65 lines
2.5 KiB
Diff
65 lines
2.5 KiB
Diff
From 9df652778fc92db9eb371c78bc7d1691417f3a60 Mon Sep 17 00:00:00 2001
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From: Rafik Zurob <rzurob@ca.ibm.com>
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Date: Fri, 22 Jan 2021 06:51:19 -0600
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Subject: [PATCH] [llvm-jitlink] Replace use of deprecated gethostbyname by
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getaddrinfo.
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This patch replaces use of deprecated gethostbyname by getaddrinfo.
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Author: Rafik Zurob
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Reviewed By: lhames
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Differential Revision: https://reviews.llvm.org/D95477
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---
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llvm/tools/llvm-jitlink/llvm-jitlink.cpp | 28 ++++++++++++++++++++++++----
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1 file changed, 24 insertions(+), 4 deletions(-)
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diff --git a/llvm/tools/llvm-jitlink/llvm-jitlink.cpp b/llvm/tools/llvm-jitlink/llvm-jitlink.cpp
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index da4a164..108dd61 100644
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--- a/llvm/tools/llvm-jitlink/llvm-jitlink.cpp
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+++ b/llvm/tools/llvm-jitlink/llvm-jitlink.cpp
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@@ -690,15 +690,35 @@ LLVMJITLinkRemoteTargetProcessControl::ConnectToExecutor() {
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" is not a valid integer",
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inconvertibleErrorCode());
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+ addrinfo *AI;
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+ addrinfo Hints{};
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+ Hints.ai_family = AF_INET;
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+ Hints.ai_socktype = SOCK_STREAM;
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+ Hints.ai_protocol = PF_INET;
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+ Hints.ai_flags = AI_NUMERICSERV;
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+ if (getaddrinfo(HostName.c_str(), PortStr.str().c_str(), &Hints, &AI) != 0)
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+ return make_error<StringError>("Failed to resolve " + HostName + ":" +
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+ Twine(Port),
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+ inconvertibleErrorCode());
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+
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int SockFD = socket(PF_INET, SOCK_STREAM, 0);
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- hostent *Server = gethostbyname(HostName.c_str());
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sockaddr_in ServAddr;
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memset(&ServAddr, 0, sizeof(ServAddr));
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ServAddr.sin_family = PF_INET;
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- memmove(&Server->h_addr, &ServAddr.sin_addr.s_addr, Server->h_length);
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ServAddr.sin_port = htons(Port);
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- if (connect(SockFD, reinterpret_cast<sockaddr *>(&ServAddr),
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- sizeof(ServAddr)) < 0)
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+
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+ // getaddrinfo returns a list of address structures. Go through the list
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+ // to find one we can connect to.
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+ int ConnectRC = -1;
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+ for (addrinfo *Server = AI; Server; Server = Server->ai_next) {
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+ memmove(&Server->ai_addr, &ServAddr.sin_addr.s_addr, Server->ai_addrlen);
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+ ConnectRC = connect(SockFD, reinterpret_cast<sockaddr *>(&ServAddr),
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+ sizeof(ServAddr));
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+ if (ConnectRC == 0)
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+ break;
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+ }
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+ freeaddrinfo(AI);
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+ if (ConnectRC == -1)
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return make_error<StringError>("Failed to connect to " + HostName + ":" +
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Twine(Port),
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inconvertibleErrorCode());
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--
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1.8.3.1
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