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48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
/*
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* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef __SYS_LOCK_H__
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#define __SYS_LOCK_H__
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#include <sys/types.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* newlib locks implementation for CONFIG_IDF_TARGET_LINUX, single threaded.
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* Note, currently this doesn't implement the functions required
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* when _RETARGETABLE_LOCKING is defined. They should be added.
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*/
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/* Compatibility definitions for legacy newlib locking functions */
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typedef int _lock_t;
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static inline void _lock_init(_lock_t *plock) {}
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static inline void _lock_init_recursive(_lock_t *plock) {}
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static inline void _lock_close(_lock_t *plock) {}
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static inline void _lock_close_recursive(_lock_t *plock) {}
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static inline void _lock_acquire(_lock_t *plock) {}
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static inline void _lock_acquire_recursive(_lock_t *plock) {}
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static inline int _lock_try_acquire(_lock_t *plock)
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{
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return 1;
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}
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static inline int _lock_try_acquire_recursive(_lock_t *plock)
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{
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return 1;
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}
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static inline void _lock_release(_lock_t *plock) {}
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static inline void _lock_release_recursive(_lock_t *plock) {}
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#ifdef __cplusplus
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}
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#endif
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#endif /* __SYS_LOCK_H__ */
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