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/* $Xorg: ThreadsI.h,v 1.4 2001/02/09 02:03:59 xorgcvs Exp $ */
/************************************************************
Copyright 1993 by Sun Microsystems, Inc. Mountain View, CA.
All Rights Reserved
Permission to use, copy, modify, and distribute this
software and its documentation for any purpose and without
fee is hereby granted, provided that the above copyright no-
tice appear in all copies and that both that copyright no-
tice and this permission notice appear in supporting docu-
mentation, and that the name Sun not be used in advertising
or publicity pertaining to distribution of the software
without specific prior written permission. Sun makes no
representations about the suitability of this software for
any purpose. It is provided "as is" without any express or
implied warranty.
SUN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT-
NESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SUN BE LI-
ABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH
THE USE OR PERFORMANCE OF THIS SOFTWARE.
********************************************************/
/*
Copyright 1994, 1998 The Open Group
Permission to use, copy, modify, distribute, and sell this software and its
documentation for any purpose is hereby granted without fee, provided that
the above copyright notice appear in all copies and that both that
copyright notice and this permission notice appear in supporting
documentation.
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Except as contained in this notice, the name of The Open Group shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from The Open Group.
*/
#ifdef XTHREADS
typedef struct _LockRec *LockPtr;
typedef void (*ThreadAppProc)(
#if NeedFunctionPrototypes
XtAppContext /* app */
#endif
);
typedef void (*ThreadAppYieldLockProc)(
#if NeedFunctionPrototypes
XtAppContext, /* app */
Boolean*, /* push_thread */
Boolean*, /* pushed_thread */
int* /* level */
#endif
);
typedef void (*ThreadAppRestoreLockProc)(
#if NeedFunctionPrototypes
XtAppContext /* app */,
int, /* level */
Boolean* /* pushed_thread */
#endif
);
extern void (*_XtProcessLock)(
#if NeedFunctionPrototypes
void
#endif
);
extern void (*_XtProcessUnlock)(
#if NeedFunctionPrototypes
void
#endif
);
extern void (*_XtInitAppLock)(
#if NeedFunctionPrototypes
XtAppContext /* app */
#endif
);
#define INIT_APP_LOCK(app) if(_XtInitAppLock) (*_XtInitAppLock)(app)
#define FREE_APP_LOCK(app) if(app && app->free_lock)(*app->free_lock)(app)
#define LOCK_PROCESS if(_XtProcessLock)(*_XtProcessLock)()
#define UNLOCK_PROCESS if(_XtProcessUnlock)(*_XtProcessUnlock)()
#define LOCK_APP(app) if(app && app->lock)(*app->lock)(app)
#define UNLOCK_APP(app) if(app && app->unlock)(*app->unlock)(app)
#define YIELD_APP_LOCK(app,push,pushed,level)\
if(app && app->yield_lock) (*app->yield_lock)(app,push,pushed,level)
#define RESTORE_APP_LOCK(app,level,pushed)\
if(app && app->restore_lock) (*app->restore_lock)(app,level,pushed)
#define WIDGET_TO_APPCON(w) \
XtAppContext app = (w && _XtProcessLock ? \
XtWidgetToApplicationContext(w) : NULL)
#define DPY_TO_APPCON(d) \
XtAppContext app = (_XtProcessLock ? XtDisplayToApplicationContext(d): 0)
#else /* defined(XTHREADS) */
#define LOCK_PROCESS
#define UNLOCK_PROCESS
#define LOCK_APP(app)
#define UNLOCK_APP(app)
#define INIT_APP_LOCK(app)
#define FREE_APP_LOCK(app)
#define WIDGET_TO_APPCON(w)
#define DPY_TO_APPCON(d)
#endif /* !defined(XTHREADS) */
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