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Clarifications.
author
Ben Pfaff
<blp@cs.stanford.edu>
Wed, 27 Oct 2004 03:10:39 +0000
(
03:10
+0000)
committer
Ben Pfaff
<blp@cs.stanford.edu>
Wed, 27 Oct 2004 03:10:39 +0000
(
03:10
+0000)
doc/userprog.texi
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diff --git
a/doc/userprog.texi
b/doc/userprog.texi
index 4f98ed71308c769f28eae01bca975b8f34e072d3..32934965f4c44cc805de4b930ea4f56be4436ce2 100644
(file)
--- 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}.
@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
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
@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
@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
otherwise should not be a valid id number.
@item SYS_join