Addressed more issues raised by splint.

src/include/config.h.in

@@ -88,6 +88,9 @@
 /* Define to 1 if you have the `msgget' function. */
 #undef HAVE_MSGGET
 
+/* Define to 1 if you have the `nanosleep' function. */
+#undef HAVE_NANOSLEEP
+
 /* Define to 1 if you have the `posix_fadvise' function. */
 #undef HAVE_POSIX_FADVISE
 

src/include/pv-internal.h

@@ -307,7 +307,7 @@ void pv_remote_check(pvstate_t);
 void pv_remote_fini(pvstate_t);
 int pv_remote_set(pvstate_t);
 
-int pv_watchfd_info(pvstate_t, pvwatchfd_t, int);
+int pv_watchfd_info(pvstate_t, pvwatchfd_t, bool);
 int pv_watchfd_changed(pvwatchfd_t);
 off_t pv_watchfd_position(pvwatchfd_t);
 int pv_watchpid_scanfds(pvstate_t, pvstate_t, unsigned int, int *, pvwatchfd_t *, pvstate_t *, int *);

src/include/pv.h

@@ -123,6 +123,9 @@ void pv_elapsedtime_subtract(struct timespec *, const struct timespec *, const s
 /* Convert a timespec to seconds. */
 long double pv_elapsedtime_seconds(const struct timespec *);
 
+/* Sleep for a number of nanoseconds. */
+void pv_nanosleep(long long);
+
           
 /*
  * Main PV functions.