/usr/include/libxnee/xnee_sem.h is in libxnee-dev 3.11-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Xnee's Not an Event Emulator
*
* Xnee enables recording and replaying of X protocol data
*
* Copyright (C) 1999, 2000, 2001, 2002, 2003 Henrik Sandklef
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 3
* of the License, or any later version.
*
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Boston,
* MA 02110-1301, USA.
****/
#include <libxnee/xnee.h>
#ifdef XNEE_USE_SEMAPHORES
#include <semaphore.h>
int
xnee_sem_init(xnee_data *xd, sem_t *sem, int shared, int val);
int
xnee_sem_wait(xnee_data *xd, sem_t *sem);
int
xnee_sem_trywait(xnee_data *xd, sem_t *sem);
int
xnee_sem_post(xnee_data *xd, sem_t *sem);
int
xnee_sem_destroy(xnee_data *xd, sem_t *sem);
#else
#define xnee_sem_init(xd, sem, shared, val)
#define xnee_sem_wait(xd, sem)
#define xnee_sem_trywait(xd, sem)
#define xnee_sem_post(xd, sem)
#define xnee_sem_destroy(xd, sem)
#endif /* XNEE_USE_SEMAPHORES*/
#define XNEE_BUFFER_SEM_INIT
#define XNEE_BUFFER_SEM_GET
#define XNEE_BUFFER_SEM_WAIT
#define XNEE_BUFFER_SEM_POST
#define XNEE_BUFFER_SEM_DESTROY
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