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/*
* BRLTTY - A background process providing access to the console screen (when in
* text mode) for a blind person using a refreshable braille display.
*
* Copyright (C) 1995-2014 by The BRLTTY Developers.
*
* BRLTTY comes with ABSOLUTELY NO WARRANTY.
*
* This is free software, placed under the terms of the
* GNU General Public License, as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any
* later version. Please see the file LICENSE-GPL for details.
*
* Web Page: http://mielke.cc/brltty/
*
* This software is maintained by Dave Mielke <dave@mielke.cc>.
*/
#ifndef BRLTTY_INCLUDED_ASYNC_IO
#define BRLTTY_INCLUDED_ASYNC_IO
#include "async.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
typedef struct {
void *data;
int error;
} AsyncMonitorCallbackParameters;
#define ASYNC_MONITOR_CALLBACK(name) int name (const AsyncMonitorCallbackParameters *parameters)
typedef ASYNC_MONITOR_CALLBACK(AsyncMonitorCallback);
extern int asyncMonitorFileInput (
AsyncHandle *handle,
FileDescriptor fileDescriptor,
AsyncMonitorCallback *callback, void *data
);
extern int asyncMonitorSocketInput (
AsyncHandle *handle,
SocketDescriptor socketDescriptor,
AsyncMonitorCallback *callback, void *data
);
extern int asyncMonitorFileOutput (
AsyncHandle *handle,
FileDescriptor fileDescriptor,
AsyncMonitorCallback *callback, void *data
);
extern int asyncMonitorSocketOutput (
AsyncHandle *handle,
SocketDescriptor socketDescriptor,
AsyncMonitorCallback *callback, void *data
);
extern int asyncMonitorFileAlert (
AsyncHandle *handle,
FileDescriptor fileDescriptor,
AsyncMonitorCallback *callback, void *data
);
extern int asyncMonitorSocketAlert (
AsyncHandle *handle,
SocketDescriptor socketDescriptor,
AsyncMonitorCallback *callback, void *data
);
typedef struct {
void *data;
const void *buffer;
size_t size;
size_t length;
int error;
unsigned end:1;
} AsyncInputCallbackParameters;
#define ASYNC_INPUT_CALLBACK(name) size_t name (const AsyncInputCallbackParameters *parameters)
typedef ASYNC_INPUT_CALLBACK(AsyncInputCallback);
extern int asyncReadFile (
AsyncHandle *handle,
FileDescriptor fileDescriptor,
size_t size,
AsyncInputCallback *callback, void *data
);
extern int asyncReadSocket (
AsyncHandle *handle,
SocketDescriptor socketDescriptor,
size_t size,
AsyncInputCallback *callback, void *data
);
typedef struct {
void *data;
const void *buffer;
size_t size;
int error;
} AsyncOutputCallbackParameters;
#define ASYNC_OUTPUT_CALLBACK(name) void name (const AsyncOutputCallbackParameters *parameters)
typedef ASYNC_OUTPUT_CALLBACK(AsyncOutputCallback);
extern int asyncWriteFile (
AsyncHandle *handle,
FileDescriptor fileDescriptor,
const void *buffer, size_t size,
AsyncOutputCallback *callback, void *data
);
extern int asyncWriteSocket (
AsyncHandle *handle,
SocketDescriptor socketDescriptor,
const void *buffer, size_t size,
AsyncOutputCallback *callback, void *data
);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* BRLTTY_INCLUDED_ASYNC_IO */
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