/usr/include/Inventor/threads/SbMutex.h is in libcoin80-dev 3.1.4~abc9f50-4ubuntu2.
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 69 70 71 72 73 74 75 76 | #ifndef COIN_SBMUTEX_H
#define COIN_SBMUTEX_H
/**************************************************************************\
* Copyright (c) Kongsberg Oil & Gas Technologies AS
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
\**************************************************************************/
#include <Inventor/SbBasic.h>
#include <Inventor/C/threads/mutex.h>
class SbMutex {
public:
SbMutex(void) { this->mutex = cc_mutex_construct(); }
~SbMutex() { cc_mutex_destruct(this->mutex); }
int lock(void) {
cc_mutex_lock(this->mutex);
/* Useless return, here just for compatibility with TGS'
SbThreadMutex API: */
return 0;
}
SbBool tryLock(void) {
return cc_mutex_try_lock(this->mutex) == CC_OK;
}
int unlock(void) {
cc_mutex_unlock(this->mutex);
/* Useless return, here just for compatibility with TGS'
SbThreadMutex API: */
return 0;
}
private:
// FIXME: we need access to C mutex structur. Should we use friend,
// or should we add a new public method to get to this structure?
// pederb, 2002-06-26
friend class SbCondVar;
cc_mutex * mutex;
};
#ifndef COIN_INTERNAL
// For TGS Inventor compile-time compatibility.
#include <Inventor/threads/SbThreadAutoLock.h>
#endif // COIN_INTERNAL
#endif // !COIN_SBMUTEX_H
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