56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
/* gethrxtime -- get high resolution real time
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Copyright (C) 2005, 2009-2022 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by Paul Eggert. */
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#ifndef GETHRXTIME_H_
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#define GETHRXTIME_H_ 1
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#include "xtime.h"
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#ifndef _GL_INLINE_HEADER_BEGIN
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#error "Please include config.h first."
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#endif
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_GL_INLINE_HEADER_BEGIN
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#ifndef GETHRXTIME_INLINE
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# define GETHRXTIME_INLINE _GL_INLINE
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Get the current time, as a count of the number of nanoseconds since
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an arbitrary epoch (e.g., the system boot time). Prefer a
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high-resolution clock that is not subject to resetting or
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drifting. */
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#if HAVE_ARITHMETIC_HRTIME_T && HAVE_DECL_GETHRTIME
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# include <time.h>
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GETHRXTIME_INLINE xtime_t gethrxtime (void) { return gethrtime (); }
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# else
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xtime_t gethrxtime (void);
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#endif
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_GL_INLINE_HEADER_END
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#ifdef __cplusplus
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}
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#endif
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#endif
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