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author | Rich Felker <dalias@aerifal.cx> | 2011-09-09 01:07:38 -0400 |
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committer | Rich Felker <dalias@aerifal.cx> | 2011-09-09 01:07:38 -0400 |
commit | b4de6f93aed733b8fc8d103e5ced69ebe7d659e6 (patch) | |
tree | 33664a468c80b6b37a079d7d9bdbadf5adf4f93c /include/aio.h | |
parent | 96cea94ad258be262ecf15b33d13cf775e59720d (diff) | |
download | musl-b4de6f93aed733b8fc8d103e5ced69ebe7d659e6.tar.gz musl-b4de6f93aed733b8fc8d103e5ced69ebe7d659e6.tar.bz2 musl-b4de6f93aed733b8fc8d103e5ced69ebe7d659e6.tar.xz musl-b4de6f93aed733b8fc8d103e5ced69ebe7d659e6.zip |
implement POSIX asynchronous io
some features are not yet supported, and only minimal testing has been
performed. should be considered experimental at this point.
Diffstat (limited to 'include/aio.h')
-rw-r--r-- | include/aio.h | 60 |
1 files changed, 60 insertions, 0 deletions
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 <signal.h> +#include <time.h> + +#define __NEED_ssize_t +#define __NEED_off_t + +#include <bits/alltypes.h> + +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 |