libbb: introduce and use msleep()

function                                             old     new   delta
msleep                                                 -      45     +45
watchdog_main                                        271     266      -5
common_traceroute_main                              3546    3530     -16
beep_main                                            277     248     -29
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/3 up/down: 45/-50)             Total: -5 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/miscutils/beep.c b/miscutils/beep.c
index 1669332fd..7c60aed08 100644
--- a/miscutils/beep.c
+++ b/miscutils/beep.c
@@ -114,10 +114,10 @@ int beep_main(int argc, char **argv)
 		while (rep) {
 //bb_error_msg("rep[%d] freq=%d, length=%d, delay=%d", rep, freq, length, delay);
 			xioctl(speaker, KIOCSOUND, (void*)(uintptr_t)tickrate_div_freq);
-			usleep(1000 * length);
+			msleep(length);
 			ioctl(speaker, KIOCSOUND, (void*)0);
 			if (--rep)
-				usleep(1000 * delay);
+				msleep(delay);
 		}
 	}