35 lines
732 B
C
35 lines
732 B
C
#ifndef TREE_SITTER_ATOMIC_H_
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#define TREE_SITTER_ATOMIC_H_
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#include <stddef.h>
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#include <stdint.h>
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#include <stdlib.h>
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static inline size_t atomic_load(const volatile size_t *p)
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{
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#ifdef __ATOMIC_RELAXED
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return __atomic_load_n(p, __ATOMIC_RELAXED);
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#else
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return __sync_fetch_and_add((volatile size_t *)p, 0);
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#endif
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}
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static inline uint32_t atomic_inc(volatile uint32_t *p)
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{
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#ifdef __ATOMIC_RELAXED
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return __atomic_add_fetch(p, 1U, __ATOMIC_SEQ_CST);
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#else
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return __sync_add_and_fetch(p, 1U);
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#endif
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}
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static inline uint32_t atomic_dec(volatile uint32_t *p)
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{
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#ifdef __ATOMIC_RELAXED
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return __atomic_sub_fetch(p, 1U, __ATOMIC_SEQ_CST);
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#else
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return __sync_sub_and_fetch(p, 1U);
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#endif
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}
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#endif // TREE_SITTER_ATOMIC_H_
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