File: size.cc

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#include "sharedsegment.ih"

size_t SharedSegment::size(int id)
{
    struct shmid_ds buf;

    if (shmctl(id, IPC_STAT, &buf) == -1)
        throw Exception{} << "Can't determine segment size of segment " <<
                            id << ": " << errnodescr;

    return buf.shm_segsz;
}