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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-24 04:52:22 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-24 04:52:22 +0000 |
commit | 3d08cd331c1adcf0d917392f7e527b3f00511748 (patch) | |
tree | 312f0d1e1632f48862f044b8bb87e602dcffb5f9 /man2/io_setup.2 | |
parent | Adding debian version 6.7-2. (diff) | |
download | manpages-3d08cd331c1adcf0d917392f7e527b3f00511748.tar.xz manpages-3d08cd331c1adcf0d917392f7e527b3f00511748.zip |
Merging upstream version 6.8.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'man2/io_setup.2')
-rw-r--r-- | man2/io_setup.2 | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/man2/io_setup.2 b/man2/io_setup.2 deleted file mode 100644 index 8fba0ba..0000000 --- a/man2/io_setup.2 +++ /dev/null @@ -1,114 +0,0 @@ -.\" Copyright (C) 2003 Free Software Foundation, Inc. -.\" -.\" SPDX-License-Identifier: GPL-1.0-or-later -.\" -.TH io_setup 2 2023-10-31 "Linux man-pages 6.7" -.SH NAME -io_setup \- create an asynchronous I/O context -.SH LIBRARY -Standard C library -.RI ( libc ", " \-lc ) -.P -Alternatively, Asynchronous I/O library -.RI ( libaio ", " \-laio ); -see VERSIONS. -.SH SYNOPSIS -.nf -.BR "#include <linux/aio_abi.h>" " /* Defines needed types */" -.P -.BI "long io_setup(unsigned int " nr_events ", aio_context_t *" ctx_idp ); -.fi -.P -.IR Note : -There is no glibc wrapper for this system call; see VERSIONS. -.SH DESCRIPTION -.IR Note : -this page describes the raw Linux system call interface. -The wrapper function provided by -.I libaio -uses a different type for the -.I ctx_idp -argument. -See VERSIONS. -.P -The -.BR io_setup () -system call -creates an asynchronous I/O context suitable for concurrently processing -\fInr_events\fP operations. -The -.I ctx_idp -argument must not point to an AIO context that already exists, and must -be initialized to 0 prior to the call. -On successful creation of the AIO context, \fI*ctx_idp\fP is filled in -with the resulting handle. -.SH RETURN VALUE -On success, -.BR io_setup () -returns 0. -For the failure return, see VERSIONS. -.SH ERRORS -.TP -.B EAGAIN -The specified \fInr_events\fP exceeds the limit of available events, -as defined in -.I /proc/sys/fs/aio\-max\-nr -(see -.BR proc (5)). -.TP -.B EFAULT -An invalid pointer is passed for \fIctx_idp\fP. -.TP -.B EINVAL -\fIctx_idp\fP is not initialized, or the specified \fInr_events\fP -exceeds internal limits. -\fInr_events\fP should be greater than 0. -.TP -.B ENOMEM -Insufficient kernel resources are available. -.TP -.B ENOSYS -.BR io_setup () -is not implemented on this architecture. -.SH VERSIONS -glibc does not provide a wrapper for this system call. -You could invoke it using -.BR syscall (2). -But instead, you probably want to use the -.BR io_setup () -wrapper function provided by -.\" http://git.fedorahosted.org/git/?p=libaio.git -.IR libaio . -.P -Note that the -.I libaio -wrapper function uses a different type -.RI ( "io_context_t\ *" ) -.\" But glibc is confused, since <libaio.h> uses 'io_context_t' to declare -.\" the system call. -for the -.I ctx_idp -argument. -Note also that the -.I libaio -wrapper does not follow the usual C library conventions for indicating errors: -on error it returns a negated error number -(the negative of one of the values listed in ERRORS). -If the system call is invoked via -.BR syscall (2), -then the return value follows the usual conventions for -indicating an error: \-1, with -.I errno -set to a (positive) value that indicates the error. -.SH STANDARDS -Linux. -.SH HISTORY -Linux 2.5. -.SH SEE ALSO -.BR io_cancel (2), -.BR io_destroy (2), -.BR io_getevents (2), -.BR io_submit (2), -.BR aio (7) -.\" .SH AUTHOR -.\" Kent Yoder. |