OVMS3/OVMS.V3/components/duktape/src-separate/duk_bi_performance.c

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