内容简介
#include <libaio.h>
| 标签 | 描述 |
|---|---|
| long io_submit (aio_context_t ctx_id, long nr, struct iocb **iocbpp); | |
描述
io_submit() queues nr I/O request blocks for processing in the AIO context ctx_id.iocbpp should be an array of nr AIO request blocks, which will be submitted to contextctx_id.
返回值
io_submit() returns the number of iocbs submitted and 0 if nr is zero.
错误
| 标签 | 描述 |
|---|---|
| EINVAL |
The aio_context specified by ctx_id is invalid. nr is less than 0. The iocb at *iocbpp[0] is not properly initialized, or the operation specified is invalid for the file descriptor in the iocb.
|
| EFAULT |
One of the data structures yiibais to invalid data.
|
| EBADF |
The file descriptor specified in the first iocb is invalid.
|
| EAGAIN |
Insufficient resources are available to queue any iocbs.
|
| ENOSYS |
io_submit() is not implemented on this architecture.
|
遵循于
io_submit() 是Linux特有的，并应在该旨在是可移植的程序不被使用。
版本
The asynchronous I/O system calls first appeared in Linux 2.5, August 2002.
另请参阅
io_setup(2), io_destroy(2), io_getevents(2), io_cancel(2).
注意
The asynchronous I/O system calls were written by Benjamin LaHaise.
作者
Kent Yoder.
