diff options
Diffstat (limited to 'deps/jemalloc/src/nstime.c')
-rw-r--r-- | deps/jemalloc/src/nstime.c | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/deps/jemalloc/src/nstime.c b/deps/jemalloc/src/nstime.c deleted file mode 100644 index 71db35396..000000000 --- a/deps/jemalloc/src/nstime.c +++ /dev/null @@ -1,170 +0,0 @@ -#include "jemalloc/internal/jemalloc_preamble.h" -#include "jemalloc/internal/jemalloc_internal_includes.h" - -#include "jemalloc/internal/nstime.h" - -#include "jemalloc/internal/assert.h" - -#define BILLION UINT64_C(1000000000) -#define MILLION UINT64_C(1000000) - -void -nstime_init(nstime_t *time, uint64_t ns) { - time->ns = ns; -} - -void -nstime_init2(nstime_t *time, uint64_t sec, uint64_t nsec) { - time->ns = sec * BILLION + nsec; -} - -uint64_t -nstime_ns(const nstime_t *time) { - return time->ns; -} - -uint64_t -nstime_msec(const nstime_t *time) { - return time->ns / MILLION; -} - -uint64_t -nstime_sec(const nstime_t *time) { - return time->ns / BILLION; -} - -uint64_t -nstime_nsec(const nstime_t *time) { - return time->ns % BILLION; -} - -void -nstime_copy(nstime_t *time, const nstime_t *source) { - *time = *source; -} - -int -nstime_compare(const nstime_t *a, const nstime_t *b) { - return (a->ns > b->ns) - (a->ns < b->ns); -} - -void -nstime_add(nstime_t *time, const nstime_t *addend) { - assert(UINT64_MAX - time->ns >= addend->ns); - - time->ns += addend->ns; -} - -void -nstime_iadd(nstime_t *time, uint64_t addend) { - assert(UINT64_MAX - time->ns >= addend); - - time->ns += addend; -} - -void -nstime_subtract(nstime_t *time, const nstime_t *subtrahend) { - assert(nstime_compare(time, subtrahend) >= 0); - - time->ns -= subtrahend->ns; -} - -void -nstime_isubtract(nstime_t *time, uint64_t subtrahend) { - assert(time->ns >= subtrahend); - - time->ns -= subtrahend; -} - -void -nstime_imultiply(nstime_t *time, uint64_t multiplier) { - assert((((time->ns | multiplier) & (UINT64_MAX << (sizeof(uint64_t) << - 2))) == 0) || ((time->ns * multiplier) / multiplier == time->ns)); - - time->ns *= multiplier; -} - -void -nstime_idivide(nstime_t *time, uint64_t divisor) { - assert(divisor != 0); - - time->ns /= divisor; -} - -uint64_t -nstime_divide(const nstime_t *time, const nstime_t *divisor) { - assert(divisor->ns != 0); - - return time->ns / divisor->ns; -} - -#ifdef _WIN32 -# define NSTIME_MONOTONIC true -static void -nstime_get(nstime_t *time) { - FILETIME ft; - uint64_t ticks_100ns; - - GetSystemTimeAsFileTime(&ft); - ticks_100ns = (((uint64_t)ft.dwHighDateTime) << 32) | ft.dwLowDateTime; - - nstime_init(time, ticks_100ns * 100); -} -#elif defined(JEMALLOC_HAVE_CLOCK_MONOTONIC_COARSE) -# define NSTIME_MONOTONIC true -static void -nstime_get(nstime_t *time) { - struct timespec ts; - - clock_gettime(CLOCK_MONOTONIC_COARSE, &ts); - nstime_init2(time, ts.tv_sec, ts.tv_nsec); -} -#elif defined(JEMALLOC_HAVE_CLOCK_MONOTONIC) -# define NSTIME_MONOTONIC true -static void -nstime_get(nstime_t *time) { - struct timespec ts; - - clock_gettime(CLOCK_MONOTONIC, &ts); - nstime_init2(time, ts.tv_sec, ts.tv_nsec); -} -#elif defined(JEMALLOC_HAVE_MACH_ABSOLUTE_TIME) -# define NSTIME_MONOTONIC true -static void -nstime_get(nstime_t *time) { - nstime_init(time, mach_absolute_time()); -} -#else -# define NSTIME_MONOTONIC false -static void -nstime_get(nstime_t *time) { - struct timeval tv; - - gettimeofday(&tv, NULL); - nstime_init2(time, tv.tv_sec, tv.tv_usec * 1000); -} -#endif - -static bool -nstime_monotonic_impl(void) { - return NSTIME_MONOTONIC; -#undef NSTIME_MONOTONIC -} -nstime_monotonic_t *JET_MUTABLE nstime_monotonic = nstime_monotonic_impl; - -static bool -nstime_update_impl(nstime_t *time) { - nstime_t old_time; - - nstime_copy(&old_time, time); - nstime_get(time); - - /* Handle non-monotonic clocks. */ - if (unlikely(nstime_compare(&old_time, time) > 0)) { - nstime_copy(time, &old_time); - return true; - } - - return false; -} -nstime_update_t *JET_MUTABLE nstime_update = nstime_update_impl; |