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Author SHA1 Message Date
Eelco Dolstra 7a65b2470e
Restore default signal handling in child processes 
In particular, this fixes Ctrl-C in nix-shell sessions.
 2017-02-01 13:00:21 +01:00
Eelco Dolstra 83ae6503e8
Fix interrupt handling 2017-01-26 20:40:33 +01:00
Eelco Dolstra 21948deed9
Kill builds when we get EOF on the log FD 
This closes a long-time bug that allowed builds to hang Nix
indefinitely (regardless of timeouts) simply by doing

  exec > /dev/null 2>&1; while true; do true; done

Now, on EOF, we just send SIGKILL to the child to make sure it's
really gone.
 2017-01-19 17:16:14 +01:00
Eelco Dolstra cc3b93c991
Handle SIGINT etc. via a sigwait() signal handler thread 
This allows other threads to install callbacks that run in a regular,
non-signal context. In particular, we can use this to signal the
downloader thread to quit.

Closes #1183.
 2017-01-17 18:21:02 +01:00
Eelco Dolstra 215b70f51e
Revert "Get rid of unicode quotes (#1140)" 
This reverts commit f78126bfd6. There
really is no need for such a massive change...
 2016-11-26 00:38:01 +01:00
Guillaume Maudoux f78126bfd6 Get rid of unicode quotes (#1140) 2016-11-25 15:48:27 +01:00
Eelco Dolstra 816d3e5724 Shut up some warnings 2016-10-12 15:53:38 +02:00
Eelco Dolstra c55bf085eb printMsg(lvlError, ...) -> printError(...) etc. 2016-09-21 16:54:53 +02:00
Eelco Dolstra 2fad86f361 Remove $NIX_DB_DIR 
This variable has no reason to exist, given $NIX_STATE_DIR.
 2016-08-10 18:05:35 +02:00
Shea Levy cb5e7254b6 Modernize AutoCloseFD 2016-07-11 15:44:44 -04:00
Eelco Dolstra 5761827d5b Show the log tail when a build fails 
If --no-build-output is given (which will become the default for the
"nix" command at least), show the last 10 lines of the build output if
the build fails.
 2016-04-25 19:18:45 +02:00
Eelco Dolstra 6e1b099279 Remove --print-build-trace 
This was added to support Hydra, but Hydra no longer uses it.
 2016-04-25 19:18:45 +02:00
Eelco Dolstra 41633f9f73 Improved logging abstraction 
This also gets rid of --log-type, since the nested log type isn't
useful in a multi-threaded situation, and nobody cares about the
"pretty" log type.
 2016-04-25 19:18:45 +02:00
Eelco Dolstra ab3ce1cc13 Improve SIGINT handling in multi-threaded programs 
The flag remembering whether an Interrupted exception was thrown is
now thread-local. Thus, all threads will (eventually) throw
Interrupted. Previously, one thread would throw Interrupted, and then
the other threads wouldn't see that they were supposed to quit.
 2016-03-29 16:37:16 +02:00
Eelco Dolstra 0ebe69dc67 Re-enable sync_with_stdio 
Otherwise writing to std::cerr is not thread-safe (in particular,
lines will be randomly duplicated).
 2016-03-29 16:37:16 +02:00
Eelco Dolstra f1bdeac986 Merge branch 'master' into new-cli 2016-02-25 11:25:11 +01:00
Eelco Dolstra d5626bf4c1 Pool<T>: Allow a maximum pool size 2016-02-23 16:40:16 +01:00
Eelco Dolstra 8f71bc33d5 Doh 2016-02-22 17:33:27 +01:00
Eelco Dolstra 840056af04 Make OpenSSL usage thread-safe 
OpenSSL can randomly segfault unless we register a callback function
to do locking.

https://www.openssl.org/docs/manmaster/crypto/threads.html
 2016-02-22 15:51:14 +01:00
Eelco Dolstra b3e8d72770 Merge pull request #762 from ctheune/ctheune-floats 
Implement floats
 2016-02-12 12:49:59 +01:00
Eelco Dolstra cd2196b089 Start of new Nix command-line interface 2016-02-09 21:28:29 +01:00
Eelco Dolstra 0db9e6cd1a New command line parsing infrastructure 2016-02-09 21:07:48 +01:00
Eelco Dolstra fa7cd5369b StoreAPI -> Store 
Calling a class an API is a bit redundant...
 2016-02-04 14:48:42 +01:00
Eelco Dolstra c10c61449f Eliminate the "store" global variable 
Also, move a few free-standing functions into StoreAPI and Derivation.

Also, introduce a non-nullable smart pointer, ref<T>, which is just a
wrapper around std::shared_ptr ensuring that the pointer is never
null. (For reference-counted values, this is better than passing a
"T&", because the latter doesn't maintain the refcount. Usually, the
caller will have a shared_ptr keeping the value alive, but that's not
always the case, e.g., when passing a reference to a std::thread via
std::bind.)
 2016-02-04 14:28:26 +01:00
Eelco Dolstra 9f14d7d33a printMissing(): Propagate store argument 2016-01-28 15:16:06 +01:00
Christian Theune 934642155c @eelco's feedback: downgrade to regular float for size, remove unused function. 2016-01-06 08:25:58 +01:00
Christian Theune 14ebde5289 First hit at providing support for floats in the language. 2016-01-05 00:40:40 +01:00
Eelco Dolstra 4ba6bc184c Shut up clang warnings 2015-09-18 01:22:35 +02:00
Eelco Dolstra 887bb5fa5a --version: Print some config info 
Such as whether Nix is built with signed binary cache support, and the
location of the configuration file.
 2015-07-23 14:38:00 +02:00
Eelco Dolstra db55940d9e Support systemd log severity prefixes 
This is mostly useful for hydra-queue-runner.
 2015-07-20 01:39:48 +02:00
Eelco Dolstra 13493ef97c nix-collect-garbage: Call collectGarbage() internally 2015-05-21 15:21:38 +02:00
Eelco Dolstra 8027083c3a Allow $NIX_PAGER to override $PAGER 2015-01-02 15:26:56 +01:00
Eelco Dolstra 4e0607369e Pedantry 2014-12-14 01:51:14 +01:00
Eelco Dolstra 8bdff8c100 Merge branch 'cygwin-master' of https://github.com/ternaris/nix 2014-12-14 01:49:14 +01:00
Eelco Dolstra b77037b8fd Silence some warnings on GCC 4.9 2014-12-12 17:14:28 +01:00
Eelco Dolstra 5a2d451648 Don't abort if we get a signal while waiting for the pager 2014-12-12 14:05:23 +01:00
Eelco Dolstra c56bfbe863 Provide default pagers 
Borrowed from systemd.
 2014-12-10 18:16:05 +01:00
Eelco Dolstra ad332e1718 Revert "Use posix_spawn to run the pager" 
This reverts commit d34d2b2bbf.
 2014-12-10 13:48:50 +01:00
Marko Durkovic 629e8da3aa Explicitly include required C headers 2014-12-09 13:00:59 +01:00
Eelco Dolstra 8d169b2b75 Define ‘environ’ 
http://hydra.nixos.org/build/17690555
 2014-12-05 21:05:24 +01:00
Eelco Dolstra d34d2b2bbf Use posix_spawn to run the pager 
In low memory environments, "nix-env -qa" failed because the fork to
run the pager hit the kernel's overcommit limits. Using posix_spawn
gets around this. (Actually, you have to use posix_spawn with the
undocumented POSIX_SPAWN_USEVFORK flag, otherwise it just uses
fork/exec...)
 2014-12-05 20:34:41 +01:00
Eelco Dolstra 80893a13a7 Shut up a clang warning 2014-10-31 08:49:15 +01:00
Eelco Dolstra c6849e2dee Remove redundant space in usage errors 2014-10-14 11:41:04 +02:00
Eelco Dolstra f77be20c16 printMissing(): Print derivations in approximate build order 2014-09-26 14:09:20 +02:00
Eelco Dolstra d4a71ec3bf Update spec file 
http://hydra.nixos.org/build/14344391
 2014-09-18 15:42:01 +02:00
Eelco Dolstra 8be9990cdb Install some pkgconfig files 2014-09-18 12:00:40 +02:00
Eelco Dolstra 65243ee833 Flush std::cout before closing stdout 2014-08-20 21:44:55 +02:00
Eelco Dolstra 9481f77693 Provide reasonable default flags for $LESS 
Borrowed from systemd.
 2014-08-20 21:22:41 +02:00
Eelco Dolstra 11849a320e Use proper quotes everywhere 2014-08-20 18:03:48 +02:00
Eelco Dolstra 373fad75e1 Add some color 2014-08-20 16:50:17 +02:00