commit c9620164a48804bd5262a2767f2632edac811c2d
Author: Hajime Tazaki <thehajime@gmail.com>
Date:   Thu Oct 8 14:23:09 2015 +0900

    handle return value of clock_nanosleep(2) correctly

    when nanosleep(2) is used in rumpuser_clock_sleep(), it will properly
    retry when errno == EINTR, but in clock_nanosleep(2) it won't. This
    patch align the error values of clock_nanosleep() to nanosleep's case.

    Signed-off-by: Hajime Tazaki <thehajime@gmail.com>

diff --git a/lib/librumpuser/rumpuser.c b/lib/librumpuser/rumpuser.c
index 60f41b477eb4..1810c4023a26 100644
--- a/lib/librumpuser/rumpuser.c
+++ b/lib/librumpuser/rumpuser.c
@@ -140,6 +140,8 @@ rumpuser_clock_sleep(int enum_rumpclock, int64_t sec, long nsec)
 #ifdef HAVE_CLOCK_NANOSLEEP
 			rv = clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME,
 			    &rqt, NULL);
+			if (rv)
+				errno = rv; rv = -1;
 #else
 			/* le/la/der/die/das sigh. timevalspec tailspin */
 			struct timespec ts, tsr;