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| author | Jason Evans <jasone@canonware.com> | 2016-10-11 05:15:10 (GMT) |
|---|---|---|
| committer | Jason Evans <jasone@canonware.com> | 2016-10-11 05:15:10 (GMT) |
| commit | 5f11fb7d43795e9e2f5d72c8a43a042baaee9b63 (patch) | |
| tree | 24e3b4aeb23578b483b46f9804d0a6545aac5a8b /src/nstime.c | |
| parent | ee0c74b77a24dc4fdaad2c950bcf621b6fa54095 (diff) | |
| download | jemalloc-5f11fb7d43795e9e2f5d72c8a43a042baaee9b63.zip jemalloc-5f11fb7d43795e9e2f5d72c8a43a042baaee9b63.tar.gz jemalloc-5f11fb7d43795e9e2f5d72c8a43a042baaee9b63.tar.bz2 | |
Do not advance decay epoch when time goes backwards.
Instead, move the epoch backward in time. Additionally, add
nstime_monotonic() and use it in debug builds to assert that time only
goes backward if nstime_update() is using a non-monotonic time source.
Diffstat (limited to 'src/nstime.c')
| -rw-r--r-- | src/nstime.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/nstime.c b/src/nstime.c index cfb1c8e..c420c88 100644 --- a/src/nstime.c +++ b/src/nstime.c @@ -98,6 +98,7 @@ nstime_divide(const nstime_t *time, const nstime_t *divisor) } #ifdef _WIN32 +# define NSTIME_MONOTONIC true static void nstime_get(nstime_t *time) { @@ -110,6 +111,7 @@ nstime_get(nstime_t *time) nstime_init(time, ticks_100ns * 100); } #elif JEMALLOC_HAVE_CLOCK_MONOTONIC_RAW +# define NSTIME_MONOTONIC true static void nstime_get(nstime_t *time) { @@ -119,6 +121,7 @@ nstime_get(nstime_t *time) nstime_init2(time, ts.tv_sec, ts.tv_nsec); } #elif JEMALLOC_HAVE_CLOCK_MONOTONIC +# define NSTIME_MONOTONIC true static void nstime_get(nstime_t *time) { @@ -128,6 +131,7 @@ nstime_get(nstime_t *time) nstime_init2(time, ts.tv_sec, ts.tv_nsec); } #elif JEMALLOC_HAVE_MACH_ABSOLUTE_TIME +# define NSTIME_MONOTONIC true static void nstime_get(nstime_t *time) { @@ -135,6 +139,7 @@ nstime_get(nstime_t *time) nstime_init(time, mach_absolute_time()); } #else +# define NSTIME_MONOTONIC false static void nstime_get(nstime_t *time) { @@ -146,6 +151,23 @@ nstime_get(nstime_t *time) #endif #ifdef JEMALLOC_JET +#undef nstime_monotonic +#define nstime_monotonic JEMALLOC_N(n_nstime_monotonic) +#endif +bool +nstime_monotonic(void) +{ + + return (NSTIME_MONOTONIC); +#undef NSTIME_MONOTONIC +} +#ifdef JEMALLOC_JET +#undef nstime_monotonic +#define nstime_monotonic JEMALLOC_N(nstime_monotonic) +nstime_monotonic_t *nstime_monotonic = JEMALLOC_N(n_nstime_monotonic); +#endif + +#ifdef JEMALLOC_JET #undef nstime_update #define nstime_update JEMALLOC_N(n_nstime_update) #endif |