door_return man page on SunOS

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door_return(3DOOR)	    Door Library Functions	    door_return(3DOOR)

NAME
       door_return - return from a door invocation

SYNOPSIS
       cc -mt [ flag ... ] file ... -ldoor  [ library ... ]
       #include <door.h>

       int   door_return(char	*data_ptr,   size_t   data_size,   door_desc_t
       *desc_ptr, uint_t num_desc);

DESCRIPTION
       The door_return() function returns from a door invocation.  It  returns
       control to the thread that issued the associated door_call() and blocks
       waiting for the next door invocation. See  door_call(3DOOR).   Results,
       if  any, from the door invocation are passed back  to the client in the
       buffers pointed to by data_ptr and desc_ptr. If there is not  a	client
       associated  with	 the  door_return(),  the  calling thread discards the
       results,	 releases  any	passed	descriptors  with   the	  DOOR_RELEASE
       attribute, and blocks waiting for the next door invocation.

RETURN VALUES
       Upon  successful completion, door_return() does not return to the call‐
       ing process. Otherwise, door_return() returns −1 to the calling process
       and sets errno to indicate the error.

ERRORS
       The   door_return()  function  fails and returns to the calling process
       if:

       E2BIG	       Arguments were too big for client.

       EFAULT	       The address of data_ptr or desc_ptr is invalid.

       EINVAL	       Invalid door_return() arguments were passed or a thread
		       is bound to a door that no longer exists.

       EMFILE	       The client has too many open descriptors.

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       ┌─────────────────────────────┬─────────────────────────────┐
       │      ATTRIBUTE TYPE	     │	    ATTRIBUTE VALUE	   │
       ├─────────────────────────────┼─────────────────────────────┤
       │Architecture		     │all			   │
       ├─────────────────────────────┼─────────────────────────────┤
       │Availability		     │SUNWcsu			   │
       ├─────────────────────────────┼─────────────────────────────┤
       │Interface Stability	     │Evolving			   │
       ├─────────────────────────────┼─────────────────────────────┤
       │MT-Level		     │Safe			   │
       └─────────────────────────────┴─────────────────────────────┘

SEE ALSO
       door_call(3DOOR),libdoor(3LIB), attributes(5)

SunOS 5.10			  5 Feb 2001		    door_return(3DOOR)
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