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Diffstat (limited to '')
-rw-r--r-- | include/linux/time32.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/include/linux/time32.h b/include/linux/time32.h new file mode 100644 index 000000000..83a400b6b --- /dev/null +++ b/include/linux/time32.h @@ -0,0 +1,72 @@ +#ifndef _LINUX_TIME32_H +#define _LINUX_TIME32_H +/* + * These are all interfaces based on the old time_t definition + * that overflows in 2038 on 32-bit architectures. New code + * should use the replacements based on time64_t and timespec64. + * + * Any interfaces in here that become unused as we migrate + * code to time64_t should get removed. + */ + +#include <linux/time64.h> +#include <linux/timex.h> + +#include <vdso/time32.h> + +struct old_itimerspec32 { + struct old_timespec32 it_interval; + struct old_timespec32 it_value; +}; + +struct old_utimbuf32 { + old_time32_t actime; + old_time32_t modtime; +}; + +struct old_timex32 { + u32 modes; + s32 offset; + s32 freq; + s32 maxerror; + s32 esterror; + s32 status; + s32 constant; + s32 precision; + s32 tolerance; + struct old_timeval32 time; + s32 tick; + s32 ppsfreq; + s32 jitter; + s32 shift; + s32 stabil; + s32 jitcnt; + s32 calcnt; + s32 errcnt; + s32 stbcnt; + s32 tai; + + s32:32; s32:32; s32:32; s32:32; + s32:32; s32:32; s32:32; s32:32; + s32:32; s32:32; s32:32; +}; + +extern int get_old_timespec32(struct timespec64 *, const void __user *); +extern int put_old_timespec32(const struct timespec64 *, void __user *); +extern int get_old_itimerspec32(struct itimerspec64 *its, + const struct old_itimerspec32 __user *uits); +extern int put_old_itimerspec32(const struct itimerspec64 *its, + struct old_itimerspec32 __user *uits); +struct __kernel_timex; +int get_old_timex32(struct __kernel_timex *, const struct old_timex32 __user *); +int put_old_timex32(struct old_timex32 __user *, const struct __kernel_timex *); + +/** + * ns_to_kernel_old_timeval - Convert nanoseconds to timeval + * @nsec: the nanoseconds value to be converted + * + * Returns the timeval representation of the nsec parameter. + */ +extern struct __kernel_old_timeval ns_to_kernel_old_timeval(s64 nsec); + +#endif |