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// file : libbuild2/script/timeout.hxx -*- C++ -*-
// license : MIT; see accompanying LICENSE file
#ifndef LIBBUILD2_SCRIPT_TIMEOUT_HXX
#define LIBBUILD2_SCRIPT_TIMEOUT_HXX
#include <libbuild2/types.hxx>
#include <libbuild2/utility.hxx>
namespace build2
{
// Parse the specified in seconds timeout returning it if the value is not
// zero and nullopt otherwise. Issue diagnostics and fail if the argument is
// not a valid timeout.
//
optional<duration>
parse_timeout (const string&,
const char* what,
const location& = location ());
// As above, but return the timepoint which is away from now by the
// specified timeout.
//
optional<timestamp>
parse_deadline (const string&,
const char* what,
const location& = location ());
// Return the earlier timeout/deadline of two values, if any is present.
//
// Note that earlier(nullopt, v) and earlier(v, nullopt) return v.
//
template <typename T>
T
earlier (const T&, const T&);
template <typename T>
T
earlier (const optional<T>&, const T&);
template <typename T>
T
earlier (const T&, const optional<T>&);
template <typename T>
optional<T>
earlier (const optional<T>&, const optional<T>&);
}
#include <libbuild2/script/timeout.ixx>
#endif // LIBBUILD2_SCRIPT_TIMEOUT_HXX
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