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Merge pull request #12439 from MaxHearnden/cloexec

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Set FD_CLOEXEC on sockets created by curl
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Eelco Dolstra 2025-02-12 12:49:55 +01:00 • committed by GitHub
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synopsis: Set FD_CLOEXEC on sockets created by curl
issues: []
prs: [12439]
---
Curl creates sockets without setting FD_CLOEXEC/SOCK_CLOEXEC, this can cause connections to remain open forever when using commands like `nix shell`
This change sets the FD_CLOEXEC flag using a CURLOPT_SOCKOPTFUNCTION callback.