rump_curlwp___thread.h revision 1.2.6.2 1 1.2.6.2 yamt /* $NetBSD: rump_curlwp___thread.h,v 1.2.6.2 2014/05/22 11:41:15 yamt Exp $ */
2 1.2.6.2 yamt
3 1.2.6.2 yamt /*-
4 1.2.6.2 yamt * Copyright (c) 2014 Antti Kantee. All Rights Reserved.
5 1.2.6.2 yamt *
6 1.2.6.2 yamt * Redistribution and use in source and binary forms, with or without
7 1.2.6.2 yamt * modification, are permitted provided that the following conditions
8 1.2.6.2 yamt * are met:
9 1.2.6.2 yamt * 1. Redistributions of source code must retain the above copyright
10 1.2.6.2 yamt * notice, this list of conditions and the following disclaimer.
11 1.2.6.2 yamt * 2. Redistributions in binary form must reproduce the above copyright
12 1.2.6.2 yamt * notice, this list of conditions and the following disclaimer in the
13 1.2.6.2 yamt * documentation and/or other materials provided with the distribution.
14 1.2.6.2 yamt *
15 1.2.6.2 yamt * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
16 1.2.6.2 yamt * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17 1.2.6.2 yamt * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 1.2.6.2 yamt * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 1.2.6.2 yamt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 1.2.6.2 yamt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 1.2.6.2 yamt * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 1.2.6.2 yamt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 1.2.6.2 yamt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 1.2.6.2 yamt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 1.2.6.2 yamt * SUCH DAMAGE.
26 1.2.6.2 yamt */
27 1.2.6.2 yamt
28 1.2.6.2 yamt extern __thread struct lwp *curlwp_storage;
29 1.2.6.2 yamt #ifdef RUMP__CURLWP_PRIVATE
30 1.2.6.2 yamt #include <rump/rumpuser.h>
31 1.2.6.2 yamt
32 1.2.6.2 yamt __thread struct lwp *curlwp_storage;
33 1.2.6.2 yamt static void
34 1.2.6.2 yamt lwproc_curlwpop(enum rumplwpop op, struct lwp *l)
35 1.2.6.2 yamt {
36 1.2.6.2 yamt
37 1.2.6.2 yamt switch (op) {
38 1.2.6.2 yamt case RUMPUSER_LWP_CREATE:
39 1.2.6.2 yamt case RUMPUSER_LWP_DESTROY:
40 1.2.6.2 yamt break;
41 1.2.6.2 yamt case RUMPUSER_LWP_SET:
42 1.2.6.2 yamt KASSERT(curlwp_storage == NULL);
43 1.2.6.2 yamt curlwp_storage = l;
44 1.2.6.2 yamt break;
45 1.2.6.2 yamt case RUMPUSER_LWP_CLEAR:
46 1.2.6.2 yamt KASSERT(curlwp_storage == l);
47 1.2.6.2 yamt curlwp_storage = NULL;
48 1.2.6.2 yamt break;
49 1.2.6.2 yamt }
50 1.2.6.2 yamt /*
51 1.2.6.2 yamt * Need to keep hypercall layer in sync, since it can use curlwp
52 1.2.6.2 yamt * for things like mutexes. Should be fixed/adjusted somehow.
53 1.2.6.2 yamt */
54 1.2.6.2 yamt rumpuser_curlwpop(op, l);
55 1.2.6.2 yamt }
56 1.2.6.2 yamt #endif
57 1.2.6.2 yamt
58 1.2.6.2 yamt static inline struct lwp * __attribute__((const))
59 1.2.6.2 yamt rump_curlwp_fast(void)
60 1.2.6.2 yamt {
61 1.2.6.2 yamt
62 1.2.6.2 yamt return curlwp_storage;
63 1.2.6.2 yamt }
64