diff options
Diffstat (limited to 'lib/gethrxtime.c')
| -rw-r--r-- | lib/gethrxtime.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/lib/gethrxtime.c b/lib/gethrxtime.c index 6e0263d6..10d2ab98 100644 --- a/lib/gethrxtime.c +++ b/lib/gethrxtime.c @@ -1,6 +1,6 @@ /* gethrxtime -- get high resolution real time - Copyright (C) 2005-2007, 2009-2012 Free Software Foundation, Inc. + Copyright (C) 2005-2007, 2009-2013 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -19,8 +19,11 @@ #include <config.h> +#define GETHRXTIME_INLINE _GL_EXTERN_INLINE #include "gethrxtime.h" +#if ! (HAVE_ARITHMETIC_HRTIME_T && HAVE_DECL_GETHRTIME) + #include <sys/time.h> #include "timespec.h" @@ -32,30 +35,30 @@ xtime_t gethrxtime (void) { -#if HAVE_NANOUPTIME +# if HAVE_NANOUPTIME { struct timespec ts; nanouptime (&ts); return xtime_make (ts.tv_sec, ts.tv_nsec); } -#else +# else -# if defined CLOCK_MONOTONIC && HAVE_CLOCK_GETTIME +# if defined CLOCK_MONOTONIC && HAVE_CLOCK_GETTIME { struct timespec ts; if (clock_gettime (CLOCK_MONOTONIC, &ts) == 0) return xtime_make (ts.tv_sec, ts.tv_nsec); } -# endif +# endif -# if HAVE_MICROUPTIME +# if HAVE_MICROUPTIME { struct timeval tv; microuptime (&tv); return xtime_make (tv.tv_sec, 1000 * tv.tv_usec); } -# else +# else /* No monotonically increasing clocks are available; fall back on a clock that might jump backwards, since it's the best we can do. */ { @@ -63,6 +66,8 @@ gethrxtime (void) gettime (&ts); return xtime_make (ts.tv_sec, ts.tv_nsec); } +# endif # endif -#endif } + +#endif |