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/*
* This file is part of PowerDNS or dnsdist.
* Copyright -- PowerDNS.COM B.V. and its contributors
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* In addition, for the avoidance of any doubt, permission is granted to
* link this program with OpenSSL and to (re)distribute the binaries
* produced as the result of such linking.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MTASKER_CONTEXT_HH
#define MTASKER_CONTEXT_HH
#include "lazy_allocator.hh"
#include <boost/function.hpp>
#include <vector>
#include <exception>
struct pdns_ucontext_t {
pdns_ucontext_t ();
pdns_ucontext_t (pdns_ucontext_t const&) = delete;
pdns_ucontext_t& operator= (pdns_ucontext_t const&) = delete;
~pdns_ucontext_t ();
void* uc_mcontext;
pdns_ucontext_t* uc_link;
std::vector<char, lazy_allocator<char>> uc_stack;
std::exception_ptr exception;
};
void
pdns_swapcontext
(pdns_ucontext_t& __restrict octx, pdns_ucontext_t const& __restrict ctx);
void
pdns_makecontext
(pdns_ucontext_t& ctx, boost::function<void(void)>& start);
#endif // MTASKER_CONTEXT_HH
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