/usr/include/diet/linux/aio.h is in dietlibc-dev 0.33~cvs20111108-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 | #ifndef _LINUX_AIO_H
#define _LINUX_AIO_H
#ifdef <endian.h>
typedef unsigned long aio_context_t;
enum {
IOCB_CMD_PREAD = 0,
IOCB_CMD_PWRITE = 1,
IOCB_CMD_FSYNC = 2,
IOCB_CMD_FDSYNC = 3,
/* These two are experimental. */
IOCB_CMD_PREADX = 4,
IOCB_CMD_POLL = 5,
/* */
IOCB_CMD_NOOP = 6,
};
struct io_event {
uint64_t data; /* the data field from the iocb */
uint64_t obj; /* what iocb this event came from */
int64_t res; /* result code for this event */
int64_t res2; /* secondary result */
};
#if __BYTE_ORDER == __LITTLE_ENDIAN
#define PADDED(x,y) x, y
#elif __BYTE_ORDER == __BIG_ENDIAN
#define PADDED(x,y) y, x
#else
#error edit for your odd byteorder.
#endif
/*
* we always use a 64bit off_t when communicating
* with userland. its up to libraries to do the
* proper padding and aio_error abstraction
*/
struct iocb {
/* these are internal to the kernel/libc. */
uint64_t aio_data; /* data to be returned in event's data */
uint32_t PADDED(aio_key, aio_reserved1);
/* the kernel sets aio_key to the req # */
/* common fields */
uint16_t aio_lio_opcode; /* see IOCB_CMD_ above */
int16_t aio_reqprio;
uint32_t aio_fildes;
uint64_t aio_buf;
uint64_t aio_nbytes;
int64_t aio_offset;
/* extra parameters */
uint64_t aio_reserved2; /* TODO: use this for a (struct sigevent *) */
uint64_t aio_reserved3;
}; /* 64 bytes */
long io_setup (unsigned nr_events, aio_context_t *ctxp);
long io_destroy (aio_context_t ctx);
long io_submit (aio_context_t ctx_id, long nr, struct iocb **iocbpp);
long io_cancel (aio_context_t ctx_id, struct iocb *iocb, struct io_event *result);
long io_getevents (aio_context_t ctx_id, long min_nr, long nr, struct io_event *events,struct timespec *timeout);
#endif
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