From fb1a7dfcd5a6b86cd50ee0e77d6d5a5abd48dc8f Mon Sep 17 00:00:00 2001 From: "Michael I. Bushnell" Date: Wed, 14 Jun 1995 17:37:33 +0000 Subject: Initial revision --- libfshelp/fetch-control.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 libfshelp/fetch-control.c (limited to 'libfshelp/fetch-control.c') diff --git a/libfshelp/fetch-control.c b/libfshelp/fetch-control.c new file mode 100644 index 00000000..72bad1e3 --- /dev/null +++ b/libfshelp/fetch-control.c @@ -0,0 +1,32 @@ +/* + Copyright (C) 1995 Free Software Foundation, Inc. + Written by Michael I. Bushnell. + + This file is part of the GNU Hurd. + + The GNU Hurd 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. + + The GNU Hurd 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 "fshelp.h" + +error_t +fshelp_fetch_control (struct transbox *box, + mach_port_t *control) +{ + mutex_lock (&box->innerlock); /* cancellation point XXX */ + *control = box->active; + mach_port_mod_refs (mach_task_self (), *control, MACH_PORT_RIGHT_SEND, 1); + mutex_unlock (&box->innerlock); + return 0; +} -- cgit v1.2.3