/usr/include/vips/semaphore.h is in libvips-dev 8.2.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 | /* Definitions for thread support.
*
* JC, 9/5/94
* 30/7/99 RP, JC
* - reworked for posix/solaris threads
* 28/9/99 JC
* - restructured, made part of public API
*/
/*
This file is part of VIPS.
VIPS is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
*/
/*
These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
*/
#ifndef VIPS_SEMAPHORE_H
#define VIPS_SEMAPHORE_H
#ifdef __cplusplus
extern "C" {
#endif /*__cplusplus*/
#include <vips/vips.h>
#include <vips/thread.h>
/* Implement our own semaphores.
*/
typedef struct {
char *name;
int v;
GMutex *mutex;
GCond *cond;
} VipsSemaphore;
int vips_semaphore_up( VipsSemaphore *s );
int vips_semaphore_down( VipsSemaphore *s );
int vips_semaphore_upn( VipsSemaphore *s, int n );
int vips_semaphore_downn( VipsSemaphore *s, int n );
void vips_semaphore_destroy( VipsSemaphore *s );
void vips_semaphore_init( VipsSemaphore *s, int v, char *name );
#ifdef __cplusplus
}
#endif /*__cplusplus*/
#endif /*VIPS_SEMAPHORE_H*/
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