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time: Add padding for the timespec if required

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If we are running on a 32-bit system with a 64-bit time_t we need to
ensure there is padding around the tv_nsec variable. This is requried as
the timespec is #defined to the __timespec64 struct.

	* time/bits/types/struct_timespec.h: Add padding for the timespec if
	required.
This commit is contained in:
Alistair Francis 2019-09-18 16:51:23 -07:00
parent aa706e13f4
commit 69fd157a3d
2 changed files with 18 additions and 0 deletions
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ChangeLog
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@ -1,3 +1,8 @@
2019-10-01 Alistair Francis <alistair.francis@wdc.com>
* time/bits/types/struct_timespec.h: Add padding for the timespec if
required.
2019-10-01 Zack Weinberg <zackw@panix.com>
Alistair Francis <alistair.francis@wdc.com>

13
time/bits/types/struct_timespec.h
View file

@ -3,13 +3,26 @@
#define _STRUCT_TIMESPEC 1
#include <bits/types.h>
#include <bits/endian.h>
/* POSIX.1b structure for a time value. This is like a `struct timeval' but
has nanoseconds instead of microseconds. */
struct timespec
{
__time_t tv_sec; /* Seconds. */
#if __WORDSIZE == 64 \
|| (defined __SYSCALL_WORDSIZE && __SYSCALL_WORDSIZE == 64) \
|| __TIMESIZE == 32
__syscall_slong_t tv_nsec; /* Nanoseconds. */
#else
# if __BYTE_ORDER == __BIG_ENDIAN
int: 32; /* Padding. */
long int tv_nsec; /* Nanoseconds. */
# else
long int tv_nsec; /* Nanoseconds. */
int: 32; /* Padding. */
# endif
#endif
};
#endif