From: Davide Libenzi <davidel@xmailserver.org>
To: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Cc: Andrew Morton <akpm@osdl.org>
Subject: [patch] Make epoll_wait() handle negative timeouts as MAX_SCHEDULE_TIMEOUT ...
Date: Fri, 23 Sep 2005 10:37:36 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.63.0509231031570.10222@localhost.localdomain> (raw)
[-- Attachment #1: Type: TEXT/PLAIN, Size: 198 bytes --]
As reported by Vadim Lobanov, epoll_wait() did not handle correctly
timeouts <0 (only the -1 case was MAX_SCHEDULE_TIMEOUT'd).
Signed-off-by: Davide Libenzi <davidel@xmailserver.org>
- Davide
[-- Attachment #2: Type: TEXT/PLAIN, Size: 472 bytes --]
--- a/fs/eventpoll.c 2005-09-23 10:06:45.000000000 -0700
+++ b/fs/eventpoll.c 2005-09-23 10:09:35.000000000 -0700
@@ -1507,7 +1507,7 @@
* and the overflow condition. The passed timeout is in milliseconds,
* that why (t * HZ) / 1000.
*/
- jtimeout = timeout == -1 || timeout > (MAX_SCHEDULE_TIMEOUT - 1000) / HZ ?
+ jtimeout = timeout < 0 || timeout > (MAX_SCHEDULE_TIMEOUT - 1000) / HZ ?
MAX_SCHEDULE_TIMEOUT: (timeout * HZ + 999) / 1000;
retry:
next reply other threads:[~2005-09-23 17:34 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-23 17:37 Davide Libenzi [this message]
2005-09-23 17:42 ` Nish Aravamudan
2005-09-23 18:04 ` Davide Libenzi
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