From 5f9f0b980d15e7f7c30737d8a12e795b4e64bac7 Mon Sep 17 00:00:00 2001
From: Ben Pfaff <blp@cs.stanford.edu>
Date: Wed, 27 Oct 2004 03:10:39 +0000
Subject: [PATCH] Clarifications.
---
doc/userprog.texi | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)
diff --git a/doc/userprog.texi b/doc/userprog.texi
index 4f98ed7..3293496 100644
--- a/doc/userprog.texi
+++ b/doc/userprog.texi
@@ -254,9 +254,18 @@ another reason. The name printed should be the full name passed to
@func{process_execute}, except that it is acceptable to truncate it to
15 characters to allow for the limited space in @struct{thread}.
+@itemize @minus
+@item
Do not print a message when a kernel thread that is not a process
-terminates. Do not print messages about process termination for the
-@code{halt} system call.
+terminates.
+
+@item
+Do not print messages about process termination for the @code{halt}
+system call.
+
+@item
+No message need be printed when a process that fails to load.
+@end itemize
@item
Aside from this, the kernel should print out no other messages that
@@ -349,7 +358,7 @@ conditions (usually errors).
@itemx pid_t exec (const char *@var{cmd_line})
Runs the executable whose name is given in @var{cmd_line}, passing any
given arguments, and returns the new process's program id (pid). If
-there is an error loading this program, returns pid -1, which
+there is an error loading this program, may return pid -1, which
otherwise should not be a valid id number.
@item SYS_join
--
2.30.2