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    • rafaelw@chromium.org's avatar
      V8 Microtask Queue & API · 6b5a4cde
      rafaelw@chromium.org authored 
      This patch generalizes Object.observe callbacks and promise resolution into a FIFO queue called a "microtask queue".

It also exposes new V8 API which exposes the microtask queue to the embedder. In particular, it allows the embedder to

-schedule a microtask (EnqueueExternalMicrotask)
-run the microtask queue (RunMicrotasks)
-control whether the microtask queue is run automatically within V8 when the last script exits (SetAutorunMicrotasks).

R=dcarney@chromium.org, rossberg@chromium.org, dcarney, rossberg, svenpanne
BUG=

Review URL: https://codereview.chromium.org/154283002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19344 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
      6b5a4cde
  13. 17 Jan, 2014 1 commit
  15. 20 Dec, 2013 1 commit
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  19. 27 Nov, 2013 1 commit
  21. 22 Nov, 2013 1 commit
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  25. 19 Nov, 2013 4 commits
  27. 08 Nov, 2013 1 commit
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  31. 02 Oct, 2013 1 commit
  33. 01 Oct, 2013 1 commit
  35. 30 Sep, 2013 1 commit
  37. 10 Sep, 2013 1 commit
    • bmeurer@chromium.org's avatar
      Introduce a RandonNumberGenerator class. Refactor the random/private_random... · eb381b94
      bmeurer@chromium.org authored 
      Introduce a RandonNumberGenerator class. Refactor the random/private_random uses in Isolate/Context.

The RandomNumberGenerator is a pseudorandom number generator
with 48-bit state. It is properly seeded using either

(1) the --random-seed if specified, or
(2) the entropy_source function if configured, or
(3) /dev/urandom if available, or
(4) falls back to Time and TimeTicks based seeding.

Each Isolate now contains a RandomNumberGenerator, which replaces
the previous private_random_seed.

Every native context still has its own random_seed. But this random
seed is now properly initialized during bootstrapping,
instead of on-demand initialization. This will allow us to cleanup
and speedup the HRandom implementation quite a lot (this is delayed
for a followup CL)!

Also stop messing with the system rand()/random(), which should
not be done from a library anyway! We probably re-seeded the
libc rand()/random() after the application (i.e. Chrome) already
seeded it (with better entropy than what we used).

Another followup CL will replace the use of the per-isolate
random number generator for the address randomization and
thereby get rid of the Isolate::UncheckedCurrent() usage in
the platform code.

TEST=cctest/test-random-number-generator,cctest/test-random
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/23548024

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16612 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
      eb381b94
  39. 06 Sep, 2013 2 commits
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  57. 19 Jun, 2013 1 commit