On 2/28/2019 8:06 AM, Andrea Venturoli wrote:
On 2/28/19 2:23 PM, Martin Simmons wrote:
That suggests the function accept4 was defined at compile time by
fails with
errno=38 (ENOSYS) at run time.
I don't know what to answer.
I'm not competent enough to understand the difference between the two; I
cannot also tell why it is defined and why it does not work.
It looks like accept(4) is a gnu-ism that takes a couple of convenience
flags and falls back on accept() if the flags are 0. Arguably it's an
error between the programmer's chair and keyboard: by using a
non-standard extension that at best saves you a couple of extra lines of
code, they lost portability to non-glibc systems including presumable
musl-based linux distros.
But hey, we don't need portable C: ./configure libtool will figure it
all out for us.
Dima
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