacing=0>
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<tr><td colspan=2><br><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="dmxsync_8h.html#a0">dmxSyncActivate</a> (const char *interval)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="dmxsync_8h.html#a1">dmxSyncInit</a> (void)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="dmxsync_8h.html#a2">dmxSync</a> (<a class="el" href="struct__DMXScreenInfo.html">DMXScreenInfo</a> *dmxScreen, Bool now)</td></tr>
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<hr><a name="_details"></a><h2>Detailed Description</h2>
Interface for sync support. <dl compact><dt><b>See also:</b></dt><dd><a class="el" href="dmxsync_8c.html">dmxsync.c</a></dd></dl>
<hr><h2>Function Documentation</h2>
<a class="anchor" name="a2" doxytag="dmxsync.h::dmxSync" ></a><p>
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<td class="md" nowrap valign="top"> void dmxSync </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="struct__DMXScreenInfo.html">DMXScreenInfo</a> * </td>
<td class="mdname" nowrap> <em>dmxScreen</em>, </td>
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<td class="md" nowrap>Bool </td>
<td class="mdname" nowrap> <em>now</em></td>
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Request an XSync() to the display used by <em>dmxScreen</em>. If <em>now</em> is TRUE, call XSync() immediately instead of waiting for the next XSync() batching point. Note that if XSync() batching was deselected with <a class="el" href="dmxsync_8c.html#a7">dmxSyncActivate()</a> before <a class="el" href="dmxsync_8c.html#a8">dmxSyncInit()</a> was called, then no XSync() batching is performed and this function always calles XSync() immediately.<p>
(Note that this function uses TimerSet but works correctly in the face of a server generation. See the source for details.)<p>
If <em>dmxScreen</em> is <em>NULL</em>, then all pending syncs will be flushed immediately. </td>
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<td class="md" nowrap valign="top"> void dmxSyncActivate </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const char * </td>
<td class="mdname1" valign="top" nowrap> <em>interval</em> </td>
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Request the XSync() batching optimization with the specified <em>interval</em> (in mS). If the <em>interval</em> is 0, 100mS is used. If the <em>interval</em> is less than 0, then the XSync() batching optimization is not requested (e.g., so the -syncbatch -1 command line option can turn off the default 100mS XSync() batching).<p>
Note that the parameter to this routine is a string, since it will usually be called from <a class="el" href="dmxinit_8c.html#a40">ddxProcessArgument</a> in #dmxinit.c </td>
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<td class="md" nowrap valign="top"> void dmxSyncInit </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">void </td>
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Initialize the XSync() batching optimization, but only if <a class="el" href="dmxsync_8h.html#a0">dmxSyncActivate</a> was last called with a non-negative value. </td>
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