/etc/resolv.conf caching bug fixed in glibc

[Sebastian Huber]

Hello Jack,

On 03/08/17 17:33, Jack O'Connor wrote:
> Glibc just released version 2.26, with the following note under "major
> new features":
>
>> The GNU C Library will now detect when /etc/resolv.conf has been modified and reload the changed configuration.

Newlib has no networks stack included. It is usually provided by the 
operating systems that use Newlib. On RTEMS for example we use the 
FreeBSD network stack. The FreeBSD resolver checks the 
"/etc/resolv.conf" at most every two seconds (configurable). See

https://github.com/freebsd/freebsd/blob/master/lib/libc/resolv/res_state.c#L67

-- 
Sebastian Huber, embedded brains GmbH

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