Undocumented functions of NTDLL

2OO1, 1O February



NtOpenSemaphore
NtOpenSemaphore

NTSYSAPI 
NTSTATUS
NTAPI

NtOpenSemaphore(


  OUT PHANDLE             SemaphoreHandle,
  IN ACCESS_MASK          DesiredAccess,
  IN POBJECT_ATTRIBUTES   ObjectAttributes );



Function NtOpenSemaphore opens named Semaphore Object. This operation doesn't modify semaphore's internal counter.


  • SemaphoreHandle
    •     Result of call - pointer to HANDLE to Semaphore Object.
  • DesiredAccess
    •     Access rights, descripted in NtCreateSemaphore.
  • ObjectAttributes
    •     Pointer to OBJECT_ATTRIBUTES structure containing semaphore's name.


    Documented by:
    Tomasz Nowak



    Requirements:
    Library: ntdll.lib


    See also:
    NtCreateSemaphore