From: "Alejandro Colomar (man-pages)" <alx.manpages@gmail.com>
To: "Pali Rohár" <pali@kernel.org>
Cc: "Marek Behún" <kabel@kernel.org>,
libc-alpha@sourceware.org,
"G. Branden Robinson" <g.branden.robinson@gmail.com>,
linux-man@vger.kernel.org,
"Michael Kerrisk" <mtk.manpages@gmail.com>
Subject: Re: [PATCH v3] ioctl_tty.2: Fix information about header include file
Date: Fri, 10 Sep 2021 21:47:41 +0200 [thread overview]
Message-ID: <22f92414-8aa2-9102-793b-e9038607d5dc@gmail.com> (raw)
In-Reply-To: <20210910173949.bkyunodbtau2gg6j@pali>
Hi Pali,
On 9/10/21 7:39 PM, Pali Rohár wrote:
> On Tuesday 31 August 2021 22:28:09 Pali Rohár wrote:
>> Header file termios.h contains incompatible definitions for linux ioctl
>> calls. Correct definitions are exported by header file linux/termios.h but
>> this file conflicts with sys/ioctl.h header file (required for ioctl()
>> call). Therefore include direct asm header file asm/termbits.h which
>> contains compatible definitions and structures for ioctl calls.
>>
>> Signed-off-by: Pali Rohár <pali@kernel.org>
>
> Hello Alejandro! Could you check also this patch?
Sure, patch applied!
BTW, if at some point you feel like adding entries for termios and
termios2 into system_data_types(7), I'll be happy to merge those!!
Thank you!
Alex
>
>> ---
>> Changes in v3:
>> * Use .I <file> instead of .B #include <file>
>> * Use Bnnn instead of Bnn
>>
>> Changes in v2:
>> * Reformat SYNOPSIS for 80 chars per line
>> ---
>> man2/ioctl_tty.2 | 19 +++++++++++++++++--
>> 1 file changed, 17 insertions(+), 2 deletions(-)
>>
>> diff --git a/man2/ioctl_tty.2 b/man2/ioctl_tty.2
>> index 186011ee7c33..7d866867c6bd 100644
>> --- a/man2/ioctl_tty.2
>> +++ b/man2/ioctl_tty.2
>> @@ -11,8 +11,10 @@ ioctl_tty \- ioctls for terminals and serial lines
>> .SH SYNOPSIS
>> .nf
>> .B #include <sys/ioctl.h>
>> -.BR "#include <termios.h>" " /* Definition of " CLOCAL ", and"
>> -.BR " TC*" { FLUSH , ON , OFF "} constants */"
>> +.BR "#include <asm/termbits.h>" " /* Definition of " "struct termios" ,
>> +.BR " struct termios2" ", and"
>> +.BR " Bnnn" ", " BOTHER ", " CBAUD ", " CLOCAL ,
>> +.BR " TC*" { FLUSH , ON , OFF "} and other constants */"
>> .PP
>> .BI "int ioctl(int " fd ", int " cmd ", ...);"
>> .fi
>> @@ -31,6 +33,19 @@ makes for nonportable programs.
>> Use the POSIX interface described in
>> .BR termios (3)
>> whenever possible.
>> +.PP
>> +Please note that
>> +.B struct termios
>> +from
>> +.I <asm/termbits.h>
>> +is different and incompatible with
>> +.B struct termios
>> +from
>> +.IR <termios.h> .
>> +These ioctl calls require
>> +.B struct termios
>> +from
>> +.IR <asm/termbits.h> .
>> .SS Get and set terminal attributes
>> .TP
>> .B TCGETS
>> --
>> 2.20.1
>>
--
Alejandro Colomar
Linux man-pages comaintainer; https://www.kernel.org/doc/man-pages/
http://www.alejandro-colomar.es/
prev parent reply other threads:[~2021-09-10 19:47 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-30 10:53 [PATCH] ioctl_tty.2: Fix information about header include file Pali Rohár
2021-07-30 12:02 ` Alejandro Colomar (man-pages)
2021-07-30 13:05 ` [PATCH v2] " Pali Rohár
2021-08-08 8:26 ` Alejandro Colomar (man-pages)
2021-08-31 20:28 ` [PATCH v3] " Pali Rohár
2021-09-10 17:39 ` Pali Rohár
2021-09-10 19:47 ` Alejandro Colomar (man-pages) [this message]
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