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[atomic] add stdc atomic detection. (#7536)

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This commit is contained in:
Bernard Xiong
2023-05-20 23:41:29 +08:00
committed by GitHub
parent 1e5dc5509e
commit 4b4c3c85f2
7 changed files with 68 additions and 38 deletions
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21
include/rtdef.h
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@@ -48,6 +48,7 @@
* 2022-09-12 Meco Man define rt_ssize_t
* 2022-12-20 Meco Man add const name for rt_object
* 2023-04-01 Chushicheng change version number to v5.0.1
* 2023-05-20 Bernard add stdc atomic detection.
*/
#ifndef __RT_DEF_H__
@@ -126,12 +127,24 @@ typedef rt_base_t rt_flag_t; /**< Type for flags */
typedef rt_ubase_t rt_dev_t; /**< Type for device */
typedef rt_base_t rt_off_t; /**< Type for offset */
#if !defined(__cplusplus)
#if defined(RT_USING_STDC_ATOMIC)
#include <stdatomic.h>
typedef atomic_size_t rt_atomic_t;
#include <stdatomic.h>
typedef atomic_size_t rt_atomic_t;
#elif defined(RT_USING_HW_ATOMIC)
typedef volatile rt_base_t rt_atomic_t;
#else
typedef volatile rt_base_t rt_atomic_t;
#endif
/* To detect std atomic */
#if defined(RT_USING_LIBC) && defined(__GNUC__) && !defined(__STDC_NO_ATOMICS__)
#include <stdatomic.h>
typedef atomic_size_t rt_atomic_t;
#else
typedef volatile rt_base_t rt_atomic_t;
#endif /* __GNUC__ && !__STDC_NO_ATOMICS__ */
#endif /* RT_USING_STDC_ATOMIC */
#endif /* __cplusplus */
/* boolean type definitions */
#define RT_TRUE 1 /**< boolean true */