Add a SafepointMutexLocker class so that it is possible to have scopes inside the MutexLocker which…

Add a SafepointMutexLocker class so that it is possible to have scopes inside the MutexLocker which could potentially trigger safepoints.

R=srdjan@google.com

Committed: https://github.com/dart-lang/sdk/commit/5322692506e0f1af4e5c83ea8ae994498342466a

[siva, 2016-02-19 21:22:51]

asiva@google.com changed reviewers:
+ srdjan@google.com

[srdjan, 2016-02-19 21:38:05]

lgtm

https://codereview.chromium.org/1717803002/diff/40001/runtime/vm/isolate.h
File runtime/vm/isolate.h (right):

https://codereview.chromium.org/1717803002/diff/40001/runtime/vm/isolate.h#ne...
runtime/vm/isolate.h:783: Mutex* symbols_mutex_;  // Protects concurrent access
to teh symbol table.
s/teh/the/

[siva, 2016-02-19 22:22:32]

asiva@google.com changed reviewers:
+ iposva@google.com

[siva, 2016-02-20 00:03:54]

Description was changed from

==========
Add a SafepointMutexLocker class so that it is possible to have scopes inside
the MutexLocker which could potentially trigger safepoints.
==========

to

==========
Add a SafepointMutexLocker class so that it is possible to have scopes inside
the MutexLocker which could potentially trigger safepoints.

R=srdjan@google.com

Committed:
https://github.com/dart-lang/sdk/commit/5322692506e0f1af4e5c83ea8ae994498342466a
==========

[siva, 2016-02-20 00:03:56]

Committed patchset #3 (id:40001) manually as
5322692506e0f1af4e5c83ea8ae994498342466a (presubmit successful).