From b4de6f93aed733b8fc8d103e5ced69ebe7d659e6 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Fri, 9 Sep 2011 01:07:38 -0400 Subject: implement POSIX asynchronous io some features are not yet supported, and only minimal testing has been performed. should be considered experimental at this point. --- include/aio.h | 60 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 include/aio.h (limited to 'include') diff --git a/include/aio.h b/include/aio.h new file mode 100644 index 00000000..893c0e9e --- /dev/null +++ b/include/aio.h @@ -0,0 +1,60 @@ +#ifndef _AIO_H +#define _AIO_H + +#ifdef __cplusplus +extern "C" { +#endif + +#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \ + || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) + +#include +#include + +#define __NEED_ssize_t +#define __NEED_off_t + +#include + +struct aiocb { + int aio_filedes, aio_lio_opcode, aio_reqprio; + volatile void *aio_buf; + size_t aio_nbytes; + struct sigevent aio_sigevent; + void *__td; + int __lock[2]; + int __err; + ssize_t __ret; + off_t aio_offset; + void *__next, *__prev; + char __dummy4[32-2*sizeof(void *)]; +}; + +#define AIO_CANCELED 0 +#define AIO_NOTCANCELED 1 +#define AIO_ALLDONE 2 + +#define LIO_READ 0 +#define LIO_WRITE 1 +#define LIO_NOP 2 + +#define LIO_WAIT 0 +#define LIO_NOWAIT 1 + +int aio_read(struct aiocb *); +int aio_write(struct aiocb *); +int aio_error(struct aiocb *); +ssize_t aio_return(struct aiocb *); +int aio_cancel(int, struct aiocb *); +int aio_suspend(struct aiocb *const [], int, const struct timespec *); +int aio_fsync(int, struct aiocb *); + +int lio_listio(int, struct aiocb *const [], int, struct sigevent *); + +#endif + +#ifdef __cplusplus +} +#endif + +#endif -- cgit v1.2.1