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Nix, the purely functional package manager
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Félix Baylac Jacqué fabf4a55c3 MonitorFdHup: replace pthread_cancel trick with a notification pipe 
On https://github.com/NixOS/nix/issues/8946, we faced a surprising
behaviour wrt. exception when using pthread_cancel. In a nutshell when
a thread is inside a catch block and it's getting pthread_cancel by
another one, then the original exception is bubbled up and crashes the
process.

We now poll on the notification pipe from the thread and exit when the
main thread closes its end. This solution does not exhibit surprising
behaviour wrt. exceptions.

Co-authored-by: Mic92 <joerg@thalheim.io>

Fixes https://github.com/NixOS/nix/issues/8946

See also Lix https://gerrit.lix.systems/c/lix/+/1605 which is very
similar by coincidence. Pulled a comment from that.

(cherry picked from commit 1c636284a3)
2025-03-23 23:54:09 +00:00
.github .github/ci: Use fixed names 2024-12-31 17:35:07 +01:00
contrib function-trace: always show the trace 2019-09-18 23:23:21 +02:00
doc/manual Set FD_CLOEXEC on sockets created by curl 2025-02-19 19:47:45 +00:00
maintainers monitor-fd.hh: Format 2025-03-23 23:54:08 +00:00
misc Install init system configs only when relevant 2024-12-03 16:51:01 +01:00
nix-meson-build-support packaging: use optimization level 3 and LTO by default 2025-01-01 21:59:37 -08:00
packaging packaging/everything.nix: Fix doc and man outputs 2025-03-23 11:54:09 +00:00
scripts Resolve conflict 2025-02-10 16:01:13 +01:00
src MonitorFdHup: replace pthread_cancel trick with a notification pipe 2025-03-23 23:54:09 +00:00
tests stack overflow is EvalBaseError 2025-03-21 14:12:36 +00:00
.clang-format Factor out lookupExecutable and other PATH improvments 2024-08-07 18:12:58 -04:00
.clang-tidy Add .clang-tidy 2024-02-01 01:01:39 +01:00
.dir-locals.el .dir-locals.el: Set c-block-comment-prefix 2020-07-10 11:21:06 +02:00
.editorconfig No global eval settings in libnixexpr 2024-06-24 12:15:16 -04:00
.gitignore Prune unneeded .gitignore entries 2024-12-11 16:20:29 +01:00
.mergify.yml mergify: Add automatic backport label 2025-01-20 17:11:06 +01:00
.shellcheckrc housekeeping: shellcheck for tests/functional/ca/build-cache.sh 2024-06-12 17:41:16 -04:00
.version Bump version 2025-03-05 19:34:04 +01:00
CITATION.cff chore: PhD thesis as reference in CITATION.cff 2024-05-18 20:05:22 +02:00
CONTRIBUTING.md Rename doc/manual{src -> source} 2024-10-14 11:21:24 -04:00
COPYING * Change this to LGPL to keep the government happy. 2006-04-25 16:41:06 +00:00
default.nix Format .nix files 2025-01-24 20:40:21 +01:00
docker.nix Format .nix files 2025-01-24 20:40:21 +01:00
flake.lock use libgit2 from nixpkgs 2024-12-16 16:50:58 +01:00
flake.nix packaging: Use correct stdenv for x86_64-darwin 2025-02-24 20:55:05 +00:00
HACKING.md Rename doc/manual{src -> source} 2024-10-14 11:21:24 -04:00
meson.build Add nix-flake-c, nix_flake_init_global, nix_flake_settings_new 2024-11-24 23:57:24 +01:00
meson.options Don't build the API docs in the devshell 2024-11-12 20:18:33 +01:00
precompiled-headers.h Build a minimized Nix with MinGW 2024-04-17 12:26:10 -04:00
README.md README: update CI badge 2024-08-22 23:16:14 +08:00
shell.nix Remove url literals 2022-01-24 13:28:21 +01:00

README.md

Nix

Open Collective supporters CI

Nix is a powerful package manager for Linux and other Unix systems that makes package management reliable and reproducible. Please refer to the Nix manual for more details.

Installation and first steps

Visit nix.dev for installation instructions and beginner tutorials.

Full reference documentation can be found in the Nix manual.

Building and developing

Follow instructions in the Nix reference manual to set up a development environment and build Nix from source.

Contributing

Check the contributing guide if you want to get involved with developing Nix.

Additional resources

Nix was created by Eelco Dolstra and developed as the subject of his PhD thesis The Purely Functional Software Deployment Model, published 2006. Today, a world-wide developer community contributes to Nix and the ecosystem that has grown around it.

License

Nix is released under the LGPL v2.1.