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31 lines
1008 B
31 lines
1008 B
/*
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* High resolution time API (performance.now() et al)
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*
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* API specification: https://encoding.spec.whatwg.org/#ap://www.w3.org/TR/hr-time/
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*/
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#include "duk_internal.h"
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#if defined(DUK_USE_PERFORMANCE_BUILTIN)
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DUK_INTERNAL duk_ret_t duk_bi_performance_now(duk_hthread *thr) {
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/* From API spec:
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* The DOMHighResTimeStamp type is used to store a time value in
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* milliseconds, measured relative from the time origin, global
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* monotonic clock, or a time value that represents a duration
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* between two DOMHighResTimeStamp's.
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*/
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duk_push_number(thr, duk_time_get_monotonic_time(thr));
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return 1;
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}
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#if 0 /* Missing until semantics decided. */
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DUK_INTERNAL duk_ret_t duk_bi_performance_timeorigin_getter(duk_hthread *thr) {
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/* No decision yet how to handle timeOrigins, e.g. should one be
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* initialized per heap, or per global object set. See
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* https://www.w3.org/TR/hr-time/#time-origin.
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*/
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duk_push_uint(thr, 0);
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return 1;
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}
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#endif /* 0 */
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#endif /* DUK_USE_PERFORMANCE_BUILTIN */
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