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https://github.com/OpenAMP/libmetal.git
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Xiang Xiao
6fb9f4565f
to allow to invoke metal_init and metal_finish multiple times Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
42 lines
828 B
C
42 lines
828 B
C
/*
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* Copyright (c) 2015, Xilinx Inc. and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <string.h>
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#include <metal/sys.h>
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int metal_init(const struct metal_init_params *params)
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{
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int error = 0;
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if (_metal.common.ref_count++ != 0)
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return 0;
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memset(&_metal, 0, sizeof(_metal));
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_metal.common.log_handler = params->log_handler;
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_metal.common.log_level = params->log_level;
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metal_list_init(&_metal.common.bus_list);
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metal_list_init(&_metal.common.generic_shmem_list);
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metal_list_init(&_metal.common.generic_device_list);
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error = metal_sys_init(params);
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if (error)
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return error;
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++_metal.common.ref_count;
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return error;
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}
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void metal_finish(void)
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{
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if (--_metal.common.ref_count != 0)
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return;
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metal_sys_finish();
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memset(&_metal, 0, sizeof(_metal));
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}
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