chromium/third_party/dawn/src/dawn/native/WaitAnySystemEvent.h

// Copyright 2023 The Dawn & Tint Authors
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#ifndef SRC_DAWN_NATIVE_WAITANYSYSTEMEVENT_H_
#define SRC_DAWN_NATIVE_WAITANYSYSTEMEVENT_H_

#include <limits>
#include <utility>

#include "dawn/common/Platform.h"

#if DAWN_PLATFORM_IS(WINDOWS)
#include "dawn/common/windows_with_undefs.h"
#elif DAWN_PLATFORM_IS(FUCHSIA)
#include <poll.h>
#include <unistd.h>
#elif DAWN_PLATFORM_IS(POSIX)
#include <sys/poll.h>
#include <unistd.h>
#endif

#include "absl/container/inlined_vector.h"
#include "dawn/common/Log.h"
#include "dawn/native/SystemEvent.h"

namespace dawn::native {

template <typename T, T Infinity>
T ToMillisecondsGeneric(Nanoseconds timeout) { … }

#if DAWN_PLATFORM_IS(WINDOWS)
#define ToMilliseconds …
#elif DAWN_PLATFORM_IS(POSIX)
#define ToMilliseconds …
#endif

// WaitAnySystemEvent on an iterator range converts those iterators to the
// platform-specific wait handles, and then waits on them.
template <typename It>
[[nodiscard]] bool WaitAnySystemEvent(It begin, It end, Nanoseconds timeout) { … }

}  // namespace dawn::native

#endif  // SRC_DAWN_NATIVE_WAITANYSYSTEMEVENT_H_