Zhaoming Luo, le mer. 01 janv. 2025 18:04:16 +0800, a ecrit: > On 1/1/25 5:51 PM, Zhaoming Luo wrote: > > --- > > sysdeps/mach/clock_gettime.c | 12 ++++++++++++ > > 1 file changed, 12 insertions(+) > The website[0] mentions making `gettimeofday()` use the CLOCK_MONOTONIC.
Mmm, that website comment actually looks bogus: one can't assume that CLOCK_MONOTONIC provides something that can be used to display actuall wallclock time, which is subject to jumps. I have dropped it. > Does that refer to this one[1]? > > [0]: https://darnassus.sceen.net/~hurd-web/open_issues/clock_gettime/ > [1]: > https://sourceware.org/git?p=glibc.git;a=blob;f=time/gettimeofday.c;h=bf92756cae906b9afff44d302800babbb1413b4a;hb=HEAD#l26 > > > > diff --git a/sysdeps/mach/clock_gettime.c b/sysdeps/mach/clock_gettime.c > > index 6fffad39f5..22faf85730 100644 > > --- a/sysdeps/mach/clock_gettime.c > > +++ b/sysdeps/mach/clock_gettime.c > > @@ -31,6 +31,18 @@ __clock_gettime (clockid_t clock_id, struct timespec *ts) > > switch (clock_id) { > > + case CLOCK_MONOTONIC: > > + { > > + /* __host_get_uptime64 can only fail if passed an invalid host_t. > > + __mach_host_self could theoretically fail (producing an > > + invalid host_t) due to resource exhaustion, but we assume > > + this will never happen. */ > > + time_value64_t tv; > > + __host_get_uptime64 (__mach_host_self (), &tv); > > + TIME_VALUE64_TO_TIMESPEC (&tv, ts); > > + return 0; > > + } > > + > > case CLOCK_REALTIME: > > { > > /* __host_get_time can only fail if passed an invalid host_t.
