1io_uring_prep_send(3)           liburing Manual          io_uring_prep_send(3)
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NAME

6       io_uring_prep_send - prepare a send request
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SYNOPSIS

9       #include <liburing.h>
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11       void io_uring_prep_send(struct io_uring_sqe *sqe,
12                               int sockfd,
13                               const void *buf,
14                               size_t len,
15                               int flags);
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DESCRIPTION

18       The io_uring_prep_send(3) function prepares a send request. The submis‐
19       sion queue entry sqe is setup to use  the  file  descriptor  sockfd  to
20       start  sending  the  data  from buf of size len bytes and with modifier
21       flags flags.
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23       This function prepares an async send(2) request. See that man page  for
24       details.
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RETURN VALUE

28       None
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ERRORS

31       The CQE res field will contain the result of the operation. See the re‐
32       lated man page for details on possible values. Note that where synchro‐
33       nous system calls will return -1 on failure and set errno to the actual
34       error value, io_uring never uses errno.  Instead it returns the negated
35       errno directly in the CQE res field.
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SEE ALSO

38       io_uring_get_sqe(3), io_uring_submit(3), send(2)
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42liburing-2.2                    March 12, 2022           io_uring_prep_send(3)
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