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gnu: glibc: Add clock patches for the Hurd.

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* gnu/packages/patches/glibc-hurd-clock_t_centiseconds.patch: New file.
* gnu/packages/patches/glibc-hurd-clock_gettime_monotonic.patch: New file.
* gnu/local.mk (dist_patch_DATA): Update them.
* gnu/packages/base.scm (glibc): Use them.
This commit is contained in:
Jan Nieuwenhuizen 2020-03-01 16:37:37 +01:00
parent 9b943db357
commit 974c42a70a
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GPG key ID: F3C1A0D9C1D65273
4 changed files with 180 additions and 2 deletions
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84
gnu/packages/patches/glibc-hurd-clock_gettime_monotonic.patch Normal file
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@ -0,0 +1,84 @@
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
Use the realtime clock for the monotonic clock. This is of course not a proper
implementation (which is being done in Mach), but will permit to fix at least
the iceweasel stack.
vlc however doesn't build when _POSIX_CLOCK_SELECTION is enabled but
_POSIX_TIMERS is not, and they refuse to fix that (see #765578), so disable the
former.
From 0aa1dfd580cf9ad7b812c307b128decb782b825f Mon Sep 17 00:00:00 2001
From: Jan Nieuwenhuizen <janneke@gnu.org>
Date: Mon, 2 Mar 2020 18:59:04 +0100
Subject: [PATCH 2/2] Use realtime clock for the monotonic clock.
---
sysdeps/mach/clock_gettime.c | 2 +-
sysdeps/mach/hurd/bits/posix_opt.h | 6 +++---
sysdeps/posix/clock_getres.c | 1 +
sysdeps/pthread/timer_create.c | 2 +-
4 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/sysdeps/mach/clock_gettime.c b/sysdeps/mach/clock_gettime.c
index ac3547df3c..af8681ba4e 100644
--- a/sysdeps/mach/clock_gettime.c
+++ b/sysdeps/mach/clock_gettime.c
@@ -25,7 +25,7 @@
int
__clock_gettime (clockid_t clock_id, struct timespec *ts)
{
- if (clock_id != CLOCK_REALTIME)
+ if (clock_id != CLOCK_MONOTONIC && clock_id != CLOCK_REALTIME)
{
errno = EINVAL;
return -1;
diff --git a/sysdeps/mach/hurd/bits/posix_opt.h b/sysdeps/mach/hurd/bits/posix_opt.h
index 0050151332..27b3a28ab7 100644
--- a/sysdeps/mach/hurd/bits/posix_opt.h
+++ b/sysdeps/mach/hurd/bits/posix_opt.h
@@ -163,10 +163,10 @@
#define _POSIX_THREAD_PROCESS_SHARED -1
/* The monotonic clock might be available. */
-#define _POSIX_MONOTONIC_CLOCK 0
+#define _POSIX_MONOTONIC_CLOCK 200809L
-/* The clock selection interfaces are available. */
-#define _POSIX_CLOCK_SELECTION 200809L
+/* The clock selection interfaces are not really available yet. */
+#define _POSIX_CLOCK_SELECTION -1
/* Advisory information interfaces could be available in future. */
#define _POSIX_ADVISORY_INFO 0
diff --git a/sysdeps/posix/clock_getres.c b/sysdeps/posix/clock_getres.c
index fcd79fd554..1dd02aa449 100644
--- a/sysdeps/posix/clock_getres.c
+++ b/sysdeps/posix/clock_getres.c
@@ -52,6 +52,7 @@ __clock_getres (clockid_t clock_id, struct timespec *res)
switch (clock_id)
{
case CLOCK_REALTIME:
+ case CLOCK_MONOTONIC:
retval = realtime_getres (res);
break;
diff --git a/sysdeps/pthread/timer_create.c b/sysdeps/pthread/timer_create.c
index 9d8a9ea8ae..3430582c09 100644
--- a/sysdeps/pthread/timer_create.c
+++ b/sysdeps/pthread/timer_create.c
@@ -48,7 +48,7 @@ timer_create (clockid_t clock_id, struct sigevent *evp, timer_t *timerid)
return -1;
}
- if (clock_id != CLOCK_REALTIME)
+ if (clock_id != CLOCK_REALTIME && clock_id != CLOCK_MONOTONIC)
{
__set_errno (EINVAL);
return -1;
--
2.24.0