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-rw-r--r--gnu/packages/patches/glibc-2.37-hurd-clock_t_centiseconds.patch61
1 files changed, 61 insertions, 0 deletions
diff --git a/gnu/packages/patches/glibc-2.37-hurd-clock_t_centiseconds.patch b/gnu/packages/patches/glibc-2.37-hurd-clock_t_centiseconds.patch
new file mode 100644
index 0000000000..944b2fe8df
--- /dev/null
+++ b/gnu/packages/patches/glibc-2.37-hurd-clock_t_centiseconds.patch
@@ -0,0 +1,61 @@
+Taken from: https://salsa.debian.org/glibc-team/glibc/-/blob/9ce19663f00176f30d6eab29fd14db3e7cd53dcf/debian/patches/hurd-i386/unsubmitted-clock_t_centiseconds.diff
+
+Some applications assume centisecond precision, or at most millisecond precision
+(e.g. guile). This is a work-around for them.
+
+---
+ getclktck.c | 5 ++---
+ setitimer.c | 2 +-
+ times.c | 2 +-
+ 4 files changed, 8 insertions(+), 9 deletions(-)
+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
+
+diff --git a/sysdeps/mach/hurd/getclktck.c b/sysdeps/mach/hurd/getclktck.c
+index 69be2cc..5f7d946 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 39b6b16..4992c89 100644
+--- a/sysdeps/mach/hurd/setitimer.c
++++ b/sysdeps/mach/hurd/setitimer.c
+@@ -42,7 +42,7 @@ 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 9e13a75..593c33a 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