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Questions tagged [getaddrinfo-a]

In the Windows API, the getaddrinfo() function provides protocol-independent translation from an ANSI host name to an address.

8 questions
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1 answer

How to use getaddrinfo_a to do async resolve with glibc

An often overlooked function that requires no external library, but basically has no documentation whatsoever.
sztanpet
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1 answer

Slow response from getaddrinfo

I'm using getaddrinfo to do DNS queries from C++ on Windows. I used to use the Windows API DnsQuery and that worked fine, but when adding IPv6 support to my software I switched to getaddrinfo. Since then, I've seen the following: My problem is that…
Nitramk
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Is there a non blocking method for host resolution in WINAPI?

There's getaddrinfo() for blocking host resolution, but is there a non blocking method?
Plumenator
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2
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1 answer

gai_cancel() takes a really long time to succeed

I am trying to look up domain asynchronously in c++. The reason is I want to be able to effectively add a time out period in case the system can't look up the domain. I came across the getaddrinfo_a() command so I decided to give it a try. However…
ktb92677
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2
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3 answers

multiple valgrind errors: Conditional jump or move depends on uninitialised value(s)

I'm running Valgrind and I'm getting the following error (this is not the only one): ==21743== Conditional jump or move depends on uninitialised value(s) ==21743== at 0x4A06509: index (mc_replace_strmem.c:164) ==21743== by 0x33B7CBB3CD:…
Hristo
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1
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2 answers

BAD_ACCESS on very low number of users during getaddrinfo

Okay, I am completely at a loss here. A small percentage of users seem to have BAD_ACCESS errors in my hostname translation. The complete crash below: Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: 0x000000000000000d,…
Ger Teunis
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0
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1 answer

Should I think about linked list returned by getaddrinfo when I get addrinfo for my "home" server

I created a server using sockets that runs on my home network. socket address=192.168.88.123:7777 When I call getaddrinfo() function I put "192.168.88.123" as first parameter and "7777" as second and also some hints (AF_INET, SOCK_STREAM) and…
Діма Лучик
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1 answer

Problem with function getaddrinfo

I use function getaddrinfo to get the ip address of domain name, OS = linux, language = c++. I noticed that when the ethernet cable is unplugged that function can block thread for 30 seconds (function doesn't return within 30 seconds). It's too long…
EBA
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