From: Kay Sievers <kay.sievers@vrfy.org>
Date: Wed, 18 May 2011 16:58:04 +0000 (+0200)
Subject: udevadm: settle: wake up more often if --seq-start= or --exit-if-exists= is used
X-Git-Tag: 174~135
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=bd8e0e387d844bd5b7d8c29ca2871c824c0fc146

udevadm: settle: wake up more often if --seq-start= or --exit-if-exists= is used
---

diff --git a/udev/udevadm-settle.c b/udev/udevadm-settle.c
index b717ae60d..053a3bba3 100644
--- a/udev/udevadm-settle.c
+++ b/udev/udevadm-settle.c
@@ -183,8 +183,15 @@ int udevadm_settle(struct udev *udev, int argc, char *argv[])
 		}
 
 		if (pfd[0].fd >= 0) {
-			/* wake up once every second, or whenever the queue file gets gets closed */
-			if (poll(pfd, 1, 1000) > 0 && pfd[0].revents & POLLIN) {
+			int delay;
+
+			/* wake up after delay, or immediately after the queue is rebuilt */
+
+			if (exists != NULL || start > 0)
+				delay = 100;
+			else
+				delay = 1000;
+			if (poll(pfd, 1, delay) > 0 && pfd[0].revents & POLLIN) {
 				char buf[sizeof(struct inotify_event) + PATH_MAX];
 
 				read(pfd[0].fd, buf, sizeof(buf));