Date: Sun, 5 Dec 2021 20:54:36 +0200 From: Konstantin Belousov <kostikbel@gmail.com> To: Yuri <yuri@rawbw.com> Cc: Mateusz Guzik <mjguzik@gmail.com>, Freebsd hackers list <freebsd-hackers@freebsd.org> Subject: Re: Is it possible to determine the open file path based on the file descriptor? Message-ID: <Ya0K7NelXkKtFtx%2B@kib.kiev.ua> In-Reply-To: <656bf089-bcc9-748a-6db2-52f3707e863c@rawbw.com> References: <21b0280d-c290-f27f-98a9-0c2242380718@rawbw.com> <CAGudoHEjFvt4nijEUj0FwN0CTYmuxuqvSbiMefTeMvrXeuEkJg@mail.gmail.com> <CAGudoHHE7UcNsT5hB8zRwhjABBCP2-rtFcuHE=dhmPwvf=6XgA@mail.gmail.com> <5a00f93e-21a1-47ab-6e8e-15d24840c525@rawbw.com> <CAGudoHHpaKEo9ZfHEGrRgLE6RknM_KbmN1B5cx2%2B6jNsDzgY1A@mail.gmail.com> <20200708175300.GA2866@kib.kiev.ua> <656bf089-bcc9-748a-6db2-52f3707e863c@rawbw.com>
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On Sun, Dec 05, 2021 at 09:53:23AM -0800, Yuri wrote: > On 7/8/20 10:53, Konstantin Belousov wrote: > > I think an immediately useful addition would be a sysctl or fcntl that > > return struct kinfo_file for single file descriptor. > > > There is another project that resolves file descriptors to file names: > > https://github.com/PixarAnimationStudios/USD/blob/release/pxr/base/arch/fileSystem.cpp#L470 > > > Maybe it makes sense to provide a sysctl or fcntl that would return a list > of paths for a given file descriptor? > > I opened the PR for this: > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=260241 > https://reviews.freebsd.org/D33277
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