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| author | Tony Solomonik <tony.solomonik@gmail.com> | 2024-01-23 15:21:59 +0200 |
|---|---|---|
| committer | Tony Solomonik <tony.solomonik@gmail.com> | 2024-01-31 18:18:51 +0200 |
| commit | ed3e6f5cdae5e8ded22af0a0884174eeabfe6bca (patch) | |
| tree | b24855cc996f6fa7e1f703b87a47f4b796954ed5 | |
| parent | 41950c154dc667625fb3fa437b95f5abcc1cc6bb (diff) | |
| download | liburing-ed3e6f5cdae5e8ded22af0a0884174eeabfe6bca.tar.gz | |
man/io_uring_prep_ftruncate: Add the new ftruncate command
Signed-off-by: Tony Solomonik <tony.solomonik@gmail.com>
| -rw-r--r-- | man/io_uring_prep_ftruncate.3 | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/man/io_uring_prep_ftruncate.3 b/man/io_uring_prep_ftruncate.3 new file mode 100644 index 00000000..c49ad5b0 --- /dev/null +++ b/man/io_uring_prep_ftruncate.3 @@ -0,0 +1,48 @@ +.\" Copyright (C) 2024 Tony Solomonik <tony.solomonik@gmail.com> +.\" +.\" SPDX-License-Identifier: LGPL-2.0-or-later +.\" +.TH io_uring_prep_ftruncate 3 "January 23, 2024" "liburing-2.6" "liburing Manual" +.SH NAME +io_uring_prep_ftruncate \- prepare an ftruncate request +.SH SYNOPSIS +.nf +.B #include <liburing.h> +.PP +.BI "void io_uring_prep_ftruncate(struct io_uring_sqe *" sqe "," +.BI " int " fd "," +.BI " loff_t " len ");" +.fi +.SH DESCRIPTION +.PP +The +.BR io_uring_prep_ftruncate (3) +function prepares an ftruncate request. The submission queue entry +.I sqe +is setup to use the file descriptor +.I fd +that should get truncated to the length indicated by the +.I len +argument. + +.SH RETURN VALUE +None +.SH ERRORS +The CQE +.I res +field will contain the result of the operation. See the related man page for +details on possible values. Note that where synchronous system calls will return +.B -1 +on failure and set +.I errno +to the actual error value, io_uring never uses +.IR errno . +Instead it returns the negated +.I errno +directly in the CQE +.I res +field. +.SH SEE ALSO +.BR io_uring_get_sqe (3), +.BR io_uring_submit (3), +.BR ftruncate (2), |