Commit 02e7f1a4 authored by Hiroshi Yamauchi's avatar Hiroshi Yamauchi
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Fix a deadlock between thread flip and suspend request. 

See 31683379#9 for the deadlock scenario.

Make ModifySuspendCount(+1) retry if the thread flip function is set.

Bug: 31683379
Bug: 12687968
Test: test-art, N9 libartd boot, Ritz EAAC with CC.
Test: 129-GetThreadId with gcstress and CC.
Change-Id: Id5cdfcd90a08a2ff497f9f0e2842fa4c613549bc
parent d1224dce
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