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db/DatabaseLock: add ScopeDatabaseLock::unlock()

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This commit is contained in:
Max Kellermann 2015-12-15 23:33:07 +01:00
parent aeccccb33d
commit 7dd3b72a8c
1 changed files with 13 additions and 0 deletions
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13
src/db/DatabaseLock.hxx
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@ -84,13 +84,26 @@ db_unlock(void)
} }
class ScopeDatabaseLock { class ScopeDatabaseLock {
bool locked = true;
public: public:
ScopeDatabaseLock() { ScopeDatabaseLock() {
db_lock(); db_lock();
} }
~ScopeDatabaseLock() { ~ScopeDatabaseLock() {
if (locked)
db_unlock();
}
/**
* Unlock the mutex now, making the destructor a no-op.
*/
void unlock() {
assert(locked);
db_unlock(); db_unlock();
locked = false;
} }
}; };