This is needed to run Python on the Hurd, especially during the build of
python-boot0.
Adapted from https://salsa.debian.org/glibc-team/glibc/-/blob/glibc-2.31/debian/patches/hurd-i386/unsubmitted-clock_t_centiseconds.diff
commit d57f2f9b4bd007846af2fb4217486ea572579010
Author: Richard Braun <rbraun@sceen.net>
Date: Tue Aug 27 11:35:31 2013 +0200
Express CPU time (clock_t of times(2)) in centiseconds
From 170c292b643fdc1eb56881e6592b07c0c019993e Mon Sep 17 00:00:00 2001
From: Jan Nieuwenhuizen <janneke@gnu.org>
Date: Mon, 2 Mar 2020 18:28:54 +0100
Subject: [PATCH 1/2] Express CPU time (clock_t) in centiseconds
---
sysdeps/mach/hurd/clock.c | 8 ++++----
sysdeps/mach/hurd/getclktck.c | 5 ++---
sysdeps/mach/hurd/setitimer.c | 2 +-
sysdeps/mach/hurd/times.c | 2 +-
4 files changed, 8 insertions(+), 9 deletions(-)
diff --git a/sysdeps/mach/hurd/clock.c b/sysdeps/mach/hurd/clock.c
index 7cb42df786..4db49b579d 100644
--- a/sysdeps/mach/hurd/clock.c
+++ b/sysdeps/mach/hurd/clock.c
@@ -44,10 +44,10 @@ clock (void)
if (err)
return __hurd_fail (err);
- total = bi.user_time.seconds * 1000000 + bi.user_time.microseconds;
- total += tti.user_time.seconds * 1000000 + tti.user_time.microseconds;
- total += bi.system_time.seconds * 1000000 + bi.system_time.microseconds;
- total += tti.system_time.seconds * 1000000 + tti.system_time.microseconds;
+ total = bi.user_time.seconds * 100 + bi.user_time.microseconds / 10000;
+ total += tti.user_time.seconds * 100 + tti.user_time.microseconds / 10000;
+ total += bi.system_time.seconds * 100 + bi.system_time.microseconds / 10000;
+ total += tti.system_time.seconds * 100 + tti.system_time.microseconds / 10000;
return total;
}
diff --git a/sysdeps/mach/hurd/getclktck.c b/sysdeps/mach/hurd/getclktck.c
index 943e36e805..5a3cf0930b 100644
--- a/sysdeps/mach/hurd/getclktck.c
+++ b/sysdeps/mach/hurd/getclktck.c
@@ -18,12 +18,11 @@
#include <time.h>
-/* Return frequency of `times'.
- Since Mach reports CPU times in microseconds, we always use 1 million. */
+/* Return frequency of `times'. */
int
__getclktck (void)
{
- return 1000000;
+ return 100;
}
/* Before glibc 2.2, the Hurd actually did this differently, so we
diff --git a/sysdeps/mach/hurd/setitimer.c b/sysdeps/mach/hurd/setitimer.c
index b16f4ddd5d..8bf1464830 100644
--- a/sysdeps/mach/hurd/setitimer.c
+++ b/sysdeps/mach/hurd/setitimer.c
@@ -43,7 +43,7 @@ quantize_timeval (struct timeval *tv)
static time_t quantum = -1;
if (quantum == -1)
- quantum = 1000000 / __getclktck ();
+ quantum = 100 / __getclktck ();
tv->tv_usec = ((tv->tv_usec + (quantum - 1)) / quantum) * quantum;
if (tv->tv_usec >= 1000000)
diff --git a/sysdeps/mach/hurd/times.c b/sysdeps/mach/hurd/times.c
index 23ed992783..cbf6039b19 100644
--- a/sysdeps/mach/hurd/times.c
+++ b/sysdeps/mach/hurd/times.c
@@ -29,7 +29,7 @@
static inline clock_t
clock_from_time_value (const time_value_t *t)
{
- return t->seconds * 1000000 + t->microseconds;
+ return t->seconds * 100 + t->microseconds / 10000;
}
/* Store the CPU time used by this process and all its
--
2.24.0
