diff options
Diffstat (limited to 'libglusterfs/src/timespec.c')
| -rw-r--r-- | libglusterfs/src/timespec.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/libglusterfs/src/timespec.c b/libglusterfs/src/timespec.c new file mode 100644 index 000000000..5242ecc8c --- /dev/null +++ b/libglusterfs/src/timespec.c @@ -0,0 +1,65 @@ +/* + Copyright (c) 2013 Red Hat, Inc. <http://www.redhat.com> + This file is part of GlusterFS. + + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. +*/ + +#include <stdio.h> +#include <inttypes.h> +#include <time.h> +#include <sys/time.h> + +#if defined GF_DARWIN_HOST_OS +#include <mach/mach_time.h> +static mach_timebase_info_data_t gf_timebase; +#endif + +#include "logging.h" +#include "timespec.h" + +void timespec_now (struct timespec *ts) +{ +#if defined GF_LINUX_HOST_OS || defined GF_SOLARIS_HOST_OS || defined GF_BSD_HOST_OS + if (0 == clock_gettime(CLOCK_MONOTONIC, ts)) + return; + else { + struct timeval tv; + if (0 == gettimeofday(&tv, NULL)) + TIMEVAL_TO_TIMESPEC(&tv, ts); + } +#elif defined GF_DARWIN_HOST_OS + uint64_t time = mach_absolute_time(); + static double scaling = 0.0; + + if (mach_timebase_info(&gf_timebase) != KERN_SUCCESS) { + gf_timebase.numer = 1; + gf_timebase.denom = 1; + } + if (gf_timebase.denom == 0) { + gf_timebase.numer = 1; + gf_timebase.denom = 1; + } + + scaling = (double) gf_timebase.numer / (double) gf_timebase.denom; + time *= scaling; + + ts->tv_sec = (time * NANO); + ts->tv_nsec = (time - (ts->tv_sec * GIGA)); + +#endif /* Platform verification */ + /* + gf_log_callingfn ("timer", GF_LOG_TRACE, "%"GF_PRI_TIME".%09"GF_PRI_TIME, + ts->tv_sec, ts->tv_nsec); + */ +} + +void timespec_adjust_delta (struct timespec *ts, struct timespec delta) +{ + ts->tv_nsec = ((ts->tv_nsec + delta.tv_nsec) % 1000000000); + ts->tv_sec += ((ts->tv_nsec + delta.tv_nsec) / 1000000000); + ts->tv_sec += delta.tv_sec; +} |