diff options
Diffstat (limited to 'runtime/base/mutex.h')
| -rw-r--r-- | runtime/base/mutex.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/runtime/base/mutex.h b/runtime/base/mutex.h index 522692e6f3..68b450a1b9 100644 --- a/runtime/base/mutex.h +++ b/runtime/base/mutex.h @@ -54,6 +54,7 @@ class Thread; // [1] http://www.drdobbs.com/parallel/use-lock-hierarchies-to-avoid-deadlock/204801163 enum LockLevel { kLoggingLock = 0, + kMemMapsLock, kUnexpectedSignalLock, kThreadSuspendCountLock, kAbortLock, @@ -573,6 +574,9 @@ class Locks { // One unexpected signal at a time lock. static Mutex* unexpected_signal_lock_ ACQUIRED_AFTER(thread_suspend_count_lock_); + // Guards the maps in mem_map. + static Mutex* mem_maps_lock_ ACQUIRED_AFTER(unexpected_signal_lock_); + // Have an exclusive logging thread. static Mutex* logging_lock_ ACQUIRED_AFTER(unexpected_signal_lock_); }; |