| 
    libstdc++
    
   | 
 
Public Types | |
| typedef _Mutex | mutex_type | 
Public Member Functions | |
| lock_guard (mutex_type &__m) | |
| lock_guard (mutex_type &__m, adopt_lock_t) | |
| lock_guard (const lock_guard &)=delete | |
| lock_guard & | operator= (const lock_guard &)=delete | 
Scoped lock idiom.