From 8ea0140d5ffd2dc4ec0e36de71b67e6c1955f3cb Mon Sep 17 00:00:00 2001 From: Dmitry Chestnykh Date: Wed, 21 Feb 2024 19:08:28 +0300 Subject: 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 --- librt/clock_nanosleep.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'librt/clock_nanosleep.c') diff --git a/librt/clock_nanosleep.c b/librt/clock_nanosleep.c index 85db72fb3..eaae75720 100644 --- a/librt/clock_nanosleep.c +++ b/librt/clock_nanosleep.c @@ -37,15 +37,21 @@ clock_nanosleep (clockid_t clock_id, int flags, const struct timespec *req, clock_id = MAKE_PROCESS_CPUCLOCK (0, CPUCLOCK_SCHED); if (SINGLE_THREAD_P) +#if defined(__UCLIBC_USE_TIME64__) && defined(__NR_clock_nanosleep_time64) + r = INTERNAL_SYSCALL (clock_nanosleep_time64, err, 4, clock_id, flags, req, rem); +#else r = INTERNAL_SYSCALL (clock_nanosleep, err, 4, clock_id, flags, req, rem); +#endif else { #ifdef __NEW_THREADS int oldstate = LIBC_CANCEL_ASYNC (); - +#if defined(__UCLIBC_USE_TIME64__) && defined(__NR_clock_nanosleep_time64) + r = INTERNAL_SYSCALL (clock_nanosleep_time64, err, 4, clock_id, flags, req, rem); +#else r = INTERNAL_SYSCALL (clock_nanosleep, err, 4, clock_id, flags, req, rem); - +#endif LIBC_CANCEL_RESET (oldstate); #endif } -- cgit v1.2.3