1 #ifndef COIN_SBFIFO_H 2 #define COIN_SBFIFO_H 3 4 /**************************************************************************\ 5 * Copyright (c) Kongsberg Oil & Gas Technologies AS 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are 10 * met: 11 * 12 * Redistributions of source code must retain the above copyright notice, 13 * this list of conditions and the following disclaimer. 14 * 15 * Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * Neither the name of the copyright holder nor the names of its 20 * contributors may be used to endorse or promote products derived from 21 * this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 27 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 29 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 \**************************************************************************/ 35 36 #include <Inventor/C/threads/fifo.h> 37 38 class SbFifo { 39 public: SbFifo(void)40 SbFifo(void) { this->fifo = cc_fifo_new(); } ~SbFifo(void)41 ~SbFifo(void) { cc_fifo_delete(this->fifo); } 42 assign(void * ptr,uint32_t type)43 void assign(void * ptr, uint32_t type) 44 { cc_fifo_assign(this->fifo, ptr, type); } retrieve(void * & ptr,uint32_t & type)45 void retrieve(void *& ptr, uint32_t &type) 46 { cc_fifo_retrieve(this->fifo, &ptr, &type); } tryRetrieve(void * & ptr,uint32_t & type)47 SbBool tryRetrieve(void *& ptr, uint32_t & type) 48 { return cc_fifo_try_retrieve(this->fifo, &ptr, &type); } 49 size(void)50 unsigned int size(void) const { return cc_fifo_size(this->fifo); } 51 lock(void)52 void lock(void) const { cc_fifo_lock(this->fifo); } unlock(void)53 void unlock(void) const { cc_fifo_unlock(this->fifo); } 54 55 // lock/unlock only needed around the following operations: peek(void * & item,uint32_t & type)56 SbBool peek(void *& item, uint32_t & type) const 57 { return cc_fifo_peek(this->fifo, &item, &type); } contains(void * item)58 SbBool contains(void * item) const 59 { return cc_fifo_contains(this->fifo, item); } reclaim(void * item)60 SbBool reclaim(void * item) 61 { return cc_fifo_reclaim(this->fifo, item); } 62 63 private: 64 cc_fifo * fifo; 65 }; 66 67 #endif // !COIN_SBFIFO_H 68