FIXME: Needs splitting.

This further improves performance by about 20%.

This improves performance by about 55%.

This should imrove performance when floating point math will be replaced
by fixed point calculations.

This improves performance by about 5%.

Bug: http://bugs.winehq.org/show_bug.cgi?id=35331

Wine-Bug: http://bugs.winehq.org/show_bug.cgi?id=34579

Changes in v2 by Sebastian Lackner <sebastian@fds-team.de>:
* Update to Liberation Sans version 1.07.4

Signed-off-by: Alistair Leslie-Hughes <leslie_alistair@hotmail.com>

Signed-off-by: Alistair Leslie-Hughes <leslie_alistair@hotmail.com>

Signed-off-by: Alistair Leslie-Hughes <leslie_alistair@hotmail.com>

Signed-off-by: Michael Müller <michael@fds-team.de>

server: Create esync file descriptors for true file objects and use them for directory change notifications.

Just semaphores and mutexes thus far.

We don't have to worry about races because this is just a hint: we still call read() eventually.

The primary function is to check for races. The secondary function is to measure performance.