Answer / venkatesh

Windows supports 4 types of synchronization objects that
can be used to synchronize the actions performed by
concurrently used threads.
1) Critical Sections:
2) Mutexes
3) Events
4) Semaphores.

Answer / abhijit

sorry... i misread the question... please disregard my
previous answer

Answer / ctharam

They are 4 kinds of synchronization objects in MFC.
1) Critical Section
2) Semaphore
3) Mutex
4) Event


MFC provides the following synchronization classes to protect shared resources.

1) CCriticalSection
2) CSemaphore
3) CMutex
4) CEvent

Answer / xxxx

Mutex, Semaphore, CriticalSection

Answer / abhijit

also Waitable timers

Answer / ratnesh sachan

Synchronization objects are variables in memory that you
access just like data. Threads in different processes can
communicate with each other through synchronization objects
placed in threads in different processes are generally
invisible to each other.
1:-Mutex Locks
2:-Condition Variables
3:-Read Write Locks
4:-Semaphones

what is message Testing ?

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is there any class which is not derived from Cobject

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