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Thread.cpp: Prevent repeatedly halting the debugger

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Eladash 2024-04-19 15:59:27 +03:00 committed by Elad Ashkenazi
parent bef832f4e0
commit 4905cd425f
1 changed files with 24 additions and 1 deletions
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25
Utilities/Thread.cpp
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@ -2664,7 +2664,30 @@ void thread_base::exec()
if (IsDebuggerPresent()) if (IsDebuggerPresent())
{ {
utils::trap(); // Prevent repeatedly halting the debugger in case multiple threads crashed at once
static atomic_t<u64> s_last_break = 0;
const u64 current_break = get_system_time() & -2;
if (s_last_break.fetch_op([current_break](u64& v)
{
if (current_break >= (v & -2) && current_break - (v & -2) >= 20'000'000)
{
v = current_break;
return true;
}
// Let's allow a single more thread to halt the debugger so the programmer sees the pattern
if (!(v & 1))
{
v |= 1;
return true;
}
return false;
}).second)
{
utils::trap();
}
} }
if (const auto _this = g_tls_this_thread) if (const auto _this = g_tls_this_thread)