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y2038: hide timeval/timespec/itimerval/itimerspec types

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There are no in-kernel users remaining, but there may still be users that
include linux/time.h instead of sys/time.h from user space, so leave the
types available to user space while hiding them from kernel space.

Only the __kernel_old_* versions of these types remain now.

Link: http://lkml.kernel.org/r/20200110154232.4104492-4-arnd@arndb.de
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Deepa Dinamani <deepa.kernel@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Arnd Bergmann 2020-02-20 20:03:57 -08:00 committed by Linus Torvalds
parent 412c53a680
commit c766d1472c
2 changed files with 14 additions and 10 deletions
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2
include/uapi/asm-generic/posix_types.h
View file

@ -87,7 +87,9 @@ typedef struct {
typedef __kernel_long_t __kernel_off_t;
typedef long long __kernel_loff_t;
typedef __kernel_long_t __kernel_old_time_t;
#ifndef __KERNEL__
typedef __kernel_long_t __kernel_time_t;
#endif
typedef long long __kernel_time64_t;
typedef __kernel_long_t __kernel_clock_t;
typedef int __kernel_timer_t;

22
include/uapi/linux/time.h
View file

@ -5,6 +5,7 @@
#include <linux/types.h>
#include <linux/time_types.h>
#ifndef __KERNEL__
#ifndef _STRUCT_TIMESPEC
#define _STRUCT_TIMESPEC
struct timespec {
@ -18,6 +19,17 @@ struct timeval {
__kernel_suseconds_t tv_usec; /* microseconds */
};
struct itimerspec {
struct timespec it_interval;/* timer period */
struct timespec it_value; /* timer expiration */
};
struct itimerval {
struct timeval it_interval;/* timer interval */
struct timeval it_value; /* current value */
};
#endif
struct timezone {
int tz_minuteswest; /* minutes west of Greenwich */
int tz_dsttime; /* type of dst correction */
@ -31,16 +43,6 @@ struct timezone {
#define ITIMER_VIRTUAL 1
#define ITIMER_PROF 2
struct itimerspec {
struct timespec it_interval; /* timer period */
struct timespec it_value; /* timer expiration */
};
struct itimerval {
struct timeval it_interval; /* timer interval */
struct timeval it_value; /* current value */
};
/*
* The IDs of the various system clocks (for POSIX.1b interval timers):
*/