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/* interrupt_operation
Copyright (C) 1995 Free Software Foundation, Inc.
Written by Miles Bader <miles@gnu.ai.mit.edu>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2, or (at
your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "ports.h"
/* Cause a pending request on this object to immediately return. The
exact semantics are dependent on the specific object. */
error_t
ports_S_interrupt_operation (mach_port_t port)
{
struct port_info *pi = ports_lookup_port (0, port, 0);
if (!pi)
return EOPNOTSUPP;
ports_interrupt_rpc (pi);
ports_port_deref (pi);
return 0;
}
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