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| author | Joerg Koenig <jck@techsat.com> | 2018-01-19 10:53:15 (GMT) |
|---|---|---|
| committer | Joerg Koenig <jck@techsat.com> | 2018-01-19 10:53:15 (GMT) |
| commit | aa502047980c13cdbe5a1adb7f024199c367254d (patch) | |
| tree | 8cc6a214bde51a42beb77ac92fe0d00dd44c0c90 /include/jemalloc/internal/spin.h | |
| parent | 3f5049340e66c6929c3270f7359617f62e053b11 (diff) | |
| parent | f78d4ca3fbff6cab0c704c787706a53ddafcbe13 (diff) | |
| download | jemalloc-master.zip jemalloc-master.tar.gz jemalloc-master.tar.bz2 | |
Change-Id: I44881ca21f4710f7ad5154a45c4a7204ae71c84c
Diffstat (limited to 'include/jemalloc/internal/spin.h')
| -rw-r--r-- | include/jemalloc/internal/spin.h | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/include/jemalloc/internal/spin.h b/include/jemalloc/internal/spin.h index e2afc98..22804c6 100644 --- a/include/jemalloc/internal/spin.h +++ b/include/jemalloc/internal/spin.h @@ -1,25 +1,29 @@ #ifndef JEMALLOC_INTERNAL_SPIN_H #define JEMALLOC_INTERNAL_SPIN_H -#ifdef JEMALLOC_SPIN_C_ -# define SPIN_INLINE extern inline -#else -# define SPIN_INLINE inline -#endif - #define SPIN_INITIALIZER {0U} typedef struct { unsigned iteration; } spin_t; -SPIN_INLINE void +static inline void +spin_cpu_spinwait() { +# if HAVE_CPU_SPINWAIT + CPU_SPINWAIT; +# else + volatile int x = 0; + x = x; +# endif +} + +static inline void spin_adaptive(spin_t *spin) { volatile uint32_t i; if (spin->iteration < 5) { for (i = 0; i < (1U << spin->iteration); i++) { - CPU_SPINWAIT; + spin_cpu_spinwait(); } spin->iteration++; } else { |