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authorShawn Bohrer <shawn.bohrer@gmail.com>2010-10-27 15:34:54 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-27 18:03:18 -0700
commit95aac7b1cd224f568fb83937044cd303ff11b029 (patch)
tree24c08cfe031ecc0549cf3f7900e992a27044c4ad /fs/select.c
parent231f3d393f63f6e3b505afa179999bba491d0f08 (diff)
downloadlinux-95aac7b1cd224f568fb83937044cd303ff11b029.tar.gz
epoll: make epoll_wait() use the hrtimer range feature
This make epoll use hrtimers for the timeout value which prevents epoll_wait() from timing out up to a millisecond early. This mirrors the behavior of select() and poll(). Signed-off-by: Shawn Bohrer <shawn.bohrer@gmail.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Davide Libenzi <davidel@xmailserver.org> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/select.c')
-rw-r--r--fs/select.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/select.c b/fs/select.c
index 5f023f91120..b7b10aa3086 100644
--- a/fs/select.c
+++ b/fs/select.c
@@ -67,7 +67,7 @@ static long __estimate_accuracy(struct timespec *tv)
return slack;
}
-static long select_estimate_accuracy(struct timespec *tv)
+long select_estimate_accuracy(struct timespec *tv)
{
unsigned long ret;
struct timespec now;