glibc/sysdeps/generic/mig-reply.c
1995-02-18 01:27:10 +00:00

54 lines
1.6 KiB
C

/* Copyright (C) 1992 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <mach.h>
/* These functions are called by MiG-generated code. */
static mach_port_t reply_port;
/* Called by MiG to get a reply port. */
mach_port_t
__mig_get_reply_port (void)
{
if (reply_port == MACH_PORT_NULL)
reply_port = __mach_reply_port ();
return reply_port;
}
/* Called by MiG to deallocate the reply port. */
void
__mig_dealloc_reply_port (void)
{
mach_port_t port = reply_port;
reply_port = MACH_PORT_NULL; /* So the mod_refs RPC won't use it. */
__mach_port_mod_refs (__mach_task_self (), port,
MACH_PORT_RIGHT_RECEIVE, -1);
}
/* Called at startup with CPROC == NULL. cthreads has a different version
of this function that is sometimes called with a `cproc_t' pointer. */
void
__mig_init (void *cproc)
{
if (cproc == 0)
reply_port = MACH_PORT_NULL;
}