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port.hpp
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//-*-Mode:C++;coding:utf-8;tab-width:4;c-basic-offset:4;indent-tabs-mode:()-*-
// ex: set ft=cpp fenc=utf-8 sts=4 ts=4 sw=4 et nomod:
//////////////////////////////////////////////////////////////////////////////
//
// GENERIC ERLANG PORT [DRIVER]
// automatically create Erlang bindings to C++/C that requires an OS process
//
// MIT License
//
// Copyright (c) 2009-2020 Michael Truog <mjtruog at protonmail dot com>
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//////////////////////////////////////////////////////////////////////////////
#ifndef GEPD_PORT_HPP
#define GEPD_PORT_HPP
#include <poll.h>
#include "realloc_ptr.hpp"
namespace GEPD
{
namespace ExitStatus
{
int const success = 0;
int const min = 78; // all GEPD values >=
int const ready = 78; // external fd is ready
int const timeout = 79; // timeout on all fds
int const errors_min = 80; // errors >=
int const erlang_exit = errors_min;
int const read_EAGAIN = errors_min + 1;
int const read_EBADF = errors_min + 2;
int const read_EFAULT = errors_min + 3;
int const read_EINTR = errors_min + 4;
int const read_EINVAL = errors_min + 5;
int const read_EIO = errors_min + 6;
int const read_EISDIR = errors_min + 7;
int const read_null = errors_min + 8;
int const read_overflow = errors_min + 9;
int const read_unknown = errors_min + 10;
int const write_EAGAIN = errors_min + 11;
int const write_EBADF = errors_min + 12;
int const write_EFAULT = errors_min + 13;
int const write_EFBIG = errors_min + 14;
int const write_EINTR = errors_min + 15;
int const write_EINVAL = errors_min + 16;
int const write_EIO = errors_min + 17;
int const write_ENOSPC = errors_min + 18;
int const write_EPIPE = errors_min + 19;
int const write_null = errors_min + 20;
int const write_overflow = errors_min + 21;
int const write_unknown = errors_min + 22;
int const ei_encode_error = errors_min + 23;
int const poll_EBADF = errors_min + 24;
int const poll_EFAULT = errors_min + 25;
int const poll_EINTR = errors_min + 26;
int const poll_EINVAL = errors_min + 27;
int const poll_ENOMEM = errors_min + 28;
int const poll_ERR = errors_min + 29;
int const poll_HUP = errors_min + 30;
int const poll_NVAL = errors_min + 31;
int const poll_unknown = errors_min + 32;
int const pipe_EFAULT = errors_min + 33;
int const pipe_EINVAL = errors_min + 34;
int const pipe_EMFILE = errors_min + 35;
int const pipe_ENFILE = errors_min + 36;
int const pipe_unknown = errors_min + 37;
int const dup_EBADF = errors_min + 38;
int const dup_EBUSY = errors_min + 39;
int const dup_EINTR = errors_min + 40;
int const dup_EINVAL = errors_min + 41;
int const dup_EMFILE = errors_min + 42;
int const dup_unknown = errors_min + 43;
int const close_EBADF = errors_min + 44;
int const close_EINTR = errors_min + 45;
int const close_EIO = errors_min + 46;
int const close_unknown = errors_min + 47;
int const errors_max = errors_min + 48; // errors <
int const error_HUP = poll_HUP;
}
int consume_stream(int fd, short & revents,
char const * const name, unsigned long const pid,
realloc_ptr<unsigned char> & send_buffer,
realloc_ptr<unsigned char> & stream, size_t & i);
int flush_stream(int fd, short revents,
char const * const name, unsigned long const pid,
realloc_ptr<unsigned char> & send_buffer,
realloc_ptr<unsigned char> & stream, size_t & i);
extern realloc_ptr<struct pollfd> fds;
extern nfds_t nfds;
int default_main();
int init();
int wait(int & count,
realloc_ptr<unsigned char> & buffer,
realloc_ptr<unsigned char> & stream1,
realloc_ptr<unsigned char> & stream2);
int wait(int & count, int const timeout,
realloc_ptr<unsigned char> & buffer,
realloc_ptr<unsigned char> & stream1,
realloc_ptr<unsigned char> & stream2);
}
#endif // GEPD_PORT_HPP