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A modern, delicious implementation of the Nix package manager, focused on correctness, usability, and growth — and committed to doing right by its community
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Robert Hensing c3b942e0fc Don't hold interruptCallbacks lock during interrupt handling 
This changes the representation of the interrupt callback list to
be safe to use during interrupt handling.

Holding a lock while executing arbitrary functions is something to
avoid in general, because of the risk of deadlock.

Such a deadlock occurs in https://github.com/NixOS/nix/issues/3294
where ~CurlDownloader tries to deregister its interrupt callback.

This happens during what seems to be a triggerInterrupt() by the
daemon connection's MonitorFdHup thread. This bit I can not confirm
based on the stack trace though; it's based on reading the code,
so no absolute certainty, but a smoking gun nonetheless.
2022-02-06 13:53:28 +01:00
.github Use the nix command (and flakes) in the CI 2022-01-26 16:41:37 +01:00
config Run autoupdate 2021-06-01 11:42:38 +02:00
contrib function-trace: always show the trace 2019-09-18 23:23:21 +02:00
doc/manual Merge branch 'master' into bundler_drv 2022-01-28 10:18:29 -05:00
m4 autoconf: Fix C++17 detection not working on Ubuntu 16.04. 2019-07-03 04:32:25 +02:00
maintainers Update release script 2021-11-02 11:53:25 +01:00
misc completions: pipe stderr to /dev/null 2022-02-04 22:43:16 +01:00
mk mk/libraries.mk: fix trace-ld and trace-ar expansions 2021-10-08 22:59:42 +01:00
perl Document libsodium, which is now mandatory, as a dependency 2021-11-27 23:11:11 +01:00
scripts install-darwin: dodge bash 3.2 command bug 2022-01-21 10:47:06 -06:00
src Don't hold interruptCallbacks lock during interrupt handling 2022-02-06 13:53:28 +01:00
tests Merge pull request #6042 from pennae/fix-repl-a 2022-02-06 13:17:58 +01:00
.dir-locals.el .dir-locals.el: Set c-block-comment-prefix 2020-07-10 11:21:06 +02:00
.editorconfig Add .editorconfig 2017-06-05 22:57:28 +01:00
.gitignore Added result and .vscode to gitignore 2022-01-15 19:17:40 -08:00
.version Bump version 2022-01-25 00:14:59 +01:00
boehmgc-coroutine-sp-fallback.diff Fix leaking pthread_attr_t 2021-11-03 22:54:16 +01:00
bootstrap.sh bootstrap: Simplify & make more robust. 2011-09-06 12:11:05 +00:00
configure.ac Require lowdown 0.9.0 2022-02-01 10:44:19 +01:00
COPYING * Change this to LGPL to keep the government happy. 2006-04-25 16:41:06 +00:00
default.nix Remove url literals 2022-01-24 13:28:21 +01:00
docker.nix docker: var/tmp make add -p option to mkdir to also create parent dirs 2022-01-15 14:11:37 +01:00
flake.lock Add regression / performance tests against a fixed revision of Nixpkgs 2022-01-25 00:07:30 +01:00
flake.nix Use the nix command (and flakes) in the CI 2022-01-26 16:41:37 +01:00
local.mk Remove 'dist' target 2020-12-03 16:17:58 +01:00
Makefile Stop vendoring nlohmann_json 2022-01-26 11:50:53 +01:00
Makefile.config.in use LOWDOWN_LIBS variable 2022-01-30 20:59:58 +02:00
precompiled-headers.h Config: Use nlohmann/json 2020-08-20 11:02:16 +02:00
README.md throw freenode down the memory hole 2021-05-27 21:48:39 +02:00
shell.nix Remove url literals 2022-01-24 13:28:21 +01:00

README.md

Nix

Open Collective supporters Test

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

On Linux and macOS the easiest way to install Nix is to run the following shell command (as a user other than root):

$ curl -L https://nixos.org/nix/install | sh

Information on additional installation methods is available on the Nix download page.

Building And Developing

See our Hacking guide in our manual for instruction on how to build nix from source with nix-build or how to get a development environment.

Additional Resources

License

Nix is released under the LGPL v2.1.