src/hotspot/os/posix/os_posix.inline.hpp
author dholmes
Tue, 05 Feb 2019 20:18:00 -0500
changeset 53654 7054249afee5
child 53886 e94ed0236046
permissions -rw-r--r--
8217843: Performance regression related to os::supports_monotonic_clock() on linux Reviewed-by: redestad, stuefe

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#ifndef OS_POSIX_OS_POSIX_INLINE_HPP
#define OS_POSIX_OS_POSIX_INLINE_HPP

#include "runtime/os.hpp"

#ifdef SUPPORTS_CLOCK_MONOTONIC

// Exported clock functionality

inline bool os::Posix::supports_monotonic_clock() {
  return _clock_gettime != NULL;
}

inline int os::Posix::clock_gettime(clockid_t clock_id, struct timespec *tp) {
  return _clock_gettime != NULL ? _clock_gettime(clock_id, tp) : -1;
}

inline int os::Posix::clock_getres(clockid_t clock_id, struct timespec *tp) {
  return _clock_getres != NULL ? _clock_getres(clock_id, tp) : -1;
}
#endif // SUPPORTS_CLOCK_MONOTONIC

#endif // OS_POSIX_OS_POSIX_INLINE_HPP