2 * Copyright (C) 2001 Julian Elischer <julian@freebsd.org>
3 * for the FreeBSD Foundation.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice(s), this list of conditions and the following disclaimer as
12 * the first lines of this file unmodified other than the possible
13 * addition of one or more copyright notices.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice(s), this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
19 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY
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23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
35 #include <machine/kse.h>
37 * This file defines the structures needed for communication between
38 * the userland and the kernel when running a KSE-based threading system.
39 * The only programs that should see this file are the UTS and the kernel.
43 * Each userland thread has one of these buried in it's
44 * Thread control structure somewhere.
48 struct thread_mailbox *next_completed;
50 void *UTS_handle; /* The UTS can use this for anything */
51 union kse_td_ctx ctx; /* thread's saved context goes here. */
56 * You need to supply one of these as the argument to the
57 * kse_new() system call.
61 struct thread_mailbox *current_thread;
62 struct thread_mailbox *completed_threads;
64 void *UTS_handle; /* The UTS can use this for anything */
66 #define KEMBXF_CRITICAL 0x00000001
68 struct kse_global_mailbox
72 #define GMBXF_CRITICAL 0x00000001
74 /* some provisional sycalls: */