Wording improvements.

[pintos-anon] / doc / threads.texi

diff --git a/doc/threads.texi b/doc/threads.texi
index 2e0032657560c8be1799fcb5b8906e1beb8ce077..49183be9c6027536815b01b835a5bb700bb23083 100644 (file)
--- a/doc/threads.texi
+++ b/doc/threads.texi
@@ -387,11 +387,17 @@ advanced far enough.  This is undesirable because it wastes time that
 could potentially be used more profitably by another thread.  Your
 solution should not busy wait.
 
 could potentially be used more profitably by another thread.  Your
 solution should not busy wait.
 

-The argument to @func{timer_sleep} is expressed in timer ticks, not
-in milliseconds or another unit.  There are @code{TIMER_FREQ} timer
+The argument to @func{timer_sleep} is expressed in timer ticks, not in
+milliseconds or any another unit.  There are @code{TIMER_FREQ} timer

 ticks per second, where @code{TIMER_FREQ} is a macro defined in
 @code{devices/timer.h}.
 
 ticks per second, where @code{TIMER_FREQ} is a macro defined in
 @code{devices/timer.h}.
 

+Separate functions @func{timer_msleep}, @func{timer_usleep}, and
+@func{timer_nsleep} do exist for sleeping a specific number of
+milliseconds, microseconds, or nanoseconds, respectively, but these will
+call @func{timer_sleep} automatically when necessary.  You do not need
+to modify them.
+

 If your delays seem too short or too long, reread the explanation of the
 @option{-r} option to @command{pintos} (@pxref{Debugging versus
 Testing}).
 If your delays seem too short or too long, reread the explanation of the
 @option{-r} option to @command{pintos} (@pxref{Debugging versus
 Testing}).