Return value of WaitForSingleObject

WaitForSingleObject  The return value of has the following three cases ：
WAIT_OBJECT_0： The object you are waiting for （ Like threads 、 mutex ） The normal execution of has been completed or released .
WAIT_TIMEOUT： Indicates that the object you are waiting for is not finished yet , from  WaitForSingleObject  The set time has timed out .
WAIT_ABANDONED： This is when the waiting object is a mutex , When the mutex object is not released by the thread that occupies it , But when the thread that occupies it has been terminated prematurely ,WaitForSingleObject  This value is returned .