Date: Tue, 5 Aug 2008 16:30:09 GMT From: Chagin Dmitry <chagin.dmitry@gmail.com> To: freebsd-emulation@FreeBSD.org Subject: Re: ports/126232: Linux ioctl TCGETS (0x5401) Message-ID: <200808051630.m75GU9BL080025@freefall.freebsd.org>
next in thread | raw e-mail | index | archive | help
The following reply was made to PR ports/126232; it has been noted by GNATS. From: Chagin Dmitry <chagin.dmitry@gmail.com> To: bug-followup@freebsd.org, yuri@tsoft.com Cc: dchagin@freebsd.org Subject: Re: ports/126232: Linux ioctl TCGETS (0x5401) Date: Tue, 5 Aug 2008 20:27:44 +0400 (MSD) > > Description: > I've ran ktrace(1) on some Linux application and noticed that it has a > lot calls like this: > 97754 app CALL linux_ioctl(0xf,0x5401 ,0xbfbfbc78) > 97754 app RET linux_ioctl -1 errno 25 Inappropriate ioctl for device > 0x5401 stands for TCGETS on Linux. As I understand this ioctl is > obsolete > and is replaced by tcgetattr() (?). Actually it not absolutelly so, tcgetattr() it is a glibc function which uses ioctl TCGETS inside. > It's better to not return errno but to do what tcgetattr() does. > This will take out one more potential point of failure for some Linux > apps. I think that the author should give more information, at least explain on what specifies a file descriptor. thnx! -- Have fun! chd
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200808051630.m75GU9BL080025>