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Fix profiler malloc count in debug mode on Windows

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wdbg_heap_NumberOfAllocations doesn't work without the wdbg_heap
leak detector, which is disabled since it's slow and broken.
Use a simple hook via _CrtSetAllocHook instead to count allocations.

This was SVN commit r13910.
This commit is contained in:
Ykkrosh 2013-09-29 14:43:14 +00:00
parent f4abcd2ef9
commit 6b0a0e83eb
1 changed files with 21 additions and 4 deletions
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25
source/ps/Profile.cpp
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@ -25,8 +25,8 @@
#include "ProfileViewer.h"
#include "lib/timer.h"
#if OS_WIN
#include "lib/sysdep/os/win/wdbg_heap.h"
#if OS_WIN && !defined(NDEBUG)
# define USE_CRT_SET_ALLOC_HOOK
#endif
#if defined(__GLIBC__) && !defined(NDEBUG)
@ -428,14 +428,31 @@ void CProfileNode::Turn()
}
// TODO: these should probably only count allocations that occur in the thread being profiled
#if OS_WIN
#if defined(USE_CRT_SET_ALLOC_HOOK)
static long malloc_count = 0;
static _CRT_ALLOC_HOOK prev_hook;
static int crt_alloc_hook(int allocType, void* userData, size_t size, int blockType,
long requestNumber, const unsigned char* filename, int lineNumber)
{
if (allocType == _HOOK_ALLOC && ThreadUtil::IsMainThread())
++malloc_count;
if (prev_hook)
return prev_hook(allocType, userData, size, blockType, requestNumber, filename, lineNumber);
else
return 1;
}
static void alloc_hook_initialize()
{
prev_hook = _CrtSetAllocHook(crt_alloc_hook);
}
static long get_memory_alloc_count()
{
return (long)wdbg_heap_NumberOfAllocations();
return malloc_count;
}
#elif defined(USE_GLIBC_MALLOC_HOOK)