Use mutex in PostponeInterruptScope.
authoryangguo@chromium.org <yangguo@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Wed, 5 Feb 2014 11:28:55 +0000 (11:28 +0000)
committeryangguo@chromium.org <yangguo@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Wed, 5 Feb 2014 11:28:55 +0000 (11:28 +0000)
commit736e0a05f8e576464851c468620fa9b892adfd50
treef6ae9626687901f842fb534f34e703e4334a0444
parent7dc05b57fd43fbadee5f5c36483c3ab35c8089f4
Use mutex in PostponeInterruptScope.

To avoid race with e.g. StackGuard::RequestInstallCode called from another
thread when both access postpone_interrupts_nesting_.

R=mvstanton@chromium.org
BUG=290964
LOG=N

Review URL: https://codereview.chromium.org/138833006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19099 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
src/isolate.h