31 lines
572 B
C
31 lines
572 B
C
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#ifndef JEMALLOC_INTERNAL_SPIN_INLINES_H
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#define JEMALLOC_INTERNAL_SPIN_INLINES_H
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#ifndef JEMALLOC_ENABLE_INLINE
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void spin_init(spin_t *spin);
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void spin_adaptive(spin_t *spin);
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#endif
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#if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_SPIN_C_))
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JEMALLOC_INLINE void
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spin_init(spin_t *spin)
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{
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spin->iteration = 0;
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}
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JEMALLOC_INLINE void
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spin_adaptive(spin_t *spin)
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{
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volatile uint64_t i;
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for (i = 0; i < (KQU(1) << spin->iteration); i++)
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CPU_SPINWAIT;
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if (spin->iteration < 63)
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spin->iteration++;
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}
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#endif
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#endif /* JEMALLOC_INTERNAL_SPIN_INLINES_H */
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