Initial import of the CDE 2.1.30 sources from the Open Group.
This commit is contained in:
Peter Howkins
175
cde/programs/dtudcfonted/libfal/_fallocking.h
Normal file
175
cde/programs/dtudcfonted/libfal/_fallocking.h
Normal file
@@ -0,0 +1,175 @@
|
||||
/* locking.h 1.1 - Fujitsu source for CDEnext 95/11/06 20:32:43 */
|
||||
/* $XConsortium: _fallocking.h /main/1 1996/04/08 15:21:32 cde-fuj $ */
|
||||
/*
|
||||
|
||||
Copyright (c) 1992 X Consortium
|
||||
|
||||
Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
of this software and associated documentation files (the "Software"), to deal
|
||||
in the Software without restriction, including without limitation the rights
|
||||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
copies of the Software, and to permit persons to whom the Software is
|
||||
furnished to do so, subject to the following conditions:
|
||||
|
||||
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
|
||||
X CONSORTIUM 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 X Consortium 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 X Consortium.
|
||||
|
||||
*/
|
||||
|
||||
/*
|
||||
* Author: Stephen Gildea, MIT X Consortium
|
||||
*
|
||||
* locking.h - data types for C Threads locking.
|
||||
* Used by XlibInt.c, locking.c, LockDis.c
|
||||
*/
|
||||
|
||||
#ifndef _X_locking_H_
|
||||
#define _X_locking_H_
|
||||
|
||||
#define xmalloc(s) Xmalloc(s)
|
||||
#define xfree(s) Xfree(s)
|
||||
#include <X11/Xthreads.h>
|
||||
|
||||
struct _XCVList {
|
||||
xcondition_t cv;
|
||||
xReply *buf;
|
||||
struct _XCVList *next;
|
||||
};
|
||||
|
||||
extern xthread_t (*_Xthread_self_fn)( /* in XlibInt.c */
|
||||
#if NeedFunctionPrototypes
|
||||
void
|
||||
#endif
|
||||
);
|
||||
|
||||
/* Display->lock is a pointer to one of these */
|
||||
|
||||
struct _XLockInfo {
|
||||
xmutex_t mutex; /* mutex for critical sections */
|
||||
int reply_bytes_left; /* nbytes of the reply still to read */
|
||||
Bool reply_was_read; /* _XReadEvents read a reply for _XReply */
|
||||
struct _XCVList *reply_awaiters; /* list of CVs for _XReply */
|
||||
struct _XCVList **reply_awaiters_tail;
|
||||
struct _XCVList *event_awaiters; /* list of CVs for _XReadEvents */
|
||||
struct _XCVList **event_awaiters_tail;
|
||||
Bool reply_first; /* who may read, reply queue or event queue */
|
||||
/* for XLockDisplay */
|
||||
int locking_level; /* how many times into XLockDisplay we are */
|
||||
xthread_t locking_thread; /* thread that did XLockDisplay */
|
||||
xcondition_t cv; /* wait if another thread has XLockDisplay */
|
||||
xthread_t reading_thread; /* cache */
|
||||
xthread_t conni_thread; /* thread in XProcessInternalConnection */
|
||||
xcondition_t writers; /* wait for writable */
|
||||
int num_free_cvls;
|
||||
struct _XCVList *free_cvls;
|
||||
/* used only in XlibInt.c */
|
||||
void (*pop_reader)(
|
||||
#if NeedNestedPrototypes
|
||||
Display* /* dpy */,
|
||||
struct _XCVList** /* list */,
|
||||
struct _XCVList*** /* tail */
|
||||
#endif
|
||||
);
|
||||
struct _XCVList *(*push_reader)(
|
||||
#if NeedNestedPrototypes
|
||||
Display * /* dpy */,
|
||||
struct _XCVList*** /* tail */
|
||||
#endif
|
||||
);
|
||||
void (*condition_wait)(
|
||||
#if NeedNestedPrototypes
|
||||
xcondition_t /* cv */,
|
||||
xmutex_t /* mutex */
|
||||
#if defined(XTHREADS_WARN) || defined(XTHREADS_FILE_LINE)
|
||||
, char* /* file */,
|
||||
int /* line */
|
||||
#endif
|
||||
#endif
|
||||
);
|
||||
void (*internal_lock_display)(
|
||||
#if NeedNestedPrototypes
|
||||
Display* /* dpy */,
|
||||
Bool /* wskip */
|
||||
#if defined(XTHREADS_WARN) || defined(XTHREADS_FILE_LINE)
|
||||
, char* /* file */,
|
||||
int /* line */
|
||||
#endif
|
||||
#endif
|
||||
);
|
||||
/* used in XlibInt.c and locking.c */
|
||||
void (*condition_signal)(
|
||||
#if NeedNestedPrototypes
|
||||
xcondition_t /* cv */
|
||||
#if defined(XTHREADS_WARN) || defined(XTHREADS_FILE_LINE)
|
||||
, char* /* file */,
|
||||
int /* line */
|
||||
#endif
|
||||
#endif
|
||||
);
|
||||
void (*condition_broadcast)(
|
||||
#if NeedNestedPrototypes
|
||||
xcondition_t /* cv */
|
||||
#if defined(XTHREADS_WARN) || defined(XTHREADS_FILE_LINE)
|
||||
, char* /* file */,
|
||||
int /* line */
|
||||
#endif
|
||||
#endif
|
||||
);
|
||||
/* used in XlibInt.c and XLockDis.c */
|
||||
void (*lock_wait)(
|
||||
#if NeedNestedPrototypes
|
||||
Display* /* dpy */
|
||||
#endif
|
||||
);
|
||||
void (*user_lock_display)(
|
||||
#if NeedNestedPrototypes
|
||||
Display* /* dpy */
|
||||
#endif
|
||||
);
|
||||
void (*user_unlock_display)(
|
||||
#if NeedNestedPrototypes
|
||||
Display* /* dpy */
|
||||
#endif
|
||||
);
|
||||
struct _XCVList *(*create_cvl)(
|
||||
#if NeedNestedPrototypes
|
||||
Display * /* dpy */
|
||||
#endif
|
||||
);
|
||||
};
|
||||
|
||||
#define UnlockNextEventReader(d) if ((d)->lock) \
|
||||
(*(d)->lock->pop_reader)((d),&(d)->lock->event_awaiters,&(d)->lock->event_awaiters_tail)
|
||||
|
||||
#if defined(XTHREADS_WARN) || defined(XTHREADS_FILE_LINE)
|
||||
#define ConditionWait(d,c) if ((d)->lock) \
|
||||
(*(d)->lock->condition_wait)(c, (d)->lock->mutex,__FILE__,__LINE__)
|
||||
#define ConditionSignal(d,c) if ((d)->lock) \
|
||||
(*(d)->lock->condition_signal)(c,__FILE__,__LINE__)
|
||||
#define ConditionBroadcast(d,c) if ((d)->lock) \
|
||||
(*(d)->lock->condition_broadcast)(c,__FILE__,__LINE__)
|
||||
#else
|
||||
#define ConditionWait(d,c) if ((d)->lock) \
|
||||
(*(d)->lock->condition_wait)(c, (d)->lock->mutex)
|
||||
#define ConditionSignal(d,c) if ((d)->lock) \
|
||||
(*(d)->lock->condition_signal)(c)
|
||||
#define ConditionBroadcast(d,c) if ((d)->lock) \
|
||||
(*(d)->lock->condition_broadcast)(c)
|
||||
#endif
|
||||
|
||||
typedef struct _LockInfoRec {
|
||||
xmutex_t lock;
|
||||
} LockInfoRec;
|
||||
|
||||
#endif /* _X_locking_H_ */
|
||||
Reference in New Issue
Block a user