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2019-09-06 23:53:10 +08:00
commit f0ef89dfbb
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95
vendor/swoole/include/async.h vendored Executable file
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/*
+----------------------------------------------------------------------+
| Swoole |
+----------------------------------------------------------------------+
| Copyright (c) 2012-2018 The Swoole Group |
+----------------------------------------------------------------------+
| This source file is subject to version 2.0 of the Apache license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.apache.org/licenses/LICENSE-2.0.html |
| If you did not receive a copy of the Apache2.0 license and are unable|
| to obtain it through the world-wide-web, please send a note to |
| license@swoole.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Tianfeng Han <mikan.tenny@gmail.com> |
+----------------------------------------------------------------------+
*/
#ifndef _SW_ASYNC_H_
#define _SW_ASYNC_H_
#ifndef O_DIRECT
#define O_DIRECT 040000
#endif
enum swAioOpcode
{
SW_AIO_READ = 0,
SW_AIO_WRITE = 1,
SW_AIO_GETHOSTBYNAME = 2,
SW_AIO_GETADDRINFO = 3,
SW_AIO_STREAM_GET_LINE = 4,
SW_AIO_READ_FILE,
SW_AIO_WRITE_FILE,
};
enum swAioFlag
{
SW_AIO_WRITE_FSYNC = 1u << 1,
SW_AIO_EOF = 1u << 2,
};
typedef struct _swAio_event
{
int fd;
int task_id;
uint8_t type;
uint16_t flags;
off_t offset;
size_t nbytes;
void *buf;
void *req;
int ret;
int error;
void *object;
void (*callback)(struct _swAio_event *event);
} swAio_event;
typedef void (*swAio_handler)(swAio_event *event);
typedef struct
{
uint8_t init;
uint8_t thread_num;
uint32_t task_num;
uint16_t current_id;
swLock lock;
swAio_handler handlers[SW_AIO_HANDLER_MAX_SIZE];
void (*destroy)(void);
void (*callback)(swAio_event *aio_event);
int (*read)(int fd, void *outbuf, size_t size, off_t offset);
int (*write)(int fd, void *inbuf, size_t size, off_t offset);
} swAsyncIO;
extern swAsyncIO SwooleAIO;
extern swPipe swoole_aio_pipe;
void swAio_callback_test(swAio_event *aio_event);
int swAio_init(void);
void swAio_free(void);
int swAioBase_init(int max_aio_events);
int swAio_dns_lookup(void *hostname, void *ip_addr, size_t size);
int swAio_dispatch(swAio_event *_event);
#ifdef HAVE_GCC_AIO
int swAioGcc_init(int max_aio_events);
#endif
#ifdef HAVE_LINUX_AIO
#define SW_AIO_MIN_UNIT_SIZE 512
int swAioLinux_init(int max_aio_events);
#endif
#endif /* _SW_ASYNC_H_ */