nanosleep: improve port to mingw

[gnulib.git] / lib / nanosleep.c

diff --git a/lib/nanosleep.c b/lib/nanosleep.c
index a9311f8..2b5bf5a 100644 (file)
--- a/lib/nanosleep.c
+++ b/lib/nanosleep.c
@@ -134,6 +134,12 @@ rpl_nanosleep (const struct timespec *requested_delay,
 {
   static bool initialized;
 
+  if (requested_delay->tv_nsec < 0 || BILLION <= requested_delay->tv_nsec)
+    {
+      errno = EINVAL;
+      return -1;
+    }
+
   /* set up sig handler */
   if (! initialized)
     {