05-23-2007
I disagree. This is referring to psuedo terminals not serial ports.
This is exactly the procedure that W. Richard Stevens describes in his UNIX Network Programming volume.
I think you need some error checking in the code to see what is failing.
What operating system is this for?
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LEARN ABOUT X11R4
libdoor
libdoor(3LIB) Interface Libraries libdoor(3LIB)
NAME
libdoor - doors library
SYNOPSIS
cc [ flag... ] file... -ldoor [ library... ]
#include <door.h>
DESCRIPTION
The functions in this library provide programmatic access to doors, including the ability to create and call them. Doors are a fast light-
weight RPC mechanism for secure control transfer between processes on the same machine. Conceptually, a thread in one process can issue a
call using a door descriptor that causes code to be executed in another process and then returns using the traditional synchronous RPC
model. Doors can also be used to pass data and file descriptors between processes.
INTERFACES
The shared object libdoor.so.1 provides the public interfaces defined below. See intro(3) for additional information on shared object
interfaces.
door_bind door_call
door_create door_cred
door_info door_return
door_revoke door_server_create
door_ucred door_unbind
FILES
/lib/libdoor.so.1 shared object
/lib/64/libdoor.so.1 64-bit shared object
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsl |
+-----------------------------+-----------------------------+
|Interface Stability |Evolving |
+-----------------------------+-----------------------------+
|MT-Level |Safe |
+-----------------------------+-----------------------------+
SEE ALSO
intro(3), door_bind(3DOOR), door_call(3DOOR), door_create(3DOOR), door_cred(3DOOR), door_info(3DOOR), door_return(3DOOR),
door_revoke(3DOOR), door_server_create(3DOOR), door_ucred(3DOOR), attributes(5)
Stevens, W. Richard. UNIX Network Programming, Volume 2: Interprocess Communications, 2/e. Tucson, Ariz.: Prentice Hall, 1999.
SunOS 5.10 24 Mar 2004 libdoor(3LIB)