[RFC PATCH glic] hurd: Add CLOCK_MONOTONIC case in clock_gettime()

[Zhaoming Luo]

---
 sysdeps/mach/clock_gettime.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

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.
-- 
2.45.2