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unistd: add fchdir(2)
This introduces a wrapper for fchdir(2), allowing a process to change
directory based on an open file descriptor.
The underlying function is available in libc crate since 0.2.20.
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This introduces a wrapper for fchdir(2), allowing a process to change
directory based on an open file descriptor.
The underlying function is available in libc crate since 0.2.20.
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Gethostname sethostname updates
These changes have been previously discussed some with #452 but we decided it made sense to separate things out a bit more.
r? @kamalmarhubi @fiveop
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Baed on discussions on the related PR, sethostname now takes
an `S: AsRef<OsStr>` in order to allow for a greater range of inputs
that allow for a more fluid interface.
Signed-off-by: Paul Osborne <osbpau@gmail.com>
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Previously gethostname just mutated a buffer. We now provide
a slightly more usable (but still allocation free) API that ensures
that the returned buffer is NUL-terminated. We give back a `&CStr`
instead of requiring that the user do all of the conversions from
`&[u8]` when we know we are dealing with a `&CStr`.
Signed-off-by: Paul Osborne <osbpau@gmail.com>
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Although the underlying C API does take a pointer to a set of
characters, it is a requirement of almost every operating system
that these bytes not contain a premature NUL character or other
special characters. In other words, you want a `&str`. Changing
this to make the API make a bit more sense.
Signed-off-by: Paul Osborne <osbpau@gmail.com>
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fix #480 and add simple test cases for that.
r? @fiveop
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Fix ControlMessage::encode_into when encoding multiple messages
copy_bytes updates dst so that it points after the bytes that were just
copied into it. encode_into did not advance the buffer in the same way
when encoding the data.
See #473
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fix build for eventfd feature
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Always use libc's socketaddr_storage
Since rust-lang/rust#23425 is closed, we no longer need the special
case.
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Since rust-lang/rust#23425 is closed, we no longer need the special
case.
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Add support for system control sockets for XNU
I added support for macOS and iOS system sockets, which can be used to control the kernel as described [here](https://developer.apple.com/library/content/documentation/Darwin/Conceptual/NKEConceptual/control/control.html).
To do this, I had to add in support for `ioctl` on those platforms, so I added in `ioctl` support for all BSD-based platforms. The API seems to be the same between [xnu](https://opensource.apple.com/source/xnu/xnu-3248.60.10/bsd/sys/ioccom.h.auto.html), [FreeBSD](https://github.com/freebsd/freebsd/blob/master/sys/sys/ioccom.h), [NetBSD](https://ftp.netbsd.org/pub/NetBSD/NetBSD-current/src/sys/sys/ioccom.h), [OpenBSD](http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/sys/sys/ioccom.h?rev=1.5&content-type=text/x-cvsweb-markup) and [Dragonfly BSD](http://gitweb.dragonflybsd.org/dragonfly.git/blob/HEAD:/sys/sys/ioccom.h).
I added a test that runs on macOS and iOS for the functionality. Let me know if I need to make any changes!
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Ensure child stack passed to clone is 16 byte aligned.
The current implementation assumes that the array passed by the caller is word aligned (which I don't think Rust guarantees for [u8]) and a multiple of the word size.
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Added getpgrp
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r? @fiveop
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copy_bytes updates dst so that it points after the bytes that were just
copied into it. encode_into did not advance the buffer in the same way
when encoding the data.
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Add link to release documentation
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Allow failures of 1.7 builds
Libraries we depend on need newer versions of Rust. The current
stable release is 1.13.
This also disables the CI for the platforms/architectures MIPS, ARM
and Android. This cannot be helped as long as the test infrastructure
only runs on 1.7.
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Libraries we depend on need newer versions of Rust. The current
stable release is 1.13.
This also disables the CI for the platforms/architectures MIPS, ARM
and Android. This cannot be helped as long as the test infrastructure
only runs on 1.7.
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Timespec
Make TimeVal an opaque Newtype, and add another Newtype for Timespec.
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Also, fix the TimeSpec::cmp and TimeVal::cmp methods, and fix some
formatting
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Fixed typo in tcsetpgrp
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Also, add trait TimeValLike, so some code can be shared between TimeSpec
and TimeVal.
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By exposing its members, nix allowed users to create denormalized
TimeVals, which don't work with the derived() Eq and Ord methods.
Better to make TimeVal opaque, so it will always be normalized.
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Fix multiple issues with Unix domain sockets
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test_getsockname used an IPv4 socket and assumed that localhost was
"127.0.0.1". But that assumption doesn't hold on IPv6-only hosts or on
shared-IP FreeBSD jails. Unfortunately, the Rust standard library
doesn't provide a good way to resolve localhost. So change the test to
use a unix-domain socket instead.
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There were multiple errors regarding Unix domain sockets:
* UnixAddr::path assumed that gethostbyname and similar functions would
include the terminating null as part of len. That is not universally
true. In fact, POSIX only guarantees that len will be at least large
enough to store the non-null-terminated path. So it could be larger or
smaller than nix was assuming. Since abstract sockets' paths are not
strings, we can't modify gethostbyname. Instead, I implemented the fix in
UnixAddr::path and UnixAddr::new. I clarified the documentation too.
* SockAddr::as_ffi_pair contained a Linuxism.
* sockaddr_storage_to_addr forgot to adjust sun_len when creating a UnixAddr
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