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authorNicolas Lacasse <nlacasse@google.com>2019-07-29 17:11:27 -0700
committergVisor bot <gvisor-bot@google.com>2019-07-29 17:12:50 -0700
commit5fdb945a0dc7a05329f97dc1ca193baf1b3448f3 (patch)
treed44ade1ae6e44aae25463e69e0cbb5c2c6d820de /pkg/sentry/time/tsc_arm64.s
parentf0507e1db1574ff165000fa5e34b651413f37aae (diff)
Rate limit the unimplemented syscall event handler.
This introduces two new types of Emitters: 1. MultiEmitter, which will forward events to other registered Emitters, and 2. RateLimitedEmitter, which will forward events to a wrapped Emitter, subject to given rate limits. The methods in the eventchannel package itself act like a multiEmitter, but is not actually an Emitter. Now we have a DefaultEmitter, and the methods in eventchannel simply forward calls to the DefaultEmitter. The unimplemented syscall handler now uses a RateLimetedEmitter that wraps the DefaultEmitter. PiperOrigin-RevId: 260612770
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