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Diffstat (limited to 'manual/maint.texi')
| -rw-r--r-- | manual/maint.texi | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/manual/maint.texi b/manual/maint.texi index 89da704f45..04faa222e2 100644 --- a/manual/maint.texi +++ b/manual/maint.texi @@ -491,6 +491,10 @@ derived as in the dual-time configuration case, and which expands to the symbol's name. For instance, the macro @code{__clock_gettime64} expands to @code{clock_gettime}. +When @code{__TIMESIZE} is set to 64, @theglibc{} will also define +the@code{__USE_TIME_BITS64} macro. It is used by the Linux kernel ABI +to set the expected @code{time_t} size used on some syscalls. + These macros are purely internal to @theglibc{} and exist only so that a single definition of the 64-bit time functions can be used on both single-time and dual-time configurations, and so that glibc code can |