DosSetNPipeSem - Parameters

hpipe (HPIPE) - input

The named-pipe handle to which a semaphore is to be attached.

The server handle is returned by DosCreateNPipe; the client handle is returned by DosOpen.

hsem (HSEM) - input

The handle of an event semaphore or a multiple-wait (muxwait) semaphore that is posted when the pipe (hpipe) has either data to be read or write space available.

key (ULONG) - input

A key value that distinguishes events arriving on different named pipes that are attached to the same semaphore.

ulrc (APIRET) - returns

Return Code.

DosSetNPipeSem returns one of the following values:

• NO_ERROR 1
  ERROR_INVALID_FUNCTION
  6
  ERROR_INVALID_HANDLE
  87
  ERROR_INVALID_PARAMETER
  187
  ERROR_SEM_NOT_FOUND
  230
  ERROR_BAD_PIPE
  233
  ERROR_PIPE_NOT_CONNECTED
  For a full list of error codes, see Errors.

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