usleep() is removed from POSIX-2008. Replace with nanosleep()

I sure hope I did not drop a zero anywhere...

1 files changed, 8 insertions, 1 deletions

diff --git a/gpsctl.c b/gpsctl.c
index e3835bda..e14c1042 100644
--- a/gpsctl.c
+++ b/gpsctl.c
@@ -43,11 +43,18 @@ static bool hunting = true;
 static void settle(struct gps_device_t *session)
 /* allow the device to settle after a control operation */
 {
+    struct timespec delay;
+
     /*
      * See the 'deep black magic' comment in serial.c:set_serial().
      */
     (void)tcdrain(session->gpsdata.gps_fd);
-    (void)usleep(50000);
+
+    /* wait 50,000 uSec */
+    delay.tv_sec = 0;
+    delay.tv_nsec = 50000000L;
+    nanosleep(&delay, NULL);
+
     (void)tcdrain(session->gpsdata.gps_fd);
 }
 #endif /* defined(RECONFIGURE_ENABLE) || defined(CONTROLSEND_ENABLE) */