select.h

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// Copyright 2026 The Action Engine Authors and the Symbian SDK Authors.
// Licensed under the Apache License, Version 2.0.
// Adapted from A11 cpp/thread/thread/select.h at
// fcccb8cb6e1e67d7ba0822ac14cece9ee4c7091b.
 
#ifndef THREAD_FIBER_SELECT_H_
#define THREAD_FIBER_SELECT_H_
 
#include "thread/cases.h"
 
namespace thread {
 
// Returns a selected case index or -1 on expiry. A ready case wins over an
// already-expired deadline. The deadline is accepted as wall time and then
// measured by the verified monotonic clock.
int SelectUntil(absl::Time deadline, const CaseArray& cases);
 
inline int Select(const CaseArray& cases) {
  return SelectUntil(absl::InfiniteFuture(), cases);
}
 
}  // namespace thread
 
#endif  // THREAD_FIBER_SELECT_H_