diff options
Diffstat (limited to 'deps/jemalloc/include/jemalloc/internal/spin.h')
-rw-r--r-- | deps/jemalloc/include/jemalloc/internal/spin.h | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/deps/jemalloc/include/jemalloc/internal/spin.h b/deps/jemalloc/include/jemalloc/internal/spin.h deleted file mode 100644 index 22804c687..000000000 --- a/deps/jemalloc/include/jemalloc/internal/spin.h +++ /dev/null @@ -1,40 +0,0 @@ -#ifndef JEMALLOC_INTERNAL_SPIN_H -#define JEMALLOC_INTERNAL_SPIN_H - -#define SPIN_INITIALIZER {0U} - -typedef struct { - unsigned iteration; -} spin_t; - -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++) { - spin_cpu_spinwait(); - } - spin->iteration++; - } else { -#ifdef _WIN32 - SwitchToThread(); -#else - sched_yield(); -#endif - } -} - -#undef SPIN_INLINE - -#endif /* JEMALLOC_INTERNAL_SPIN_H */ |