diff options
author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2007-04-02 18:23:59 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2007-04-02 18:23:59 +0000 |
commit | 812da546889eea0b6dea7eb2954f46a4c43d1314 (patch) | |
tree | 22fc95d921c3544de770454a2f9c604d5d0a27a2 /cpukit/posix/src/posixtimespecsubtract.c | |
parent | 2007-04-02 Joel Sherrill <joel@OARcorp.com> (diff) | |
download | rtems-812da546889eea0b6dea7eb2954f46a4c43d1314.tar.bz2 |
2007-04-02 Joel Sherrill <joel@OARcorp.com>
* itron/src/itrontime.c, libcsupport/src/__gettod.c,
posix/include/rtems/posix/time.h, posix/include/rtems/posix/timer.h,
posix/src/clockgettime.c, posix/src/clocksettime.c,
posix/src/nanosleep.c, posix/src/posixtimespecsubtract.c,
posix/src/posixtimespectointerval.c, posix/src/ptimer1.c,
posix/src/sleep.c, rtems/Makefile.am,
rtems/include/rtems/rtems/clock.h, rtems/include/rtems/rtems/timer.h,
rtems/include/rtems/rtems/types.h, rtems/src/clockget.c,
rtems/src/clockset.c, rtems/src/clocktodtoseconds.c,
rtems/src/clocktodvalidate.c, rtems/src/taskwakewhen.c,
score/Makefile.am, score/include/rtems/score/tod.h,
score/inline/rtems/score/tod.inl, score/src/coretod.c,
score/src/coretodset.c: Convert from Classic API style TOD_Control as
fundamental time structure to POSIX struct timespec. Add
clock_get_uptime().
* rtems/src/clockgetuptime.c, score/src/coretodget.c,
score/src/coretodgetuptime.c: New files.
* score/src/coretodtickle.c, score/src/coretodtoseconds.c,
score/src/coretodvalidate.c: Removed.
Diffstat (limited to 'cpukit/posix/src/posixtimespecsubtract.c')
-rw-r--r-- | cpukit/posix/src/posixtimespecsubtract.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/cpukit/posix/src/posixtimespecsubtract.c b/cpukit/posix/src/posixtimespecsubtract.c index 52b3c79fec..a2cce2a332 100644 --- a/cpukit/posix/src/posixtimespecsubtract.c +++ b/cpukit/posix/src/posixtimespecsubtract.c @@ -23,11 +23,12 @@ */ void _POSIX_Timespec_subtract( - const struct timespec *the_start, + const struct timespec *start, const struct timespec *end, struct timespec *result ) { +#if 0 struct timespec start_struct = *the_start; struct timespec *start = &start_struct; uint32_t nsecs_per_sec = TOD_NANOSECONDS_PER_SECOND; @@ -43,7 +44,15 @@ void _POSIX_Timespec_subtract( start->tv_nsec += nsecs_per_sec * seconds; start->tv_sec -= seconds; } +#else - result->tv_sec = end->tv_sec - start->tv_sec; - result->tv_nsec = end->tv_nsec - start->tv_nsec; +#endif + + if (end->tv_nsec < start->tv_nsec) { + result->tv_sec = end->tv_sec - start->tv_sec - 1; + result->tv_nsec = (TOD_NANOSECONDS_PER_SECOND - start->tv_nsec) + end->tv_nsec; + } else { + result->tv_sec = end->tv_sec - start->tv_sec; + result->tv_nsec = end->tv_nsec - start->tv_nsec; + } } |