X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=doc%2F44bsd.texi;h=f530824e8296f0514885479377f4d3804b1e1417;hb=0f20d665200751471df242f1ff8a12f911189c23;hp=2269cdc629eeed0aff0653a3a0412da340bf7458;hpb=ea69fc9dbb8d947fbec0e78fe266c6402c112731;p=pintos-anon diff --git a/doc/44bsd.texi b/doc/44bsd.texi index 2269cdc..f530824 100644 --- a/doc/44bsd.texi +++ b/doc/44bsd.texi @@ -86,7 +86,7 @@ The initial thread starts with a @var{nice} value of zero. Other threads start with a @var{nice} value inherited from their parent thread. You must implement the functions described below, which are for use by test programs. We have provided skeleton definitions for them in -@file{threads/thread.c}. by test programs +@file{threads/thread.c}. @deftypefun int thread_get_nice (void) Returns the current thread's @var{nice} value. @@ -243,8 +243,7 @@ scheduler. It is not a complete description of scheduler requirements. Every thread has a @var{nice} value between -20 and 20 directly under its control. Each thread also has a priority, between 0 (@code{PRI_MIN}) through 63 (@code{PRI_MAX}), which is recalculated -using the following formula whenever the value of either variable term -changes: +using the following formula every fourth tick: @center @t{@var{priority} = @code{PRI_MAX} - (@var{recent_cpu} / 4) - (@var{nice} * 2)}.