[src/trunk]: src/lib/librump Make fewer assumptions about the host.

[pooka <pooka%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/e6ca815474a5
branches:  trunk
changeset: 333289:e6ca815474a5
user:      pooka <pooka%NetBSD.org@localhost>
date:      Mon Oct 27 12:50:41 2014 +0000

description:
Make fewer assumptions about the host.

diffstat:

 lib/librump/rump_lwproc.3 |  12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)

diffs (36 lines):

diff -r c02dd021db83 -r e6ca815474a5 lib/librump/rump_lwproc.3
--- a/lib/librump/rump_lwproc.3 Mon Oct 27 12:32:08 2014 +0000
+++ b/lib/librump/rump_lwproc.3 Mon Oct 27 12:50:41 2014 +0000
@@ -1,4 +1,4 @@
-.\"     $NetBSD: rump_lwproc.3,v 1.6 2014/10/27 12:32:08 pooka Exp $
+.\"     $NetBSD: rump_lwproc.3,v 1.7 2014/10/27 12:50:41 pooka Exp $
 .\"
 .\" Copyright (c) 2010 Antti Kantee.  All rights reserved.
 .\"
@@ -56,7 +56,7 @@
 for how thread context is determined are different.
 .Pp
 In the rump kernel model, each host thread (implemented for example
-with pthreads) is either bound to
+with pthreads or green threads) is either bound to
 a rump kernel lwp or accesses the rump kernel with an implicit thread
 context associated with pid 1.
 An implicit thread context is created every time the rump kernel
@@ -70,13 +70,13 @@
 left to the caller.
 It is possible to create a dedicated host thread for every
 rump kernel lwp or multiplex them on top of a single host thread.
-After rump kernel lwps have been created, switching curlwp is very cheap
--- faster than a thread context switch on the host.
+After rump kernel lwps have been created, switching curlwp is very cheap.
 In case multiple lwps/processes are created, it is the caller's
 responsibility to keep track of them and release them when they
 are no longer necessary.
-Like other rump kernel resources, procs/lwps will be released when
-the process hosting the rump kernel exits.
+A rump kernel lwp will persist until it is explicitly released.
+A rump kernel process will persist until all of its lwps have been
+released, at which point the process is automatically released.
 .Bl -tag -width xxxx
 .It Fn rump_pub_lwproc_rfork
 Create a process, one lwp inside it and set curlwp to the new lwp.