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  • 1 commit
  • 3 files changed
  • 1 contributor

Commits on Jun 10, 2015

  1. V8: avoid deadlock when profiling is active 

    A deadlock happens when sampler initiated by SIGPROF tries to lock
the thread and the thread is already locked by the same thread. As
a result, other thread involved in sampling process hangs. The
patch adds a check for thread lock before continuing sampler
operation.

The fix has been tested on a sample app under load with and without
profiling turned on.

Fixes issue #14576 and specifically the duplicate issue #25295

Reviewed-By: Julien Gilli <julien.gilli@joyent.com>
PR-URL: #25309
    @dmelikyan
    dmelikyan authored and Julien Gilli committed Jun 10, 2015
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