Method write

net/pooled_socket.cpp:64–66

        FORWARD_SOCK_ACT(less_equal, read(buf, count), count);
    }
    ssize_t write(const void* buf, size_t count) override {
        FORWARD_SOCK_ACT(less, write(buf, count), count);
    }
    ssize_t readv(const struct iovec* iov, int iovcnt) override {
        FORWARD_SOCK_ACT(less_equal, readv(iov, iovcnt),
                         iovector_view((struct iovec*)iov, iovcnt).sum());