165 lines
4.5 KiB
C
165 lines
4.5 KiB
C
/*
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* $Id$
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*
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Copyright (c) 2015-2016 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 WAfRRANTIES
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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 _STIO_PRO_H_
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#define _STIO_PRO_H_
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#include <stio.h>
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enum stio_dev_pro_sid_t
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{
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STIO_DEV_PRO_MASTER = -1,
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STIO_DEV_PRO_IN = 0,
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STIO_DEV_PRO_OUT = 1,
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STIO_DEV_PRO_ERR = 2
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};
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typedef enum stio_dev_pro_sid_t stio_dev_pro_sid_t;
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typedef struct stio_dev_pro_t stio_dev_pro_t;
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typedef struct stio_dev_pro_slave_t stio_dev_pro_slave_t;
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typedef int (*stio_dev_pro_on_read_t) (stio_dev_pro_t* dev, const void* data, stio_iolen_t len, stio_dev_pro_sid_t sid);
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typedef int (*stio_dev_pro_on_write_t) (stio_dev_pro_t* dev, stio_iolen_t wrlen, void* wrctx);
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typedef void (*stio_dev_pro_on_close_t) (stio_dev_pro_t* dev, stio_dev_pro_sid_t sid);
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struct stio_dev_pro_t
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{
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STIO_DEV_HEADERS;
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int flags;
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stio_intptr_t child_pid;
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stio_dev_pro_slave_t* slave[3];
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int slave_count;
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stio_dev_pro_on_read_t on_read;
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stio_dev_pro_on_write_t on_write;
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stio_dev_pro_on_close_t on_close;
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stio_mchar_t* mcmd;
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};
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struct stio_dev_pro_slave_t
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{
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STIO_DEV_HEADERS;
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stio_dev_pro_sid_t id;
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stio_syshnd_t pfd;
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stio_dev_pro_t* master; /* parent device */
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};
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enum stio_dev_pro_make_flag_t
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{
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STIO_DEV_PRO_WRITEIN = (1 << 0),
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STIO_DEV_PRO_READOUT = (1 << 1),
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STIO_DEV_PRO_READERR = (1 << 2),
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STIO_DEV_PRO_ERRTOOUT = (1 << 3),
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STIO_DEV_PRO_OUTTOERR = (1 << 4),
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STIO_DEV_PRO_INTONUL = (1 << 5),
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STIO_DEV_PRO_OUTTONUL = (1 << 6),
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STIO_DEV_PRO_ERRTONUL = (1 << 7),
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STUO_DEV_PRO_DROPIN = (1 << 8),
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STUO_DEV_PRO_DROPOUT = (1 << 9),
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STUO_DEV_PRO_DROPERR = (1 << 10),
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STIO_DEV_PRO_SHELL = (1 << 13),
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/* perform no waitpid() on a child process upon device destruction.
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* you should set this flag if your application has automatic child
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* process reaping enabled. for instance, SIGCHLD is set to SIG_IGN
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* on POSIX.1-2001 compliant systems */
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STIO_DEV_PRO_FORGET_CHILD = (1 << 14),
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STIO_DEV_PRO_FORGET_DIEHARD_CHILD = (1 << 15)
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};
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typedef enum stio_dev_pro_make_flag_t stio_dev_pro_make_flag_t;
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typedef struct stio_dev_pro_make_t stio_dev_pro_make_t;
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struct stio_dev_pro_make_t
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{
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int flags; /**< bitwise-ORed of stio_dev_pro_make_flag_t enumerators */
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const void* cmd;
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stio_dev_pro_on_write_t on_write; /* mandatory */
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stio_dev_pro_on_read_t on_read; /* mandatory */
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stio_dev_pro_on_close_t on_close; /* optional */
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};
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enum stio_dev_pro_ioctl_cmd_t
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{
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STIO_DEV_PRO_CLOSE,
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STIO_DEV_PRO_KILL_CHILD
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};
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typedef enum stio_dev_pro_ioctl_cmd_t stio_dev_pro_ioctl_cmd_t;
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#ifdef __cplusplus
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extern "C" {
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#endif
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STIO_EXPORT stio_dev_pro_t* stio_dev_pro_make (
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stio_t* stio,
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stio_size_t xtnsize,
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const stio_dev_pro_make_t* data
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);
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STIO_EXPORT void stio_dev_pro_kill (
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stio_dev_pro_t* pro
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);
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STIO_EXPORT int stio_dev_pro_write (
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stio_dev_pro_t* pro,
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const void* data,
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stio_iolen_t len,
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void* wrctx
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);
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STIO_EXPORT int stio_dev_pro_timedwrite (
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stio_dev_pro_t* pro,
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const void* data,
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stio_iolen_t len,
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const stio_ntime_t* tmout,
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void* wrctx
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);
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STIO_EXPORT int stio_dev_pro_close (
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stio_dev_pro_t* pro,
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stio_dev_pro_sid_t sid
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);
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STIO_EXPORT int stio_dev_pro_killchild (
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stio_dev_pro_t* pro
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);
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#ifdef __cplusplus
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}
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#endif
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#endif
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