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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2022
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "td/utils/port/sleep.h"
#include "td/utils/port/config.h"
#if TD_PORT_POSIX
#if _POSIX_C_SOURCE >= 199309L
#include <time.h>
#else
#include <unistd.h>
#endif
#endif
namespace td {
void usleep_for(int32 microseconds) {
#if TD_PORT_WINDOWS
int32 milliseconds = microseconds / 1000 + (microseconds % 1000 ? 1 : 0);
Sleep(milliseconds);
#else
#if _POSIX_C_SOURCE >= 199309L
timespec ts;
ts.tv_sec = microseconds / 1000000;
ts.tv_nsec = (microseconds % 1000000) * 1000;
nanosleep(&ts, nullptr);
#else
usleep(microseconds);
#endif
#endif
}
} // namespace td
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