^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Dummy stubs used when CONFIG_POSIX_TIMERS=n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Created by: Nicolas Pitre, July 2016
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright: (C) 2016 Linaro Limited
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/linkage.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/sched.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/syscalls.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/ktime.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/timekeeping.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/posix-timers.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/time_namespace.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/compat.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) /* Architectures may override SYS_NI and COMPAT_SYS_NI */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <asm/syscall_wrapper.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) asmlinkage long sys_ni_posix_timers(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) pr_err_once("process %d (%s) attempted a POSIX timer syscall "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) "while CONFIG_POSIX_TIMERS is not set\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) current->pid, current->comm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) return -ENOSYS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #ifndef SYS_NI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define SYS_NI(name) SYSCALL_ALIAS(sys_##name, sys_ni_posix_timers)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #ifndef COMPAT_SYS_NI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define COMPAT_SYS_NI(name) SYSCALL_ALIAS(compat_sys_##name, sys_ni_posix_timers)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) SYS_NI(timer_create);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) SYS_NI(timer_gettime);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) SYS_NI(timer_getoverrun);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) SYS_NI(timer_settime);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) SYS_NI(timer_delete);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) SYS_NI(clock_adjtime);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) SYS_NI(getitimer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) SYS_NI(setitimer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) SYS_NI(clock_adjtime32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #ifdef __ARCH_WANT_SYS_ALARM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) SYS_NI(alarm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) * We preserve minimal support for CLOCK_REALTIME and CLOCK_MONOTONIC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) * as it is easy to remain compatible with little code. CLOCK_BOOTTIME
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) * is also included for convenience as at least systemd uses it.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) SYSCALL_DEFINE2(clock_settime, const clockid_t, which_clock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) const struct __kernel_timespec __user *, tp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) struct timespec64 new_tp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) if (which_clock != CLOCK_REALTIME)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) if (get_timespec64(&new_tp, tp))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) return do_sys_settimeofday64(&new_tp, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) int do_clock_gettime(clockid_t which_clock, struct timespec64 *tp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) switch (which_clock) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) case CLOCK_REALTIME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) ktime_get_real_ts64(tp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) case CLOCK_MONOTONIC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) ktime_get_ts64(tp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) timens_add_monotonic(tp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) case CLOCK_BOOTTIME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) ktime_get_boottime_ts64(tp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) timens_add_boottime(tp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) SYSCALL_DEFINE2(clock_gettime, const clockid_t, which_clock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) struct __kernel_timespec __user *, tp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) struct timespec64 kernel_tp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) ret = do_clock_gettime(which_clock, &kernel_tp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) if (put_timespec64(&kernel_tp, tp))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) SYSCALL_DEFINE2(clock_getres, const clockid_t, which_clock, struct __kernel_timespec __user *, tp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) struct timespec64 rtn_tp = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) .tv_sec = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) .tv_nsec = hrtimer_resolution,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) switch (which_clock) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) case CLOCK_REALTIME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) case CLOCK_MONOTONIC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) case CLOCK_BOOTTIME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) if (put_timespec64(&rtn_tp, tp))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) SYSCALL_DEFINE4(clock_nanosleep, const clockid_t, which_clock, int, flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) const struct __kernel_timespec __user *, rqtp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) struct __kernel_timespec __user *, rmtp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) struct timespec64 t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) ktime_t texp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) switch (which_clock) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) case CLOCK_REALTIME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) case CLOCK_MONOTONIC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) case CLOCK_BOOTTIME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) if (get_timespec64(&t, rqtp))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) if (!timespec64_valid(&t))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) if (flags & TIMER_ABSTIME)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) rmtp = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) current->restart_block.nanosleep.type = rmtp ? TT_NATIVE : TT_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) current->restart_block.nanosleep.rmtp = rmtp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) texp = timespec64_to_ktime(t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) if (flags & TIMER_ABSTIME)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) texp = timens_ktime_to_host(which_clock, texp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) return hrtimer_nanosleep(texp, flags & TIMER_ABSTIME ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) HRTIMER_MODE_ABS : HRTIMER_MODE_REL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) which_clock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) #ifdef CONFIG_COMPAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) COMPAT_SYS_NI(timer_create);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) #if defined(CONFIG_COMPAT) || defined(CONFIG_ALPHA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) COMPAT_SYS_NI(getitimer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) COMPAT_SYS_NI(setitimer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) #ifdef CONFIG_COMPAT_32BIT_TIME
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) SYS_NI(timer_settime32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) SYS_NI(timer_gettime32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) SYSCALL_DEFINE2(clock_settime32, const clockid_t, which_clock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) struct old_timespec32 __user *, tp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) struct timespec64 new_tp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) if (which_clock != CLOCK_REALTIME)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) if (get_old_timespec32(&new_tp, tp))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) return do_sys_settimeofday64(&new_tp, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) SYSCALL_DEFINE2(clock_gettime32, clockid_t, which_clock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) struct old_timespec32 __user *, tp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) struct timespec64 kernel_tp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) ret = do_clock_gettime(which_clock, &kernel_tp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) if (put_old_timespec32(&kernel_tp, tp))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) SYSCALL_DEFINE2(clock_getres_time32, clockid_t, which_clock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) struct old_timespec32 __user *, tp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) struct timespec64 rtn_tp = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) .tv_sec = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) .tv_nsec = hrtimer_resolution,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) switch (which_clock) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) case CLOCK_REALTIME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) case CLOCK_MONOTONIC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) case CLOCK_BOOTTIME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) if (put_old_timespec32(&rtn_tp, tp))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) SYSCALL_DEFINE4(clock_nanosleep_time32, clockid_t, which_clock, int, flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) struct old_timespec32 __user *, rqtp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) struct old_timespec32 __user *, rmtp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) struct timespec64 t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) ktime_t texp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) switch (which_clock) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) case CLOCK_REALTIME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) case CLOCK_MONOTONIC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) case CLOCK_BOOTTIME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) if (get_old_timespec32(&t, rqtp))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) if (!timespec64_valid(&t))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) if (flags & TIMER_ABSTIME)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) rmtp = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) current->restart_block.nanosleep.type = rmtp ? TT_COMPAT : TT_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) current->restart_block.nanosleep.compat_rmtp = rmtp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) texp = timespec64_to_ktime(t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) if (flags & TIMER_ABSTIME)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) texp = timens_ktime_to_host(which_clock, texp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) return hrtimer_nanosleep(texp, flags & TIMER_ABSTIME ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) HRTIMER_MODE_ABS : HRTIMER_MODE_REL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) which_clock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) #endif
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
3 Commits
0 Branches
0 Tags