From 5d61e71c3a8ac3296afbfe9a014c62050c5a9234 Mon Sep 17 00:00:00 2001
From: Denis Vlasenko
Date: Thu, 27 Sep 2007 10:09:59 +0000
Subject: introduce safe_poll (fixes a problem in top)

function                                             old     new   delta
safe_poll                                              -      77     +77
svlogd_main                                         1470    1466      -4
zcip_main                                           1530    1524      -6
forkexec                                            1345    1338      -7
decode_format_string                                 795     788      -7
collect_blk                                          474     467      -7
buffer_pread                                         540     532      -8
tftp                                                1182    1172     -10
microcom_main                                        763     749     -14
arpping                                              441     424     -17
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/9 up/down: 77/-80)             Total: -3 bytes
   text    data     bss     dec     hex filename
 770162    1034   10404  781600   bed20 busybox_old
 770158    1034   10404  781596   bed1c busybox_unstripped

---
 procps/top.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'procps')

diff --git a/procps/top.c b/procps/top.c
index ac3b7e5..e55cecc 100644
--- a/procps/top.c
+++ b/procps/top.c
@@ -924,7 +924,7 @@ int top_main(int argc, char **argv)
 #if !ENABLE_FEATURE_USE_TERMIOS
 		sleep(interval);
 #else
-		if (poll(pfd, 1, interval * 1000) != 0) {
+		if (safe_poll(pfd, 1, interval * 1000) > 0) {
 			if (read(0, &c, 1) != 1)    /* signal */
 				break;
 			if (c == initial_settings.c_cc[VINTR])
-- 
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