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Handle multiple calls to DBImpl::PauseBackgroundWork() and DBImpl::ContinueBackgroundWork() 

Summary: Handle multiple calls to DBImpl::PauseBackgroundWork() and DBImpl::ContinueBackgroundWork()

Test Plan: rocksdb.information_schema handles this case.

Reviewers: igor

Reviewed By: igor

Subscribers: hermanlee4, jkedgar, dhruba

Differential Revision: https://reviews.facebook.net/D50781
This commit is contained in:
Reid Horuff 2015-11-16 12:34:55 -08:00
parent 65a042921f
commit 3381e2c3e7
1 changed files with 3 additions and 0 deletions
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3
db/db_impl.cc
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@ -1850,6 +1850,9 @@ Status DBImpl::PauseBackgroundWork() {
Status DBImpl::ContinueBackgroundWork() {
InstrumentedMutexLock guard_lock(&mutex_);
if (bg_work_paused_ == 0) {
return Status::InvalidArgument();
}
assert(bg_work_paused_ > 0);
bg_work_paused_--;
if (bg_work_paused_ == 0) {