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This brings them in alignment with other things republished from
the OS specific nix::sys::signal::signal.
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glibc defines this constant as "the total number of signals defined.
Since the signal numbers are allocated consecutively, NSIG is also one
greater than the largest defined signal number."
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specific SO_PEERCRED
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* Implement `Default`
* Add documentation
* Add some convenience wrappers
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The returned length of AF_UNIX sockaddrs is significant, and generally
does not match the length of the entire structure. For filesystem
sockets, this is ignorable because the path is also NUL-terminated, but
for unbound sockets (e.g., a socketpair) or abstract-namespace
sockets (a Linux extension where the address is an arbitrary
bytestring), we need to keep track of the length.
Fixes #177. Also add a UnixAddr::new_abstract function and some better
handling of abstract-namespace socket addresses to fix #169.
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The best specification for control message layout appears to be
[RFC 2292, section 4](https://tools.ietf.org/html/rfc2292#section-4),
despite this not being a wire protocol. These definitions have also been
checked against glibc 2.19 <bits/socket.h> and Linux 4.0
<linux/socket.h>, and tested on Debian 8.1 and FreeBSD 10.2 x86_64.
The API differs a bit from the cmsg(3) API for type-safety reasons (and
also because the cmsg(3) API is terrible). See test/sys/test_socket.rs
for an example.
Only supports SCM_RIGHTS at the moment.
Fixes #88.
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This allows to specify no timeout and allows to specify any timespec
timeout.
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This reverts commit 046af7d1ba82506f9bc48e62ac0584361025fc02.
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The best specification for control message layout appears to be
[RFC 2292, section 4](https://tools.ietf.org/html/rfc2292#section-4),
despite this not being a wire protocol. These definitions have also been
checked against glibc 2.19 <bits/socket.h> and Linux 4.0
<linux/socket.h>, and tested on Debian 8.1 and FreeBSD 10.2 x86_64.
The API differs a bit from the cmsg(4) API for type-safety reasons (and
also because the cmsg(4) API is terrible). See test/sys/test_socket.rs
for an example.
Only supports SCM_RIGHTS at the moment.
Fixes #88.
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Consumers of the API may control visibility by means of a module. The
following is a useful pattern that may be used by implementors (here for
a couple of i2cdev ioctl definitions):
mod ioctl {
ioctl!(bad set_i2c_slave_address with super::I2C_SLAVE);
ioctl!(bad i2c_smbus with super::I2C_SMBUS);
}
This resolves #184.
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Readability was unecessarily impaired via a myriad of attributes to
hide constants from the documentation. If these attributes are exposed
publically, including them in the documentation makes sense.
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These had ior! rather than iow! previously. ior! is obviously
not correct for write operations.
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if code incorporating these macros wants to publicly export the
functions they may do so by doing the following:
pub ioctl!(...);
Since the functions are unsafe, in many cases exposing the functions
publicly will not be desirable.
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This change also adds macro usages in the tests. Nothing is asserted
but the use of the macros provides a basic compile-time check that
is otherwise missing.
Signed-off-by: Paul Osborne <osbpau@gmail.com>
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This PR fixes the issue upstream https://github.com/rust-lang/rust/pull/26809
but no version 0.2.0 of the crate has been published as of yet.
Signed-off-by: Paul Osborne <osbpau@gmail.com>
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This is more type-safe. Also, the old code wasn't cross-platform at all even
though it claimed to be. It wasn't even portable across architectures on
Linux.
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