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Call SymInitialize only once and SymCleanup at app exit

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In order to refresh the modules, call SymRefreshModuleList regularly

refs #845
This commit is contained in:
Roland Winklmeier
2016-12-27 03:09:23 +01:00
committed by Mathew Sutcliffe
parent dcbddf8e5e
commit 09963bf33a
1 changed files with 10 additions and 1 deletions
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11
src/blackmisc/stacktrace.cpp
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@@ -15,6 +15,8 @@
#include <QStringBuilder> #include <QStringBuilder>
#include <QMutexLocker> #include <QMutexLocker>
#include <array> #include <array>
#include <cstdlib>
#include <mutex>
#if defined(Q_CC_MSVC) #if defined(Q_CC_MSVC)
# include <windows.h> # include <windows.h>
@@ -47,8 +49,15 @@ namespace BlackMisc
static QMutex mutex; static QMutex mutex;
QMutexLocker lock(&mutex); QMutexLocker lock(&mutex);
static std::once_flag flag;
std::call_once(flag, []
{
SymInitialize(GetCurrentProcess(), nullptr, true);
std::atexit([] { SymCleanup(GetCurrentProcess()); });
});
auto process = GetCurrentProcess(); auto process = GetCurrentProcess();
SymInitialize(process, nullptr, true); SymRefreshModuleList(process);
std::array<void*, 100> stack; std::array<void*, 100> stack;
auto frames = CaptureStackBackTrace(1, static_cast<DWORD>(stack.size()), stack.data(), nullptr); auto frames = CaptureStackBackTrace(1, static_cast<DWORD>(stack.size()), stack.data(), nullptr);