178 lines
3.7 KiB
C
178 lines
3.7 KiB
C
/*
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Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _HIO_SYS_PRV_H_
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#define _HIO_SYS_PRV_H_
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/* this is a private header file used by sys-XXX files */
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#include "hio-prv.h"
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#if defined(HAVE_SYS_EVENT_H) && defined(HAVE_KQUEUE) && defined(HAVE_KEVENT)
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# include <sys/types.h>
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# include <sys/event.h>
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# define USE_KQUEUE
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#elif defined(HAVE_SYS_EPOLL_H)
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# include <sys/epoll.h>
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# define USE_EPOLL
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#elif defined(HAVE_SYS_POLL_H)
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# include <sys/poll.h>
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# define USE_POLL
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#else
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# error NO SUPPORTED MULTIPLEXER
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#endif
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#include <pthread.h>
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/* -------------------------------------------------------------------------- */
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#if defined(USE_POLL)
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struct hio_sys_mux_t
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{
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struct
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{
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hio_oow_t* ptr;
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hio_oow_t size;
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hio_oow_t capa;
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} map; /* handle to index */
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struct
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{
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struct pollfd* pfd;
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hio_dev_t** dptr;
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hio_oow_t size;
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hio_oow_t capa;
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} pd; /* poll data */
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int ctrlp[2];
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};
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#elif defined(USE_KQUEUE)
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struct hio_sys_mux_t
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{
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int kq;
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struct kevent revs[1024]; /* TODO: is it a good size? */
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int ctrlp[2];
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};
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#elif defined(USE_EPOLL)
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struct hio_sys_mux_t
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{
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int hnd;
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struct epoll_event revs[1024]; /* TODO: is it a good size? */
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int ctrlp[2];
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};
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#endif
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typedef struct hio_sys_mux_t hio_sys_mux_t;
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/* -------------------------------------------------------------------------- */
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struct hio_sys_log_t
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{
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int fd;
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int fd_flag; /* bitwise OR'ed of logfd_flag_t bits */
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struct
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{
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hio_bch_t buf[4096];
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hio_oow_t len;
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} out;
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pthread_mutex_t mtx;
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};
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typedef struct hio_sys_log_t hio_sys_log_t;
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/* -------------------------------------------------------------------------- */
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struct hio_sys_time_t
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{
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#if defined(_WIN32)
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HANDLE waitable_timer;
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DWORD tc_last;
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DWORD tc_overflow;
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#elif defined(__OS2__)
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ULONG tc_last;
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hio_ntime_t tc_last_ret;
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#elif defined(__DOS__)
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clock_t tc_last;
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hio_ntime_t tc_last_ret;
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#else
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/* nothing */
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#endif
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};
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typedef struct hio_sys_time_t hio_sys_time_t;
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/* -------------------------------------------------------------------------- */
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struct hio_sys_t
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{
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hio_sys_log_t log;
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hio_sys_mux_t mux;
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hio_sys_time_t time;
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};
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/* -------------------------------------------------------------------------- */
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#if defined(__cplusplus)
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extern "C" {
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#endif
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int hio_sys_initlog (
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hio_t* hio
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);
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void hio_sys_finilog (
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hio_t* hio
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);
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int hio_sys_initmux (
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hio_t* hio
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);
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void hio_sys_finimux (
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hio_t* hio
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);
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int hio_sys_inittime (
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hio_t* hio
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);
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void hio_sys_finitime (
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hio_t* hio
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);
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#if defined(__cplusplus)
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}
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#endif
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#endif
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