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<HTML><HEAD><TITLE>Xlib Programming Manual: XLockDisplay</TITLE></HEAD><BODY><H1 ALIGN=center>XLockDisplay</H1><H2>Syntax</H2><!.IN "XLockDisplay" "" "@DEF@"><CODE><PRE>void XLockDisplay(<B>display</B>) <A HREF="opening.html#Display">Display</A> *<B>display</B>;</PRE></CODE><H2>Arguments</H2><TABLE><TR><TD> <B>display</B><TD> Specifies the connection to the X server.</TABLE><H2>Description</H2>The<B>XLockDisplay()</B>function locks out all other threads from using the specified display.Other threads attempting to use the display will block untilthe display is unlocked by this thread.Nested calls to<B>XLockDisplay()</B>work correctly; the display will not actually be unlocked until<A HREF="XUnlockDisplay.html">XUnlockDisplay()</A>has been called the same number of times as<B>XLockDisplay()</B>.This function has no effect unless Xlib was successfully initializedfor threads using<A HREF="XInitThreads.html">XInitThreads()</A>.<H2>See also</H2><A HREF="XInitThreads.html">XInitThreads()</A>,<A HREF="XUnlockDisplay.html">XUnlockDisplay()</A>,"<A HREF="threads.html">Using Xlib With Threads</A>"<HR><ADDRESS><A HREF="http://tronche.com/">Christophe Tronche</A>, <A HREF="mailto:ch.tronche@computer.org">ch.tronche@computer.org</A></ADDRESS></BODY></HTML>⌨️ 快捷键说明
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