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 --- libc/sysdeps/linux/arm/bits/kernel_stat.h | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) (limited to 'libc/sysdeps/linux/arm/bits') diff --git a/libc/sysdeps/linux/arm/bits/kernel_stat.h b/libc/sysdeps/linux/arm/bits/kernel_stat.h index b293dfc05..8bddb4085 100644 --- a/libc/sysdeps/linux/arm/bits/kernel_stat.h +++ b/libc/sysdeps/linux/arm/bits/kernel_stat.h @@ -5,6 +5,17 @@ * struct kernel_stat should look like... It turns out each arch has a * different opinion on the subject... */ +#if defined(__UCLIBC_USE_TIME64__) + +#include + +struct ts32_struct { + __S32_TYPE tv_sec; + __S32_TYPE tv_nsec; +}; + +#endif + struct kernel_stat { #if defined(__ARMEB__) unsigned short st_dev; @@ -26,9 +37,15 @@ struct kernel_stat { unsigned long st_size; unsigned long st_blksize; unsigned long st_blocks; +#if defined(__UCLIBC_USE_TIME64__) + struct ts32_struct __st_atim32; + struct ts32_struct __st_mtim32; + struct ts32_struct __st_ctim32; +#else struct timespec st_atim; struct timespec st_mtim; struct timespec st_ctim; +#endif unsigned long __uclibc_unused4; unsigned long __uclibc_unused5; }; @@ -50,10 +67,15 @@ struct kernel_stat64 { long long st_size; unsigned long st_blksize; unsigned long long st_blocks; /* Number 512-byte blocks allocated. */ - +#if defined(__UCLIBC_USE_TIME64__) + struct ts32_struct __st_atim32; + struct ts32_struct __st_mtim32; + struct ts32_struct __st_ctim32; +#else struct timespec st_atim; struct timespec st_mtim; struct timespec st_ctim; +#endif unsigned long long st_ino; #ifndef __ARM_EABI__ } __attribute__((packed)); -- cgit v1.2.3