oskit/oskit-20020317/threads/osenv_safe.c

130 lines
3.4 KiB
C
Executable File

/*
* Copyright (c) 1996, 1998 University of Utah and the Flux Group.
* All rights reserved.
*
* This file is part of the Flux OSKit. The OSKit is free software, also known
* as "open source;" you can redistribute it and/or modify it under the terms
* of the GNU General Public License (GPL), version 2, as published by the Free
* Software Foundation (FSF). To explore alternate licensing terms, contact
* the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
*
* The OSKit 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 GPL for more details. You should have
* received a copy of the GPL along with the OSKit; see the file COPYING. If
* not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
*/
/*
* The pthread module implements the osenv_ functions.
* It will also register an instantiation of the osenv_safe interfaces
* that allows other components to request adaptor to create safe versions
* of osenv_ based COM interfaces
*/
#include "pthread_internal.h"
#include <oskit/com.h>
#include <oskit/dev/osenv_safe.h>
#include <oskit/com/wrapper.h>
#include <oskit/c/string.h>
/* the COM object */
static osenv_safe_t safeinterfaces;
static OSKIT_COMDECL
safeinterface_query(osenv_safe_t *intf,
const oskit_iid_t *iid, void **out_ihandle)
{
if (memcmp(iid, &oskit_iunknown_iid, sizeof(*iid)) == 0 ||
memcmp(iid, &osenv_safe_iid, sizeof(*iid)) == 0) {
*out_ihandle = intf;
return 0;
}
*out_ihandle = NULL;
return OSKIT_E_NOINTERFACE;
};
static OSKIT_COMDECL_U
safeinterface_addref(osenv_safe_t *intf)
{
/* No reference counting */
return 1;
}
static OSKIT_COMDECL_U
safeinterface_release(osenv_safe_t *intf)
{
/* No reference counting */
return 1;
}
static OSKIT_COMDECL
safeinterface_stream(osenv_safe_t *intf,
struct oskit_stream *in_interface,
struct oskit_stream **out_interface)
{
return oskit_wrap_stream(in_interface,
(void (*)(void *))osenv_process_lock,
(void (*)(void *))osenv_process_unlock,
0,
out_interface);
}
static OSKIT_COMDECL
safeinterface_asyncio(osenv_safe_t *intf,
struct oskit_asyncio *in_interface,
struct oskit_asyncio **out_interface)
{
return oskit_wrap_asyncio(in_interface,
(void (*)(void *))osenv_process_lock,
(void (*)(void *))osenv_process_unlock,
0,
out_interface);
}
static OSKIT_COMDECL
safeinterface_socket(osenv_safe_t *intf,
struct oskit_socket *in_interface,
struct oskit_socket **out_interface)
{
return oskit_wrap_socket(in_interface,
(void (*)(void *))osenv_process_lock,
(void (*)(void *))osenv_process_unlock,
0,
out_interface);
}
static OSKIT_COMDECL
safeinterface_sockio(osenv_safe_t *intf,
struct oskit_socket *in_interface,
struct oskit_socket **out_interface)
{
return oskit_wrap_sockio(in_interface,
(void (*)(void *))osenv_process_lock,
(void (*)(void *))osenv_process_unlock,
0,
out_interface);
}
static struct osenv_safe_ops safeinterface_ops = {
safeinterface_query,
safeinterface_addref,
safeinterface_release,
safeinterface_stream,
safeinterface_asyncio,
safeinterface_socket,
safeinterface_sockio,
};
/*
* Create and register the pthread interface with COM database.
*/
oskit_error_t
pthread_register_interface(void)
{
safeinterfaces.ops = &safeinterface_ops;
return oskit_register(&osenv_safe_iid, (void *) &safeinterfaces);
}