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New: io_cancel manpage documented required headers are incomplete/wrong

Bug 26762 bugzilla-daemon-590EEB7GvNiWaY/[email protected] 1 participant 2 messages Jan 14, 2011 – Aug 16, 2012 1 message not in the archive Man-pages: manual pages for Linux -- Sections 2, 3, 4, 5, and 7

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https://bugzilla.kernel.org/show_bug.cgi?id=26762

Summary: io_cancel manpage documented required headers are
incomplete/wrong
Product: Documentation
Version: unspecified
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: man-pages
AssignedTo: documentation_man-pages-ztI5WcYan/[email protected]
ReportedBy: [email protected]
Regression: No

io_cancel(2) claims:

IO_CANCEL(2) Linux Programmer’s Manual IO_CANCEL(2)

NAME
io_cancel - cancel an outstanding asynchronous I/O operation

SYNOPSIS
#include <libaio.h>

int io_cancel(aio_context_t ctx_id, struct iocb *iocb,
struct io_event *result);

Link with -laio.

This doesn't compile though:

$ gcc -c test_iocancel.c
test_iocancel.c: In function ‘main’:
test_iocancel.c:5: error: ‘aio_context_t’ undeclared (first use in this
function)
test_iocancel.c:5: error: (Each undeclared identifier is reported only once
test_iocancel.c:5: error: for each function it appears in.)
test_iocancel.c:5: error: expected ‘;’ before ‘ctx’
test_iocancel.c:9: error: ‘ctx’ undeclared (first use in this function)
$ cat test_iocancel.c 
#include <libaio.h>
int
main(void)
{
    aio_context_t ctx;
    struct iocb cb;
    struct io_event res;
    return io_cancel(ctx, &cb, &res);
}
$ grep -r aio_context_t /usr/include/
/usr/include/linux/aio_abi.h:typedef unsigned long    aio_context_t;
$

The manpages are based off of Fedora 13, as is the image that I'm currently running in VMware fusion.

$ yum list installed libaio
Loaded plugins: presto, refresh-packagekit
Installed Packages
libaio.i686                 0.3.109-2.fc13                
@released/$releasever
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#2 lore raw

[Bug 26762] io_cancel manpage documented required headers are incomplete/wrong

In reply to a message not in the archive

https://bugzilla.kernel.org/show_bug.cgi?id=26762

Michael Kerrisk <[email protected]> changed:

What |Removed |Added
----------------------------------------------------------------------------

             Status|NEW                         |RESOLVED
                 CC|                            |[email protected]
         Resolution|                            |OBSOLETE

--- Comment #1 from Michael Kerrisk <[email protected]> 2012-08-16 06:25:44 --- There have been various recent changes to the io_* man pages which I think
probably address this report. If, after checking the latest version of the
pages, you believe otherwise, please re-open. Closing for now.

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