f3661487da
Multiple components may use the settings subsystem, so ensure settings_subsys_init() is thread safe. Signed-off-by: Stig Bjørlykke <stig.bjorlykke@nordicsemi.no>
47 lines
741 B
C
47 lines
741 B
C
/*
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* Copyright (c) 2018 Nordic Semiconductor ASA
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* Copyright (c) 2015 Runtime Inc
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <string.h>
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#include <stdio.h>
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#include <stdbool.h>
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#include <errno.h>
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#include <zephyr/settings/settings.h>
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#include "settings/settings_file.h"
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#include <zephyr/kernel.h>
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extern struct k_mutex settings_lock;
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bool settings_subsys_initialized;
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void settings_init(void);
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int settings_backend_init(void);
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int settings_subsys_init(void)
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{
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int err = 0;
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k_mutex_lock(&settings_lock, K_FOREVER);
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if (!settings_subsys_initialized) {
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settings_init();
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err = settings_backend_init();
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if (!err) {
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settings_subsys_initialized = true;
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}
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}
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k_mutex_unlock(&settings_lock);
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return err;
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}
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