include/X11/ThreadsI.h

0001 /************************************************************
0002
0003 Copyright (c) 1993, Oracle and/or its affiliates.
0004
0005 Permission is hereby granted, free of charge, to any person obtaining a
0006 copy of this software and associated documentation files (the "Software"),
0007 to deal in the Software without restriction, including without limitation
0008 the rights to use, copy, modify, merge, publish, distribute, sublicense,
0009 and/or sell copies of the Software, and to permit persons to whom the
0010 Software is furnished to do so, subject to the following conditions:
0011
0012 The above copyright notice and this permission notice (including the next
0013 paragraph) shall be included in all copies or substantial portions of the
0014 Software.
0015
0016 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0017 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0018 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
0019 THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
0020 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
0021 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
0022 DEALINGS IN THE SOFTWARE.
0023
0024 ********************************************************/
0025
0026 /*
0027
0028 Copyright 1994, 1998  The Open Group
0029
0030 Permission to use, copy, modify, distribute, and sell this software and its
0031 documentation for any purpose is hereby granted without fee, provided that
0032 the above copyright notice appear in all copies and that both that
0033 copyright notice and this permission notice appear in supporting
0034 documentation.
0035
0036 The above copyright notice and this permission notice shall be included in
0037 all copies or substantial portions of the Software.
0038
0039 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0040 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0041 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
0042 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
0043 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
0044 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
0045
0046 Except as contained in this notice, the name of The Open Group shall not be
0047 used in advertising or otherwise to promote the sale, use or other dealings
0048 in this Software without prior written authorization from The Open Group.
0049
0050 */
0051 /* $XFree86: xc/lib/Xt/ThreadsI.h,v 3.5 2001/12/14 19:56:31 dawes Exp $ */
0052
0053 #ifndef _XtThreadsI_h
0054 #define _XtThreadsI_h
0055
0056 #include <X11/XlibConf.h>
0057
0058 #ifdef XTHREADS
0059
0060 typedef struct _LockRec *LockPtr;
0061
0062 typedef void (*ThreadAppProc)(
0063     XtAppContext /* app */
0064 );
0065
0066 typedef void (*ThreadAppYieldLockProc)(
0067     XtAppContext, /* app */
0068     Boolean*, /* push_thread */
0069     Boolean*, /* pushed_thread */
0070     int* /* level */
0071 );
0072
0073 typedef void (*ThreadAppRestoreLockProc)(
0074     XtAppContext /* app */,
0075     int, /* level */
0076     Boolean* /* pushed_thread */
0077 );
0078
0079 _XFUNCPROTOBEGIN
0080
0081 extern void (*_XtProcessLock)(
0082     void
0083 );
0084
0085 extern void (*_XtProcessUnlock)(
0086     void
0087 );
0088
0089 extern void (*_XtInitAppLock)(
0090     XtAppContext /* app */
0091 );
0092
0093 _XFUNCPROTOEND
0094
0095 #define INIT_APP_LOCK(app) if(_XtInitAppLock) (*_XtInitAppLock)(app)
0096 #define FREE_APP_LOCK(app) if(app && app->free_lock)(*app->free_lock)(app)
0097
0098 #define LOCK_PROCESS if(_XtProcessLock)(*_XtProcessLock)()
0099 #define UNLOCK_PROCESS if(_XtProcessUnlock)(*_XtProcessUnlock)()
0100 #define LOCK_APP(app) if(app && app->lock)(*app->lock)(app)
0101 #define UNLOCK_APP(app) if(app && app->unlock)(*app->unlock)(app)
0102
0103 #define YIELD_APP_LOCK(app,push,pushed,level)\
0104      if(app && app->yield_lock) (*app->yield_lock)(app,push,pushed,level)
0105 #define RESTORE_APP_LOCK(app,level,pushed)\
0106      if(app && app->restore_lock) (*app->restore_lock)(app,level,pushed)
0107
0108 #define WIDGET_TO_APPCON(w) \
0109     XtAppContext app = (w && _XtProcessLock ? \
0110     XtWidgetToApplicationContext(w) : NULL)
0111
0112 #define DPY_TO_APPCON(d) \
0113     XtAppContext app = (_XtProcessLock ? XtDisplayToApplicationContext(d): NULL)
0114
0115 #else /* defined(XTHREADS) */
0116
0117 #define LOCK_PROCESS
0118 #define UNLOCK_PROCESS
0119 #define LOCK_APP(app)
0120 #define UNLOCK_APP(app)
0121
0122 #define INIT_APP_LOCK(app)
0123 #define FREE_APP_LOCK(app)
0124
0125 #define WIDGET_TO_APPCON(w)
0126 #define DPY_TO_APPCON(d)
0127
0128 #endif /* !defined(XTHREADS) */
0129 #endif /* _XtThreadsI_h */