d6b92ffa99
kernel APIs. List of sources used: 1) rdma-core was cloned from "https://github.com/linux-rdma/rdma-core.git" Top commit d65138ef93af30b3ea249f3a84aa6a24ba7f8a75 2) OpenSM was cloned from git://git.openfabrics.org/~halr/opensm.git Top commit 85f841cf209f791c89a075048a907020e924528d 3) libibmad was cloned from "git://git.openfabrics.org/~iraweiny/libibmad.git" Tag 1.3.13 with some additional patches from Mellanox. 4) infiniband-diags was cloned from "git://git.openfabrics.org/~iraweiny/infiniband-diags.git" Tag 1.6.7 with some additional patches from Mellanox. Added the required Makefiles for building and installing. Sponsored by: Mellanox Technologies
92 lines
2.8 KiB
C
92 lines
2.8 KiB
C
/*
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* Copyright (c) 2004, 2005 Voltaire, Inc. All rights reserved.
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* Copyright (c) 2002-2005 Mellanox Technologies LTD. All rights reserved.
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* Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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#if HAVE_CONFIG_H
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# include <config.h>
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#endif /* HAVE_CONFIG_H */
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#include <complib/cl_spinlock.h>
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void cl_spinlock_construct(IN cl_spinlock_t * const p_spinlock)
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{
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CL_ASSERT(p_spinlock);
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p_spinlock->state = CL_UNINITIALIZED;
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}
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cl_status_t cl_spinlock_init(IN cl_spinlock_t * const p_spinlock)
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{
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CL_ASSERT(p_spinlock);
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cl_spinlock_construct(p_spinlock);
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/* Initialize with pthread_mutexattr_t = NULL */
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if (pthread_mutex_init(&p_spinlock->mutex, NULL))
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return (CL_ERROR);
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p_spinlock->state = CL_INITIALIZED;
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return (CL_SUCCESS);
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}
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void cl_spinlock_destroy(IN cl_spinlock_t * const p_spinlock)
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{
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CL_ASSERT(p_spinlock);
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CL_ASSERT(cl_is_state_valid(p_spinlock->state));
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if (p_spinlock->state == CL_INITIALIZED) {
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p_spinlock->state = CL_UNINITIALIZED;
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pthread_mutex_lock(&p_spinlock->mutex);
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pthread_mutex_unlock(&p_spinlock->mutex);
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pthread_mutex_destroy(&p_spinlock->mutex);
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}
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p_spinlock->state = CL_UNINITIALIZED;
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}
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void cl_spinlock_acquire(IN cl_spinlock_t * const p_spinlock)
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{
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CL_ASSERT(p_spinlock);
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CL_ASSERT(p_spinlock->state == CL_INITIALIZED);
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pthread_mutex_lock(&p_spinlock->mutex);
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}
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void cl_spinlock_release(IN cl_spinlock_t * const p_spinlock)
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{
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CL_ASSERT(p_spinlock);
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CL_ASSERT(p_spinlock->state == CL_INITIALIZED);
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pthread_mutex_unlock(&p_spinlock->mutex);
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}
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