NVList.cc

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#include"NVList.h"
#include"Error.h"

#include<fcntl.h>
#include<sys/mman.h>
#include<sys/stat.h>
#include<sys/types.h>

using namespace std;

int NVList::is_empty()
{
        int r;
        lock(ShrdLock);
        r = sis_empty(getdatap());
        lock(UnLock);
        return r;
}

void NVList::prepend(const char *data, size_t szdata)
{
        lock(ExclLock);
        sprepend(getdatap(), data, szdata);
        lock(UnLock);
}

void NVList::append(const char *data, size_t szdata)
{
        lock(ExclLock);
        sappend(getdatap(), data, szdata);
        lock(UnLock);
}

void NVList::remove()
{
        if (getdata()) {
                lock(ExclLock);
                sremove(getdatap());
                lock(UnLock);
        }
}

void NVList::clear()
{
        lock(ExclLock);
        sclear(getdatap());
        lock(UnLock);
}

void NVList::print(ostream & os)
{
        lock(ShrdLock);
        sprint(getdatap(), os);
        lock(UnLock);
}

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