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| author | Dmitry Chestnykh <dm.chestnykh@gmail.com> | 2024-02-21 19:08:28 +0300 |
|---|---|---|
| committer | Waldemar Brodkorb <wbx@openadk.org> | 2024-02-22 19:50:09 +0100 |
| commit | 8ea0140d5ffd2dc4ec0e36de71b67e6c1955f3cb (patch) | |
| tree | bbb3b38f991f4e194a79610eef089feaca9451f9 /librt/timer_gettime.c | |
| parent | a908621a934643f51a58042abcf1d1e42e281943 (diff) | |
Introduce time64 support.
This patch introduces *time64 syscalls support for uClibc-ng.
Currently the redirection of syscalls to their *time64
analogs is fully supported for 32bit ARM (ARMv5, ARMv6, ARMv7).
The main changes that take effect when time64 feature is enabled are:
- sizeof(time_t) is 8.
- There is a possibility os setting date beyond year 2038.
- some syscalls are redirected:
clock_adjtime -> clock_adjtime64
clock_getres -> clock_getres_time64
clock_gettime -> clock_gettime64
clock_nanosleep -> clock_nanosleep_time64
clock_settime -> clock_settime64
futex -> futex_time64
mq_timedreceive -> mq_timedreceive_time64
mq_timedsend -> mq_timedsend_time64
ppoll -> ppoll_time64
pselect6 -> pselect6_time64
recvmmsg -> recvmmsg_time64
rt_sigtimedwait -> rt_sigtimedwait_time64
sched_rr_get_interval -> sched_rr_get_interval_time64
semtimedop -> semtimedop_time64
timer_gettime -> timer_gettime64
timer_settime -> timer_settime64
timerfd_gettime -> timerfd_gettime64
timerfd_settime -> timerfd_settime64
utimensat -> utimensat_time64.
- settimeofday uses clock_settime (like in glibc/musl).
- gettimeofday uses clock_gettime (like in glibc/musl).
- nanosleep uses clock_nanosleep (like in glibc/musl).
- There are some fixes in data structures used by libc and kernel
for correct data handling both with and without enabled time64 support.
Signed-off-by: Dmitry Chestnykh <dm.chestnykh@gmail.com>
Diffstat (limited to 'librt/timer_gettime.c')
| -rw-r--r-- | librt/timer_gettime.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/librt/timer_gettime.c b/librt/timer_gettime.c index e13f44642..9495c802d 100644 --- a/librt/timer_gettime.c +++ b/librt/timer_gettime.c @@ -9,9 +9,13 @@ #include "kernel-posix-timers.h" -#ifdef __NR_timer_gettime +#if defined(__NR_timer_gettime) || defined(__NR_timer_gettime64) +#if defined(__UCLIBC_USE_TIME64__) && defined(__NR_timer_gettime64) +#define __NR___syscall_timer_gettime __NR_timer_gettime64 +#else #define __NR___syscall_timer_gettime __NR_timer_gettime +#endif static __inline__ _syscall2(int, __syscall_timer_gettime, kernel_timer_t, ktimerid, void *, value); |