ULONG64 get_process_starttime( pid_t p_id )
{
ULONG64 startTime = (ULONG64)-1;
/*
* Do not raise privileges if we are inspecting ourselves.
* This function is used not only by prl_perf_ctl,
* but by all PerfCount users.
*/
if (::getpid() != p_id) {
if (!set_debug_privilege())
WRITE_TRACE(DBG_FATAL, "Failed to set debug privilege");
}
/** Converts specified 100-nanosecond intervals to milliseconds */
#define TO_MSECS(n100Nanoseconds) (n100Nanoseconds/10000)
#define TO_ULONGLONG(large_var, high_part, low_part)\
( (((unsigned long long) large_var.high_part) << 32 ) + large_var.low_part)
HANDLE hProcess = hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, p_id);
if (NULL != hProcess)
{
FILETIME CreationTime, ExitTime, KernelTime, UserTime;
if (GetProcessTimes(hProcess, &CreationTime, &ExitTime, &KernelTime, &UserTime))
startTime = TO_MSECS(TO_ULONGLONG(CreationTime, dwHighDateTime, dwLowDateTime));
CloseHandle(hProcess);
}
return startTime;
#undef TO_ULONGLONG
#undef TO_MSECS
}
//------------------------------------------------------------------------------
// Name: DebuggerCore()
// Desc: constructor
//------------------------------------------------------------------------------
DebuggerCore::DebuggerCore() : page_size_(0), process_handle_(0), start_address(0), image_base(0) {
DebugSetProcessKillOnExit(false);
SYSTEM_INFO sys_info;
GetSystemInfo(&sys_info);
page_size_ = sys_info.dwPageSize;
set_debug_privilege(GetCurrentProcess(), true); // gogo magic powers
}
//------------------------------------------------------------------------------
// Name: ~DebuggerCore()
// Desc:
//------------------------------------------------------------------------------
DebuggerCore::~DebuggerCore() {
detach();
set_debug_privilege(GetCurrentProcess(), false);
}