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| author | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2024-01-18 10:18:01 -0300 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2024-04-02 15:28:36 -0300 |
| commit | a4ed0471d71739928a0d0fa3258b3ff3b158e9b9 (patch) | |
| tree | db8118e3d4c787cdae80d343bb40bb7fc7ed2926 /support | |
| parent | a0698a5e92ceeed3409d28623b1d599da6bc887d (diff) | |
| download | glibc-a4ed0471d71739928a0d0fa3258b3ff3b158e9b9.zip glibc-a4ed0471d71739928a0d0fa3258b3ff3b158e9b9.tar.gz glibc-a4ed0471d71739928a0d0fa3258b3ff3b158e9b9.tar.bz2 | |
Always define __USE_TIME_BITS64 when 64 bit time_t is used
It was raised on libc-help [1] that some Linux kernel interfaces expect
the libc to define __USE_TIME_BITS64 to indicate the time_t size for the
kABI. Different than defined by the initial y2038 design document [2],
the __USE_TIME_BITS64 is only defined for ABIs that support more than
one time_t size (by defining the _TIME_BITS for each module).
The 64 bit time_t redirects are now enabled using a different internal
define (__USE_TIME64_REDIRECTS). There is no expected change in semantic
or code generation.
Checked on x86_64-linux-gnu, i686-linux-gnu, aarch64-linux-gnu, and
arm-linux-gnueabi
[1] https://sourceware.org/pipermail/libc-help/2024-January/006557.html
[2] https://sourceware.org/glibc/wiki/Y2038ProofnessDesign
Reviewed-by: DJ Delorie <dj@redhat.com>
Diffstat (limited to 'support')
| -rw-r--r-- | support/timespec.h | 2 | ||||
| -rw-r--r-- | support/xtime.h | 2 | ||||
| -rw-r--r-- | support/xunistd.h | 2 |
3 files changed, 3 insertions, 3 deletions
diff --git a/support/timespec.h b/support/timespec.h index 42f32bc..5ccc716 100644 --- a/support/timespec.h +++ b/support/timespec.h @@ -35,7 +35,7 @@ make_timespec (time_t s, long int ns) enum { TIMESPEC_HZ = 1000000000 }; -#ifndef __USE_TIME_BITS64 +#ifndef __USE_TIME64_REDIRECTS struct timespec timespec_add (struct timespec, struct timespec) __attribute__((const)); struct timespec timespec_sub (struct timespec, struct timespec) diff --git a/support/xtime.h b/support/xtime.h index 5200eef..9961899 100644 --- a/support/xtime.h +++ b/support/xtime.h @@ -30,7 +30,7 @@ __BEGIN_DECLS /* The following functions call the corresponding libc functions and terminate the process on error. */ -#ifndef __USE_TIME_BITS64 +#ifndef __USE_TIME64_REDIRECTS void xclock_gettime (clockid_t clock, struct timespec *ts); void xclock_settime (clockid_t clock, const struct timespec *ts); #else diff --git a/support/xunistd.h b/support/xunistd.h index b5e8c2f..13be9a4 100644 --- a/support/xunistd.h +++ b/support/xunistd.h @@ -36,7 +36,7 @@ pid_t xwaitpid (pid_t, int *status, int flags); void xpipe (int[2]); void xdup2 (int, int); int xopen (const char *path, int flags, mode_t); -#ifndef __USE_TIME_BITS64 +#ifndef __USE_TIME64_REDIRECTS # ifdef __USE_FILE_OFFSET64 void xstat (const char *path, struct stat *); void xlstat (const char *path, struct stat *); |