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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968" /><title>debug_object_activate</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1" /><link rel="home" href="index.html" title="Debug objects life time" /><link rel="up" href="debugfunctions.html" title="Chapter 3. Debug functions" /><link rel="prev" href="debug_object_init_on_stack.html" title="debug_object_init_on_stack" /><link rel="next" href="debug_object_deactivate.html" title="debug_object_deactivate" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">debug_object_activate</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="debug_object_init_on_stack.html">Prev</a> </td><th width="60%" align="center">Chapter 3. Debug functions</th><td width="20%" align="right"> <a accesskey="n" href="debug_object_deactivate.html">Next</a></td></tr></table><hr /></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="debug_object_activate"></a>debug_object_activate</h2></div></div></div><p>
This function is called whenever the activation function of a
real object is called.
</p><p>
When the real object is already tracked by debugobjects it is
checked, whether the object can be activated. Activating is
not allowed for active and destroyed objects. When
debugobjects detects an error, then it calls the
fixup_activate function of the object type description
structure if provided by the caller. The fixup function can
correct the problem before the real activation of the object
happens. E.g. it can deactivate an active object in order to
prevent damage to the subsystem.
</p><p>
When the real object is not yet tracked by debugobjects then
the fixup_activate function is called if available. This is
necessary to allow the legitimate activation of statically
allocated and initialized objects. The fixup function checks
whether the object is valid and calls the debug_objects_init()
function to initialize the tracking of this object.
</p><p>
When the activation is legitimate, then the state of the
associated tracker object is set to ODEBUG_STATE_ACTIVE.
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