semfastmutex-r0drv-solaris.c revision 47c238f82281a3771c8bfb66858da823ecf03dbc
5b281ba489ca18f0380d7efc7a5108b606cce449vboxsync * IPRT - Fast Mutex Semaphores, Ring-0 Driver, Solaris.
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync * Copyright (C) 2006-2007 Sun Microsystems, Inc.
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync * available from http://www.virtualbox.org. This file is free software;
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync * you can redistribute it and/or modify it under the terms of the GNU
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * General Public License (GPL) as published by the Free Software
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * The contents of this file may alternatively be used under the terms
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * of the Common Development and Distribution License Version 1.0
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * VirtualBox OSE distribution, in which case the provisions of the
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * CDDL are applicable instead of those of the GPL.
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * You may elect to license modified versions of this file under the
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * terms and conditions of either the GPL or the CDDL or both.
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync * Clara, CA 95054 USA or visit http://www.sun.com if you need
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync * additional information or have any questions.
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync/*******************************************************************************
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync* Header Files *
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync*******************************************************************************/
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync/*******************************************************************************
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync* Structures and Typedefs *
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync*******************************************************************************/
e7e8a6cb1597db3e0a1a83733e1d90e7a1688647vboxsync * Wrapper for the Solaris mutex.
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync /** Magic value (RTSEMFASTMUTEX_MAGIC). */
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync /** The Solaris mutex. */
47c238f82281a3771c8bfb66858da823ecf03dbcvboxsyncRTDECL(int) RTSemFastMutexCreate(PRTSEMFASTMUTEX phFastMtx)
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync AssertCompile(sizeof(RTSEMFASTMUTEXINTERNAL) > sizeof(void *));
47c238f82281a3771c8bfb66858da823ecf03dbcvboxsync PRTSEMFASTMUTEXINTERNAL pThis = (PRTSEMFASTMUTEXINTERNAL)RTMemAlloc(sizeof(*pThis));
47c238f82281a3771c8bfb66858da823ecf03dbcvboxsyncRTDECL(int) RTSemFastMutexDestroy(RTSEMFASTMUTEX hFastMtx)
47c238f82281a3771c8bfb66858da823ecf03dbcvboxsync AssertMsgReturn(pThis->u32Magic == RTSEMFASTMUTEX_MAGIC, ("%p: u32Magic=%RX32\n", pThis, pThis->u32Magic), VERR_INVALID_HANDLE);
47c238f82281a3771c8bfb66858da823ecf03dbcvboxsync ASMAtomicXchgU32(&pThis->u32Magic, RTSEMFASTMUTEX_MAGIC_DEAD);
47c238f82281a3771c8bfb66858da823ecf03dbcvboxsyncRTDECL(int) RTSemFastMutexRequest(RTSEMFASTMUTEX hFastMtx)
47c238f82281a3771c8bfb66858da823ecf03dbcvboxsync AssertMsgReturn(pThis->u32Magic == RTSEMFASTMUTEX_MAGIC, ("%p: u32Magic=%RX32\n", pThis, pThis->u32Magic), VERR_INVALID_HANDLE);
47c238f82281a3771c8bfb66858da823ecf03dbcvboxsyncRTDECL(int) RTSemFastMutexRelease(RTSEMFASTMUTEX hFastMtx)
47c238f82281a3771c8bfb66858da823ecf03dbcvboxsync AssertMsgReturn(pThis->u32Magic == RTSEMFASTMUTEX_MAGIC, ("%p: u32Magic=%RX32\n", pThis, pThis->u32Magic), VERR_INVALID_HANDLE);