mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
85 lines
2.6 KiB
85 lines
2.6 KiB
// SPDX-License-Identifier: GPL-2.0-only |
|
/* |
|
* Fast user context implementation of clock_gettime, gettimeofday, and time. |
|
* |
|
* Copyright 2006 Andi Kleen, SUSE Labs. |
|
* Copyright 2019 ARM Limited |
|
* |
|
* 32 Bit compat layer by Stefani Seibold <[email protected]> |
|
* sponsored by Rohde & Schwarz GmbH & Co. KG Munich/Germany |
|
*/ |
|
#include <linux/time.h> |
|
#include <linux/kernel.h> |
|
#include <linux/types.h> |
|
|
|
#include "../../../../lib/vdso/gettimeofday.c" |
|
|
|
extern int __vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz); |
|
extern __kernel_old_time_t __vdso_time(__kernel_old_time_t *t); |
|
|
|
int __vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz) |
|
{ |
|
return __cvdso_gettimeofday(tv, tz); |
|
} |
|
|
|
int gettimeofday(struct __kernel_old_timeval *, struct timezone *) |
|
__attribute__((weak, alias("__vdso_gettimeofday"))); |
|
|
|
__kernel_old_time_t __vdso_time(__kernel_old_time_t *t) |
|
{ |
|
return __cvdso_time(t); |
|
} |
|
|
|
__kernel_old_time_t time(__kernel_old_time_t *t) __attribute__((weak, alias("__vdso_time"))); |
|
|
|
|
|
#if defined(CONFIG_X86_64) && !defined(BUILD_VDSO32_64) |
|
/* both 64-bit and x32 use these */ |
|
extern int __vdso_clock_gettime(clockid_t clock, struct __kernel_timespec *ts); |
|
extern int __vdso_clock_getres(clockid_t clock, struct __kernel_timespec *res); |
|
|
|
int __vdso_clock_gettime(clockid_t clock, struct __kernel_timespec *ts) |
|
{ |
|
return __cvdso_clock_gettime(clock, ts); |
|
} |
|
|
|
int clock_gettime(clockid_t, struct __kernel_timespec *) |
|
__attribute__((weak, alias("__vdso_clock_gettime"))); |
|
|
|
int __vdso_clock_getres(clockid_t clock, |
|
struct __kernel_timespec *res) |
|
{ |
|
return __cvdso_clock_getres(clock, res); |
|
} |
|
int clock_getres(clockid_t, struct __kernel_timespec *) |
|
__attribute__((weak, alias("__vdso_clock_getres"))); |
|
|
|
#else |
|
/* i386 only */ |
|
extern int __vdso_clock_gettime(clockid_t clock, struct old_timespec32 *ts); |
|
extern int __vdso_clock_getres(clockid_t clock, struct old_timespec32 *res); |
|
|
|
int __vdso_clock_gettime(clockid_t clock, struct old_timespec32 *ts) |
|
{ |
|
return __cvdso_clock_gettime32(clock, ts); |
|
} |
|
|
|
int clock_gettime(clockid_t, struct old_timespec32 *) |
|
__attribute__((weak, alias("__vdso_clock_gettime"))); |
|
|
|
int __vdso_clock_gettime64(clockid_t clock, struct __kernel_timespec *ts) |
|
{ |
|
return __cvdso_clock_gettime(clock, ts); |
|
} |
|
|
|
int clock_gettime64(clockid_t, struct __kernel_timespec *) |
|
__attribute__((weak, alias("__vdso_clock_gettime64"))); |
|
|
|
int __vdso_clock_getres(clockid_t clock, struct old_timespec32 *res) |
|
{ |
|
return __cvdso_clock_getres_time32(clock, res); |
|
} |
|
|
|
int clock_getres(clockid_t, struct old_timespec32 *) |
|
__attribute__((weak, alias("__vdso_clock_getres"))); |
|
#endif
|
|
|