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| author | John Stultz <john.stultz@linaro.org> | 2011-02-15 10:52:57 -0800 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2011-02-21 12:53:09 -0800 |
| commit | 7fdd7f89006dd5a4c702fa0ce0c272345fa44ae0 (patch) | |
| tree | 737c69613d51165c791609d5545de8635df99b3c /kernel/posix-timers.c | |
| parent | 70a08cca1227dc31c784ec930099a4417a06e7d0 (diff) | |
| download | lwn-7fdd7f89006dd5a4c702fa0ce0c272345fa44ae0.tar.gz lwn-7fdd7f89006dd5a4c702fa0ce0c272345fa44ae0.zip | |
timers: Export CLOCK_BOOTTIME via the posix timers interface
This patch exports CLOCK_BOOTTIME through the posix timers interface
CC: Jamie Lokier <jamie@shareable.org>
CC: Thomas Gleixner <tglx@linutronix.de>
CC: Alexander Shishkin <virtuoso@slind.org>
CC: Arve Hjønnevåg <arve@android.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Diffstat (limited to 'kernel/posix-timers.c')
| -rw-r--r-- | kernel/posix-timers.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c index 44fcff131b38..4c0124919f9a 100644 --- a/kernel/posix-timers.c +++ b/kernel/posix-timers.c @@ -187,7 +187,7 @@ static int posix_ktime_get_ts(clockid_t which_clock, struct timespec *tp) } /* - * Get monotonic time for posix timers + * Get monotonic-raw time for posix timers */ static int posix_get_monotonic_raw(clockid_t which_clock, struct timespec *tp) { @@ -214,6 +214,14 @@ static int posix_get_coarse_res(const clockid_t which_clock, struct timespec *tp *tp = ktime_to_timespec(KTIME_LOW_RES); return 0; } + +static int posix_get_boottime(const clockid_t which_clock, struct timespec *tp) +{ + get_monotonic_boottime(tp); + return 0; +} + + /* * Initialize everything, well, just everything in Posix clocks/timers ;) */ @@ -253,12 +261,23 @@ static __init int init_posix_timers(void) .clock_getres = posix_get_coarse_res, .clock_get = posix_get_monotonic_coarse, }; + struct k_clock clock_boottime = { + .clock_getres = hrtimer_get_res, + .clock_get = posix_get_boottime, + .nsleep = common_nsleep, + .nsleep_restart = hrtimer_nanosleep_restart, + .timer_create = common_timer_create, + .timer_set = common_timer_set, + .timer_get = common_timer_get, + .timer_del = common_timer_del, + }; posix_timers_register_clock(CLOCK_REALTIME, &clock_realtime); posix_timers_register_clock(CLOCK_MONOTONIC, &clock_monotonic); posix_timers_register_clock(CLOCK_MONOTONIC_RAW, &clock_monotonic_raw); posix_timers_register_clock(CLOCK_REALTIME_COARSE, &clock_realtime_coarse); posix_timers_register_clock(CLOCK_MONOTONIC_COARSE, &clock_monotonic_coarse); + posix_timers_register_clock(CLOCK_BOOTTIME, &clock_boottime); posix_timers_cache = kmem_cache_create("posix_timers_cache", sizeof (struct k_itimer), 0, SLAB_PANIC, |