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io_set_callback(3)

Linux
2019-07-23

libaio-dev

Linux kernel AIO access library - development files

NAME

io_set_callback - Set up io completion callback function

SYNOPSIS

#include <errno.h>

#include <libaio.h>
static inline void io_set_callback(struct iocb *iocb, io_callback_t cb);
struct iocb { void *data; unsigned key; short aio_lio_opcode; short aio_reqprio; int aio_fildes; };
typedef void (*io_callback_t)(io_context_t ctx, struct iocb *iocb, long res, long res2);

DESCRIPTION

The callback is not done if the caller uses raw events from io_getevents(3), only with the library helpers.

RETURN VALUES

None.

ERRORS

None.
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