/usr/include/js-17.0/jslock.h is in libmozjs-17.0-dev 17.0.0-1ubuntu1.
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 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef jslock_h__
#define jslock_h__
#include "jsapi.h"
#ifdef JS_THREADSAFE
# include "pratom.h"
# include "prlock.h"
# include "prcvar.h"
# include "prthread.h"
# include "prinit.h"
# define JS_ATOMIC_INCREMENT(p) PR_ATOMIC_INCREMENT((int32_t *)(p))
# define JS_ATOMIC_DECREMENT(p) PR_ATOMIC_DECREMENT((int32_t *)(p))
# define JS_ATOMIC_ADD(p,v) PR_ATOMIC_ADD((int32_t *)(p), (int32_t)(v))
# define JS_ATOMIC_SET(p,v) PR_ATOMIC_SET((int32_t *)(p), (int32_t)(v))
#else /* JS_THREADSAFE */
typedef struct PRThread PRThread;
typedef struct PRCondVar PRCondVar;
typedef struct PRLock PRLock;
# define JS_ATOMIC_INCREMENT(p) (++*(p))
# define JS_ATOMIC_DECREMENT(p) (--*(p))
# define JS_ATOMIC_ADD(p,v) (*(p) += (v))
# define JS_ATOMIC_SET(p,v) (*(p) = (v))
#endif /* JS_THREADSAFE */
namespace js {
class AutoAtomicIncrement
{
int32_t *p;
JS_DECL_USE_GUARD_OBJECT_NOTIFIER
public:
AutoAtomicIncrement(int32_t *p JS_GUARD_OBJECT_NOTIFIER_PARAM)
: p(p) {
JS_GUARD_OBJECT_NOTIFIER_INIT;
JS_ATOMIC_INCREMENT(p);
}
~AutoAtomicIncrement() {
JS_ATOMIC_DECREMENT(p);
}
};
} /* namespace js */
#endif /* jslock_h___ */
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