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| author | Shawn Bohrer <shawn.bohrer@gmail.com> | 2010-10-27 15:34:54 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-27 18:03:18 -0700 |
| commit | 95aac7b1cd224f568fb83937044cd303ff11b029 (patch) | |
| tree | 24c08cfe031ecc0549cf3f7900e992a27044c4ad /fs/select.c | |
| parent | 231f3d393f63f6e3b505afa179999bba491d0f08 (diff) | |
| download | lwn-95aac7b1cd224f568fb83937044cd303ff11b029.tar.gz lwn-95aac7b1cd224f568fb83937044cd303ff11b029.zip | |
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.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/select.c b/fs/select.c index 5f023f911202..b7b10aa30861 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; |