128 lines
2.3 KiB
C++
128 lines
2.3 KiB
C++
|
|
// IsThread.cpp
|
|
|
|
// Implements the cIsThread class representing an OS-independent wrapper for a class that implements a thread.
|
|
|
|
#include "Globals.h"
|
|
#include "IsThread.h"
|
|
|
|
|
|
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// cIsThread:
|
|
|
|
cIsThread::cIsThread(AString && a_ThreadName) :
|
|
m_ShouldTerminate(false),
|
|
m_ThreadName(std::move(a_ThreadName))
|
|
{
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
cIsThread::~cIsThread()
|
|
{
|
|
Stop();
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cIsThread::Start(void)
|
|
{
|
|
// Initialize the thread:
|
|
m_Thread = std::thread(&cIsThread::Entrypoint, this);
|
|
|
|
// Notify the thread that initialization is complete and it can run its code safely:
|
|
m_Initialisation.Set();
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cIsThread::Stop(void)
|
|
{
|
|
m_ShouldTerminate = true;
|
|
{
|
|
LOGD("Waiting for the %s thread to finish", m_ThreadName.c_str());
|
|
if (m_Thread.joinable())
|
|
{
|
|
m_Thread.join();
|
|
}
|
|
LOGD("The %s thread finished", m_ThreadName.c_str());
|
|
}
|
|
m_ShouldTerminate = false;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cIsThread::Entrypoint(void)
|
|
{
|
|
// Apply thread naming:
|
|
SetThreadName();
|
|
|
|
// Wait for initialisation:
|
|
m_Initialisation.Wait();
|
|
|
|
try
|
|
{
|
|
Execute();
|
|
}
|
|
catch (const std::exception & Oops)
|
|
{
|
|
LOGERROR("Thread %s faulted with standard exception: %s", m_ThreadName.c_str(), Oops.what());
|
|
std::abort();
|
|
}
|
|
catch (...)
|
|
{
|
|
LOGERROR("Thread %s faulted with unknown exception!", m_ThreadName.c_str());
|
|
std::abort();
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cIsThread::SetThreadName() const
|
|
{
|
|
#if defined(_MSC_VER) && !defined(NDEBUG)
|
|
/* Sets the name of this thread.
|
|
(When in MSVC, the debugger provides "thread naming" by catching special exceptions)
|
|
Code adapted from MSDN: https://msdn.microsoft.com/en-us/library/xcb2z8hs.aspx */
|
|
|
|
if (m_ThreadName.empty())
|
|
{
|
|
return;
|
|
}
|
|
|
|
#pragma pack(push, 8)
|
|
struct THREADNAME_INFO
|
|
{
|
|
DWORD dwType; // Must be 0x1000.
|
|
LPCSTR szName; // Pointer to name (in user addr space).
|
|
DWORD dwThreadID; // Thread ID (-1 = caller thread).
|
|
DWORD dwFlags; // Reserved for future use, must be zero.
|
|
};
|
|
#pragma pack(pop)
|
|
|
|
const DWORD NAME_EXCEPTION = 0x406D1388;
|
|
const THREADNAME_INFO Name = { 0x1000, m_ThreadName.c_str(), -1, 0 };
|
|
|
|
__try
|
|
{
|
|
RaiseException(NAME_EXCEPTION, 0, sizeof(Name) / sizeof(ULONG_PTR), reinterpret_cast<const ULONG_PTR *>(&Name));
|
|
}
|
|
__except (EXCEPTION_EXECUTE_HANDLER)
|
|
{
|
|
}
|
|
#endif
|
|
}
|