/******************************************************************************
*
* Copyright (c) 2014 TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer.
*
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
*
* Reader.cpp
*
*****************************************************************************/
#include <oz++/Thread.h>
#include <oz++/KeyedSharedMemory.h>
#include <oz++/KeyedSemaphore.h>
#include "Def.h"
namespace OZ {
class Reader :public CommonObject {
private:
KeyedSemaphore semaphore;
public:
Reader()
{
key_t sem_key = (key_t)123456;
semaphore.create(sem_key);
//semaphore.setVal(0, 0);
}
public:
~Reader()
{
}
public:
void read()
{
printf("Start read method \n");
semaphore.lock();
FILE* fp = fopen("./test.txt", "r");
if (fp) {
char buffer[256];
while(fgets(buffer, sizeof(buffer), fp)) {
printf("%s", buffer);
}
fclose(fp);
}
semaphore.unlock();
printf("End read method \n");
}
};
}
/**
*
*/
int main(int argc, char* argv[])
{
try {
printf("Create an instance of Reader.\n");
Reader reader;
printf("Call read method.\n");
reader.read();
} catch (Exception& ex) {
caught(ex);
}
return 0;
}