From e1b8ce02693d232264e7b20a71aa855527dea8c7 Mon Sep 17 00:00:00 2001 From: Ben Pfaff Date: Thu, 21 Oct 2004 06:09:39 +0000 Subject: [PATCH] Clarifications. --- doc/userprog.texi | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/doc/userprog.texi b/doc/userprog.texi index 817c8a0..9277b08 100644 --- a/doc/userprog.texi +++ b/doc/userprog.texi @@ -273,9 +273,10 @@ called by user programs are prototyped in @file{lib/user/syscall.h}: @table @code @item SYS_halt @itemx void halt (void) -Stops Pintos and prints out performance statistics. Note that this -should be seldom used, since then you lose some information about -possible deadlock situations, etc. +Stops Pintos by calling @func{power_off} (declared in +@file{threads/init.h}). Note that this should be seldom used, since +then you lose some information about possible deadlock situations, +etc. @item SYS_exit @itemx void exit (int @var{status}) @@ -299,8 +300,9 @@ process, the return value is undefined (but kernel operation must not be disrupted). @item SYS_create -@itemx bool create (const char *@var{file}) -Create a new file called @var{file}. Returns -1 if failed, 0 if OK. +@itemx bool create (const char *@var{file}, unsigned @var{initial_size}) +Create a new file called @var{file} initially @var{initial_size} bytes +in size. Returns -1 if failed, 0 if OK. @item SYS_remove @itemx bool remove (const char *@var{file}) -- 2.30.2