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Refactor time_* into nstime_*.

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Use a single uint64_t in nstime_t to store nanoseconds rather than using
struct timespec.  This reduces fragility around conversions between long
and uint64_t, especially missing casts that only cause problems on
32-bit platforms.
This commit is contained in:
Jason Evans
2016-02-21 11:25:02 -08:00
parent 788d29d397
commit 9bad079039
17 changed files with 526 additions and 557 deletions
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48
include/jemalloc/internal/nstime.h Normal file
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@@ -0,0 +1,48 @@
/******************************************************************************/
#ifdef JEMALLOC_H_TYPES
#define JEMALLOC_CLOCK_GETTIME defined(_POSIX_MONOTONIC_CLOCK) \
&& _POSIX_MONOTONIC_CLOCK >= 0
typedef struct nstime_s nstime_t;
/* Maximum supported number of seconds (~584 years). */
#define NSTIME_SEC_MAX 18446744072
#endif /* JEMALLOC_H_TYPES */
/******************************************************************************/
#ifdef JEMALLOC_H_STRUCTS
struct nstime_s {
uint64_t ns;
};
#endif /* JEMALLOC_H_STRUCTS */
/******************************************************************************/
#ifdef JEMALLOC_H_EXTERNS
void nstime_init(nstime_t *time, uint64_t ns);
void nstime_init2(nstime_t *time, uint64_t sec, uint64_t nsec);
uint64_t nstime_ns(const nstime_t *time);
uint64_t nstime_sec(const nstime_t *time);
uint64_t nstime_nsec(const nstime_t *time);
void nstime_copy(nstime_t *time, const nstime_t *source);
int nstime_compare(const nstime_t *a, const nstime_t *b);
void nstime_add(nstime_t *time, const nstime_t *addend);
void nstime_subtract(nstime_t *time, const nstime_t *subtrahend);
void nstime_imultiply(nstime_t *time, uint64_t multiplier);
void nstime_idivide(nstime_t *time, uint64_t divisor);
uint64_t nstime_divide(const nstime_t *time, const nstime_t *divisor);
#ifdef JEMALLOC_JET
typedef bool (nstime_update_t)(nstime_t *);
extern nstime_update_t *nstime_update;
#else
bool nstime_update(nstime_t *time);
#endif
#endif /* JEMALLOC_H_EXTERNS */
/******************************************************************************/
#ifdef JEMALLOC_H_INLINES
#endif /* JEMALLOC_H_INLINES */
/******************************************************************************/