diff options
Diffstat (limited to 'libports')
-rw-r--r-- | libports/interrupt-operation.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/libports/interrupt-operation.c b/libports/interrupt-operation.c new file mode 100644 index 00000000..532a3f5e --- /dev/null +++ b/libports/interrupt-operation.c @@ -0,0 +1,34 @@ +/* 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; +} |