Hi Alex. On 4/4/21 1:58 PM, Alejandro Colomar wrote: > In this case there's a wrapper provided by libaio, > but this page documents the raw kernel syscall. Okay. Patch applied. Thanks, Michael > > Signed-off-by: Alejandro Colomar <alx.manpages@xxxxxxxxx> > --- > man2/io_cancel.2 | 16 ++++++---------- > 1 file changed, 6 insertions(+), 10 deletions(-) > > diff --git a/man2/io_cancel.2 b/man2/io_cancel.2 > index e09984ecd..248fe5791 100644 > --- a/man2/io_cancel.2 > +++ b/man2/io_cancel.2 > @@ -9,14 +9,13 @@ > io_cancel \- cancel an outstanding asynchronous I/O operation > .SH SYNOPSIS > .nf > -.BR "#include <linux/aio_abi.h>" " /* Defines needed types */" > +.BR "#include <linux/aio_abi.h>" " /* Definition of needed types */" > +.BR "#include <sys/syscall.h>" " /* Definition of " SYS_* " constants */" > +.B #include <unistd.h> > .PP > -.BI "int io_cancel(aio_context_t " ctx_id ", struct iocb *" iocb , > -.BI " struct io_event *" result ); > +.BI "int syscall(SYS_io_cancel, aio_context_t " ctx_id ", struct iocb *" iocb , > +.BI " struct io_event *" result ); > .fi > -.PP > -.IR Note : > -There is no glibc wrapper for this system call; see NOTES. > .SH DESCRIPTION > .IR Note : > this page describes the raw Linux system call interface. > @@ -68,10 +67,7 @@ The asynchronous I/O system calls first appeared in Linux 2.5. > is Linux-specific and should not be used > in programs that are intended to be portable. > .SH NOTES > -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 > +You probably want to use the > .BR io_cancel () > wrapper function provided by > .\" http://git.fedorahosted.org/git/?p=libaio.git > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/
