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Kernel: Fix a bad printf, and stub out SO_ERROR a bit more fully

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links requests SO_ERROR, so in not supporting it, things were unhappy.
Supporting this properly looks a little messy. I guess Socket will need
an m_error member it sets everywhere it returns an error. Or Syscall
could set it, perhaps, but I don't know if that's the right thing to
do, so let's just stub this for now and file a bug.
This commit is contained in:
Robin Burchell 2019-05-29 21:59:50 +02:00 committed by Andreas Kling
parent 3ffb2ad4e0
commit a906098579
Notes: sideshowbarker 2024-07-19 13:51:01 +09:00 
Author: https://github.com/rburchell
Commit: https://github.com/SerenityOS/serenity/commit/a9060985797
Pull-request: https://github.com/SerenityOS/serenity/pull/145
Reviewed-by: https://github.com/awesomekling ✅
2 changed files with 10 additions and 1 deletions
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9
Kernel/Net/Socket.cpp
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@ -97,8 +97,15 @@ KResult Socket::getsockopt(int level, int option, void* value, socklen_t* value_
*(timeval*)value = m_receive_timeout;
*value_size = sizeof(timeval);
return KSuccess;
case SO_ERROR:
if (*value_size < sizeof(int))
return KResult(-EINVAL);
kprintf("%s(%u): getsockopt() SO_ERROR: WARNING! I have no idea what the real error is, so I'll just stick my fingers in my ears and pretend there is none! %d\n", current->process().name().characters(), option);
*(int*)value = 0;
*value_size = sizeof(int);
return KSuccess;
default:
kprintf("%s(%u): getsockopt() at SOL_SOCKET with unimplemented option %d\n", option);
kprintf("%s(%u): getsockopt() at SOL_SOCKET with unimplemented option %d\n", current->process().name().characters(), option);
return KResult(-ENOPROTOOPT);
}
}

2
Kernel/UnixTypes.h
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@ -335,6 +335,8 @@ struct pollfd {
#define SO_RCVTIMEO 1
#define SO_SNDTIMEO 2
#define SO_KEEPALIVE 3
#define SO_ERROR 4
#define IPPROTO_ICMP 1
#define IPPROTO_TCP 6