140 lines
3.6 KiB
C
140 lines
3.6 KiB
C
/*
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* $Id$
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*
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Copyright (c) 2006-2014 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 _QSE_SI_MUX_H_
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#define _QSE_SI_MUX_H_
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/** @file
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* This file provides functions and data types for I/O multiplexing.
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*/
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#include <qse/types.h>
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#include <qse/macros.h>
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#include <qse/cmn/time.h>
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typedef struct qse_mux_t qse_mux_t;
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typedef struct qse_mux_evt_t qse_mux_evt_t;
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enum qse_mux_errnum_t
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{
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QSE_MUX_ENOERR = 0, /**< no error */
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QSE_MUX_EOTHER, /**< other error */
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QSE_MUX_ENOIMPL, /**< not implemented */
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QSE_MUX_ESYSERR, /**< subsystem(system call) error */
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QSE_MUX_EINTERN, /**< internal error */
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QSE_MUX_ENOMEM, /**< out of memory */
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QSE_MUX_EINVAL, /**< invalid parameter */
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QSE_MUX_EACCES, /**< access denied */
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QSE_MUX_EPERM, /**< operation not permitted */
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QSE_MUX_ENOENT, /**< no such file */
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QSE_MUX_EEXIST, /**< already exist */
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QSE_MUX_ENOTDIR, /**< not a directory */
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QSE_MUX_EINTR, /**< interrupted */
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QSE_MUX_EPIPE, /**< broken pipe */
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QSE_MUX_EAGAIN, /**< resource not available temporarily */
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};
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typedef enum qse_mux_errnum_t qse_mux_errnum_t;
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#if defined(_WIN32)
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/*TODO: typedef qse_uintptr_t qse_mux_hnd_t;*/
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typedef int qse_mux_hnd_t;
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#elif defined(__OS2__)
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typedef int qse_mux_hnd_t;
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#elif defined(__DOS__)
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typedef int qse_mux_hnd_t;
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#else
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typedef int qse_mux_hnd_t;
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#endif
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enum qse_mux_evtmask_t
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{
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QSE_MUX_IN = (1 << 0),
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QSE_MUX_OUT = (1 << 1)
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};
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typedef enum qse_mux_evtmask_t qse_mux_evtmask_t;
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typedef void (*qse_mux_evtcb_t) (
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qse_mux_t* mux,
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const qse_mux_evt_t* evt
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);
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struct qse_mux_evt_t
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{
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qse_mux_hnd_t hnd;
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int mask;
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void* data;
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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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QSE_EXPORT qse_mux_t* qse_mux_open (
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qse_mmgr_t* mmgr,
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qse_size_t xtnsize,
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qse_mux_evtcb_t evtcb,
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qse_size_t capahint,
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qse_mux_errnum_t* errnum
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);
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QSE_EXPORT void qse_mux_close (
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qse_mux_t* mux
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);
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QSE_EXPORT qse_mmgr_t* qse_mux_getmmgr (
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qse_mux_t* mux
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);
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QSE_EXPORT void* qse_mux_getxtn (
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qse_mux_t* mux
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);
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QSE_EXPORT qse_mux_errnum_t qse_mux_geterrnum (
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qse_mux_t* mux
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);
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QSE_EXPORT int qse_mux_insert (
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qse_mux_t* mux,
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const qse_mux_evt_t* evt
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);
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QSE_EXPORT int qse_mux_delete (
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qse_mux_t* mux,
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const qse_mux_evt_t* evt
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);
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QSE_EXPORT int qse_mux_poll (
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qse_mux_t* mux,
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const qse_ntime_t* tmout
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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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