diff options
Diffstat (limited to 'tools/include/nolibc/time.h')
| -rw-r--r-- | tools/include/nolibc/time.h | 180 |
1 files changed, 177 insertions, 3 deletions
diff --git a/tools/include/nolibc/time.h b/tools/include/nolibc/time.h index 84655361b9ad..9ba930710ff9 100644 --- a/tools/include/nolibc/time.h +++ b/tools/include/nolibc/time.h @@ -4,6 +4,9 @@ * Copyright (C) 2017-2022 Willy Tarreau <w@1wt.eu> */ +/* make sure to include all global symbols */ +#include "nolibc.h" + #ifndef _NOLIBC_TIME_H #define _NOLIBC_TIME_H @@ -12,20 +15,191 @@ #include "types.h" #include "sys.h" +#include <linux/signal.h> +#include <linux/time.h> + +#define __nolibc_assert_time64_type(t) \ + __nolibc_static_assert(sizeof(t) == 8) + +#define __nolibc_assert_native_time64() \ + __nolibc_assert_time64_type(__kernel_old_time_t) + +/* + * int clock_getres(clockid_t clockid, struct timespec *res); + * int clock_gettime(clockid_t clockid, struct timespec *tp); + * int clock_settime(clockid_t clockid, const struct timespec *tp); + * int clock_nanosleep(clockid_t clockid, int flags, const struct timespec *rqtp, + * struct timespec *rmtp) + */ + +static __attribute__((unused)) +int _sys_clock_getres(clockid_t clockid, struct timespec *res) +{ +#if defined(__NR_clock_getres_time64) + __nolibc_assert_time64_type(res->tv_sec); + return __nolibc_syscall2(__NR_clock_getres_time64, clockid, res); +#else + __nolibc_assert_native_time64(); + return __nolibc_syscall2(__NR_clock_getres, clockid, res); +#endif +} + +static __attribute__((unused)) +int clock_getres(clockid_t clockid, struct timespec *res) +{ + return __sysret(_sys_clock_getres(clockid, res)); +} + +static __attribute__((unused)) +int _sys_clock_gettime(clockid_t clockid, struct timespec *tp) +{ +#if defined(__NR_clock_gettime64) + __nolibc_assert_time64_type(tp->tv_sec); + return __nolibc_syscall2(__NR_clock_gettime64, clockid, tp); +#else + __nolibc_assert_native_time64(); + return __nolibc_syscall2(__NR_clock_gettime, clockid, tp); +#endif +} + +static __attribute__((unused)) +int clock_gettime(clockid_t clockid, struct timespec *tp) +{ + return __sysret(_sys_clock_gettime(clockid, tp)); +} + +static __attribute__((unused)) +int _sys_clock_settime(clockid_t clockid, struct timespec *tp) +{ +#if defined(__NR_clock_settime64) + __nolibc_assert_time64_type(tp->tv_sec); + return __nolibc_syscall2(__NR_clock_settime64, clockid, tp); +#else + __nolibc_assert_native_time64(); + return __nolibc_syscall2(__NR_clock_settime, clockid, tp); +#endif +} + +static __attribute__((unused)) +int clock_settime(clockid_t clockid, struct timespec *tp) +{ + return __sysret(_sys_clock_settime(clockid, tp)); +} + +static __attribute__((unused)) +int _sys_clock_nanosleep(clockid_t clockid, int flags, const struct timespec *rqtp, + struct timespec *rmtp) +{ +#if defined(__NR_clock_nanosleep_time64) + __nolibc_assert_time64_type(rqtp->tv_sec); + return __nolibc_syscall4(__NR_clock_nanosleep_time64, clockid, flags, rqtp, rmtp); +#else + __nolibc_assert_native_time64(); + return __nolibc_syscall4(__NR_clock_nanosleep, clockid, flags, rqtp, rmtp); +#endif +} + +static __attribute__((unused)) +int clock_nanosleep(clockid_t clockid, int flags, const struct timespec *rqtp, + struct timespec *rmtp) +{ + /* Directly return a positive error number */ + return -_sys_clock_nanosleep(clockid, flags, rqtp, rmtp); +} + +static __inline__ +double difftime(time_t time1, time_t time2) +{ + return time1 - time2; +} + +static __inline__ +int nanosleep(const struct timespec *rqtp, struct timespec *rmtp) +{ + return __sysret(_sys_clock_nanosleep(CLOCK_REALTIME, 0, rqtp, rmtp)); +} + + static __attribute__((unused)) time_t time(time_t *tptr) { struct timeval tv; /* note, cannot fail here */ - sys_gettimeofday(&tv, NULL); + _sys_gettimeofday(&tv, NULL); if (tptr) *tptr = tv.tv_sec; return tv.tv_sec; } -/* make sure to include all global symbols */ -#include "nolibc.h" + +/* + * int timer_create(clockid_t clockid, struct sigevent *evp, timer_t *timerid); + * int timer_gettime(timer_t timerid, struct itimerspec *curr_value); + * int timer_settime(timer_t timerid, int flags, const struct itimerspec *new_value, struct itimerspec *old_value); + */ + +static __attribute__((unused)) +int _sys_timer_create(clockid_t clockid, struct sigevent *evp, timer_t *timerid) +{ + return __nolibc_syscall3(__NR_timer_create, clockid, evp, timerid); +} + +static __attribute__((unused)) +int timer_create(clockid_t clockid, struct sigevent *evp, timer_t *timerid) +{ + return __sysret(_sys_timer_create(clockid, evp, timerid)); +} + +static __attribute__((unused)) +int _sys_timer_delete(timer_t timerid) +{ + return __nolibc_syscall1(__NR_timer_delete, timerid); +} + +static __attribute__((unused)) +int timer_delete(timer_t timerid) +{ + return __sysret(_sys_timer_delete(timerid)); +} + +static __attribute__((unused)) +int _sys_timer_gettime(timer_t timerid, struct itimerspec *curr_value) +{ +#if defined(__NR_timer_gettime64) + __nolibc_assert_time64_type(curr_value->it_value.tv_sec); + return __nolibc_syscall2(__NR_timer_gettime64, timerid, curr_value); +#else + __nolibc_assert_native_time64(); + return __nolibc_syscall2(__NR_timer_gettime, timerid, curr_value); +#endif +} + +static __attribute__((unused)) +int timer_gettime(timer_t timerid, struct itimerspec *curr_value) +{ + return __sysret(_sys_timer_gettime(timerid, curr_value)); +} + +static __attribute__((unused)) +int _sys_timer_settime(timer_t timerid, int flags, + const struct itimerspec *new_value, struct itimerspec *old_value) +{ +#if defined(__NR_timer_settime64) + __nolibc_assert_time64_type(new_value->it_value.tv_sec); + return __nolibc_syscall4(__NR_timer_settime64, timerid, flags, new_value, old_value); +#else + __nolibc_assert_native_time64(); + return __nolibc_syscall4(__NR_timer_settime, timerid, flags, new_value, old_value); +#endif +} + +static __attribute__((unused)) +int timer_settime(timer_t timerid, int flags, + const struct itimerspec *new_value, struct itimerspec *old_value) +{ + return __sysret(_sys_timer_settime(timerid, flags, new_value, old_value)); +} #endif /* _NOLIBC_TIME_H */ |