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y2038: add __kernel_old_timespec and __kernel_old_time_t

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The 'struct timespec' definition can no longer be part of the uapi headers
because it conflicts with a a now incompatible libc definition. Also,
we really want to remove it in order to prevent new uses from creeping in.

The same namespace conflict exists with time_t, which should also be
removed. __kernel_time_t could be used safely, but adding 'old' in the
name makes it clearer that this should not be used for new interfaces.

Add a replacement __kernel_old_timespec structure and __kernel_old_time_t
along the lines of __kernel_old_timeval.

Acked-by: Deepa Dinamani <deepa.kernel@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2019-10-25 22:03:06 +02:00
parent 3ca47e958a
commit 94c467ddb2
2 changed files with 6 additions and 0 deletions
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1
include/uapi/asm-generic/posix_types.h
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@ -86,6 +86,7 @@ typedef struct {
*/
typedef __kernel_long_t __kernel_off_t;
typedef long long __kernel_loff_t;
typedef __kernel_long_t __kernel_old_time_t;
typedef __kernel_long_t __kernel_time_t;
typedef long long __kernel_time64_t;
typedef __kernel_long_t __kernel_clock_t;

5
include/uapi/linux/time_types.h
View File

@ -28,6 +28,11 @@ struct __kernel_old_timeval {
};
#endif
struct __kernel_old_timespec {
__kernel_time_t tv_sec; /* seconds */
long tv_nsec; /* nanoseconds */
};
struct __kernel_sock_timeval {
__s64 tv_sec;
__s64 tv_usec;