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43 lines
1.8 KiB
43 lines
1.8 KiB
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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<meta name="Author" content="Johannes Sixt">
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<title>KDbg - User's Manual - Threads</title>
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</head>
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<body text="#000000" bgcolor="#FFFFFF">
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<p><a href="index.html">Contents</a></p>
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<h1>
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The Threads Window</h1>
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<p>The threads window is displayed using <i>View|Threads</i>. The threads
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window lists the active threads of the program.</p>
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<p><b><i>Note:</i></b> Debugging threaded programs must be supported by
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the version of gdb that is used - it is not a feature of KDbg. For Linux
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systems this works best with gdb5 and later. However, at the time of this writing gdb
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still poorly supports threads on NPTL- (New Posix Threads Library) enabled
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systems (glibc 2.3.x and kernel 2.6.x).</p>
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<p>The contents of the threads window are updated every time the program
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is stopped by the debugger. (That is, the window does <em>not</em> reflect
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the state while the program is running.)</p>
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<p>The first column shows the thread ID, the second column identifies the
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location where the thread currently executes.</p>
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<p>The marker in front of the line tells which thread currently is <em>active</em>:</p>
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<ul>
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<li>
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The <a href="stack.html">stack window</a> displays the active threads's
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backtrace.</li>
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<li>
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The <a href="localvars.html">local variables</a> window displays the active
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thread's local variables.</li>
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<li>
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The <a href="watches.html">watch window</a> uses the active thread's local
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variables to evaluate the expressions.</li>
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</ul>
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<p>By clicking a listed thread, the active thread is switched, and the corresponding
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windows are updated. In particular, the <a href="sourcecode.html">source
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window</a> displays the location where the active thread is currently halted.</p>
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</body>
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</html>
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