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NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | SEE ALSO | COLOPHON |
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io_uring_register_probe(3) liburing Manual io_uring_register_probe(3)
io_uring_register_probe - register probe with io_uring
#include <liburing.h>
int io_uring_register_probe(struct io_uring *ring,
struct io_uring_probe *p,
unsigned nr);
The io_uring_register_probe(3) function queries the kernel for
supported io_uring opcodes and fills in the probe structure p.
The ring argument specifies the io_uring instance to query, and nr
specifies the maximum number of opcodes to query.
The probe structure contains information about which opcodes are
supported by the kernel. Applications can use
io_uring_opcode_supported(3) to check if a specific opcode is
supported after calling this function.
Most applications should use io_uring_get_probe(3) or
io_uring_get_probe_ring(3) instead, which allocate and fill in the
probe structure automatically.
Returns 0 on success. On error, a negative errno value is
returned.
io_uring_get_probe(3), io_uring_get_probe_ring(3),
io_uring_opcode_supported(3), io_uring_free_probe(3),
io_uring_register(2)
This page is part of the liburing (A library for io_uring)
project. Information about the project can be found at
⟨https://github.com/axboe/liburing⟩. If you have a bug report for
this manual page, send it to io-uring@vger.kernel.org. This page
was obtained from the project's upstream Git repository
⟨https://github.com/axboe/liburing⟩ on 2026-05-24. (At that time,
the date of the most recent commit that was found in the
repository was 2026-05-18.) If you discover any rendering
problems in this HTML version of the page, or you believe there is
a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
man-pages@man7.org
liburing-2.4 January 18, 2025 io_uring_register_probe(3)
Pages that refer to this page: io_uring_get_probe_ring(3), io_uring_register_probe(3)
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HTML rendering created 2026-05-24 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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