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dxvk/src/util/thread.cpp
Joshua Ashton e884413c49 [dxvk] Don't synchronize device if going for DLL shutdown
All our other threads have been destroyed and we can no longer synchronize with them properly.

Co-authored-by: Paul Gofman <pgofman@codeweavers.com>
2022-07-14 17:04:52 +02:00

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C++

#include "thread.h"
#include "util_likely.h"
#include <atomic>
#ifdef _WIN32
namespace dxvk::this_thread {
bool isInModuleDetachment() {
using PFN_RtlDllShutdownInProgress = BOOLEAN (WINAPI *)();
static auto RtlDllShutdownInProgress = reinterpret_cast<PFN_RtlDllShutdownInProgress>(
::GetProcAddress(::GetModuleHandleW(L"ntdll.dll"), "RtlDllShutdownInProgress"));
return RtlDllShutdownInProgress();
}
}
#else
namespace dxvk::this_thread {
static std::atomic<uint32_t> g_threadCtr = { 0u };
static thread_local uint32_t g_threadId = 0u;
// This implementation returns thread ids unique to the current instance.
// ie. if you use this across multiple .so's then you might get conflicting ids.
//
// This isn't an issue for us, as it is only used by the spinlock implementation,
// but may be for you if you use this elsewhere.
uint32_t get_id() {
if (unlikely(!g_threadId))
g_threadId = ++g_threadCtr;
return g_threadId;
}
}
#endif