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thr_umtx.c (212076) thr_umtx.c (212077)
1/*
2 * Copyright (c) 2005 David Xu <davidxu@freebsd.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
1/*
2 * Copyright (c) 2005 David Xu <davidxu@freebsd.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * $FreeBSD: head/lib/libthr/thread/thr_umtx.c 212076 2010-09-01 02:18:33Z davidxu $
26 * $FreeBSD: head/lib/libthr/thread/thr_umtx.c 212077 2010-09-01 03:11:21Z davidxu $
27 *
28 */
29
30#include "thr_private.h"
31#include "thr_umtx.h"
32
33#ifndef HAS__UMTX_OP_ERR
34int _umtx_op_err(void *obj, int op, u_long val, void *uaddr, void *uaddr2)

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42void
43_thr_umutex_init(struct umutex *mtx)
44{
45 static struct umutex default_mtx = DEFAULT_UMUTEX;
46
47 *mtx = default_mtx;
48}
49
27 *
28 */
29
30#include "thr_private.h"
31#include "thr_umtx.h"
32
33#ifndef HAS__UMTX_OP_ERR
34int _umtx_op_err(void *obj, int op, u_long val, void *uaddr, void *uaddr2)

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42void
43_thr_umutex_init(struct umutex *mtx)
44{
45 static struct umutex default_mtx = DEFAULT_UMUTEX;
46
47 *mtx = default_mtx;
48}
49
50void
51_thr_urwlock_init(struct urwlock *rwl)
52{
53 static struct urwlock default_rwl = DEFAULT_URWLOCK;
54 *rwl = default_rwl;
55}
56
50int
51__thr_umutex_lock(struct umutex *mtx, uint32_t id)
52{
53 uint32_t owner;
54
55 if ((mtx->m_flags & (UMUTEX_PRIO_PROTECT | UMUTEX_PRIO_INHERIT)) == 0) {
56 for (;;) {
57 /* wait in kernel */

--- 201 unchanged lines hidden --- 		57int
58__thr_umutex_lock(struct umutex *mtx, uint32_t id)
59{
60 uint32_t owner;
61
62 if ((mtx->m_flags & (UMUTEX_PRIO_PROTECT | UMUTEX_PRIO_INHERIT)) == 0) {
63 for (;;) {
64 /* wait in kernel */

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