66 lines
1.7 KiB
C++
66 lines
1.7 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file dtoolbase.cxx
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* @author drose
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* @date 2000-09-12
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*/
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#include "dtoolbase.h"
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#include "memoryHook.h"
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#if !defined(CPPPARSER) && !defined(LINK_ALL_STATIC) && !defined(BUILDING_DTOOL_DTOOLBASE)
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#error Buildsystem error: BUILDING_DTOOL_DTOOLBASE not defined
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#endif
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#if defined(USE_TAU) && defined(WIN32)
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// Hack around tau's lack of DLL export declarations for Profiler class.
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bool __tau_shutdown = false;
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#endif
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MemoryHook *memory_hook;
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/**
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* Any code that might need to use PANDA_MALLOC or PANDA_FREE, or any methods
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* of the global memory_hook object, at static init time, should ensure that
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* it calls init_memory_hook() first to ensure that the pointer has been
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* properly initialized. There is no harm in calling this function more than
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* once.
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*
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* There is no need to call this function other than at static init time.
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*/
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void
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init_memory_hook() {
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if (memory_hook == nullptr) {
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memory_hook = new MemoryHook;
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}
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}
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// Here's a quick way to ensure the above function is called at least once at
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// static init time.
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class InitMemoryHook {
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public:
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InitMemoryHook() {
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init_memory_hook();
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}
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};
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static InitMemoryHook _imh_object;
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#if defined(HAVE_THREADS) && defined(SIMPLE_THREADS)
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static void
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default_thread_yield() {
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}
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static void
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default_thread_consider_yield() {
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}
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void (*global_thread_yield)() = default_thread_yield;
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void (*global_thread_consider_yield)() = default_thread_consider_yield;
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#endif // HAVE_THREADS && SIMPLE_THREADS
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