Support accurate short delays in the timer code, to speed up disk
authorBen Pfaff <blp@cs.stanford.edu>
Mon, 13 Dec 2004 22:42:01 +0000 (22:42 +0000)
committerBen Pfaff <blp@cs.stanford.edu>
Mon, 13 Dec 2004 22:42:01 +0000 (22:42 +0000)
commit2fb834e1f01b669851eee9e7a5598bc12df1e5ff
tree99f98ba2041840e35acadc9762cc9d87c4f4508c
parentc95f2f01e84c7579f3230ae82899c907de9a2526
Support accurate short delays in the timer code, to speed up disk
access.  (Before, a "400 ns" sleep took up to 1/TIMER_FREQ seconds.
Now it should be an accurate delays.)

Update projects, tour.
doc/threads.texi
doc/tour.texi
src/devices/disk.c
src/devices/timer.c
src/devices/timer.h
src/threads/init.c