ulrc (APIRET) - returns

Return Code.

DosOpenEventSem returns one of the following values:

• NO_ERROR
  
• ERROR_INVALID_HANDLE
  
• ERROR_NOT_ENOUGH_MEMORY
  87
  ERROR_INVALID_PARAMETER
  123
  INVALID_NAME
  187
  ERROR_SEM_NOT_FOUND
  291
  ERROR_TOO_MANY_OPENS
  For a full list of error codes, see Errors.