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84 Commits

Author SHA1 Message Date
ridiculousfish
6db82c162c Clean up some job status messages 
Stop printing anything for jobs terminated via ^C.
Don't list the job number if it's the only job.

Fixes #1119
 2014-11-03 10:56:16 -08:00
ridiculousfish
b0e09303a6 Reintroduce "Stop reaping children from SIGCHLD handler" 
This re-introduces 3fe1069219
with some associated fixes to address #1768.
 2014-10-25 16:51:25 -07:00
ridiculousfish
315ff1e712 Revert "Stop reaping children from SIGCHLD signal handler" 
This reverts commit 3fe1069219.

In light of #1768
 2014-10-21 11:33:22 -07:00
ridiculousfish
3fe1069219 Stop reaping children from SIGCHLD signal handler 
Prior to this fix, a child process may be reaped in one of two ways:
1. By a call to waitpid() within job_continue
2. By a call to waitpid() within the SIGCHLD signal handler

Only the second call was with the WNOHANG option. Thus if the signal
handler fired first, and then the waitpid call fired, we could get a
deadlock because we'd end up waiting on a long-running process. I have
not been able to reproduce this on fish 1.x, though it seems like it
ought to reproduce there too.

This fix migrates the waitpid() call out of the signal handler; the
second class of calls moves to job_reap. This eliminates the possibility
of a race, because we check for job completion before calling waitpid,
and there is no longer the possibility of the job being marked as
complete asynchronously. It also results in a massive conceptual
simplification, since the signal handler is now very simple and easy to
reason about (no more walking jobs lists, etc).

This partially fixes a bug reported in #1273
 2014-10-20 15:50:54 -07:00
Kevin Ballard
4568359e27 Remove some obsolete job flags 
These flags were used by the old parser, but not by the new one.
 2014-10-13 18:33:55 -07:00
Kevin Ballard
489fb7ec3f Expunge INTERNAL_BLOCK from the codebase 
It's a relic of the old parser, and isn't used anymore.
 2014-09-30 17:20:46 -07:00
ridiculousfish
e5aa06991e Remove INTERNAL_BUFFER, which was only used by fish_pager 2014-09-22 10:16:16 -07:00
ridiculousfish
53814983ff Update style and formatting to conform to fish style guide. 2014-01-15 01:40:40 -08:00
ridiculousfish
6ce4b344e4 Hook up for statements, if statements, and function definition in new 
parser
 2013-12-27 01:38:43 -08:00
ridiculousfish
924b8cbe24 New ideas about how to use new parser for execution. Beginnings of 
implementation.
 2013-12-26 12:24:00 -08:00
ridiculousfish
739e529416 Initial flailing around trying to adopt new parser for actual execution 2013-12-20 14:37:40 -08:00
ridiculousfish
964c7e6f3b Merge branch 'master' into ast 
Conflicts:
	complete.cpp
 2013-10-27 13:37:14 -07:00
ridiculousfish
cf766b55cc Fix formatting 2013-10-26 15:27:39 -07:00
ridiculousfish
dd91779442 Merge branch 'master' into ast_no_templates 
Conflicts:
	configure.ac
	exec.cpp
 2013-10-06 13:08:57 -07:00
ridiculousfish
4899086b3c Big fat refactoring of how redirections work. In fish 1.x and 2.0.0, the redirections for a process were flattened into a big list associated with the job, so there was no way to tell which redirections applied to each process. Each process therefore got all the redirections associated with the job. See https://github.com/fish-shell/fish-shell/issues/877 for how this could manifest. 
With this change, jobs only track their block-level redirections. Process level redirections are correctly associated with the process, and at exec time we stitch them together (block, pipe, and process redirects).

This fixes the weird issues where redirects bleed across pipelines (like #877), and also allows us to play with the order in which redirections are applied, since the final list is constructed right before it's needed.  This lets us put pipes after block level redirections but before process level redirections, so that a 2>&1-type redirection gets picked up after the pipe, i.e. it should fix https://github.com/fish-shell/fish-shell/issues/110

This is a significant change. The tests all pass. Cross your fingers.
 2013-08-19 18:06:24 -07:00
ridiculousfish
e849beabba Initial work towards various IO cleanups with an eye to fixing https://github.com/fish-shell/fish-shell/issues/110 2013-08-19 18:06:24 -07:00
ridiculousfish
66af0c1a53 More work on the AST. block statements worked out a bit more. 2013-06-24 12:33:40 -07:00
ridiculousfish
5d75ee7721 Mark jobs as completed when all processes have finished, not just the last one. 
Fixes https://github.com/fish-shell/fish-shell/issues/876 , and coincidentally also https://github.com/fish-shell/fish-shell/issues/848
 2013-06-16 02:53:53 -07:00
Cheer Xiao
e411bac592 Fix comments in proc.h (spelling, wording, format) 2013-02-03 09:33:26 +08:00
ridiculousfish
1879dc4b59 Initial set of changes working to make fish robust against running out of file descriptors 2013-01-30 02:22:38 -08:00
Cheer Xiao
8f045b9ec5 Fix spelling: s/circut/circuit/g 2013-01-24 19:20:06 +08:00
ridiculousfish
9992b8eb0e Apply new indentation, brace, and whitespace style 2012-11-18 16:30:30 -08:00
Łukasz Niemier
47df1ae40a Remove trailing whitespaces and change tabs to spaces 2012-11-18 11:23:22 +01:00
ridiculousfish
425afa63ce Don't use posix_spawn when file redirections are involved (except /dev/null) because the error handling is too difficult 
Fix exec to correctly handle the case where a pid could not be created due to posix_spawn failing
Should fix https://github.com/fish-shell/fish-shell/issues/364
 2012-10-29 01:45:51 -07:00
ridiculousfish
cc1395797e First stab at elseif implementation 2012-09-01 01:46:14 -07:00
ridiculousfish
61686aff34 Adopt posix_spawn (!) 
Rewrite IO chains to be a vector of pointers, instead of a linked list
Removed io_transmogrify
 2012-08-15 00:57:56 -07:00
ridiculousfish
84729c4dfa Additional warnings cleanup, effective C++ violations, dead code removal 2012-08-05 13:24:33 -07:00
ridiculousfish
b08fb86637 Renamed env_vars to env_vars_snapshot_t 
Cleanup of non-wcstring version of path_get_path
 2012-07-20 20:39:31 -07:00
ridiculousfish
69446be1ee Signal handling cleanup and improved safety 
Fixes issue where you couldn't control-C out of a loop (https://github.com/ridiculousfish/fishfish/issues/13)
Also stops doing memory allocation in the signal handler (oops) https://github.com/ridiculousfish/fishfish/issues/27
 2012-06-04 14:20:01 -07:00
ridiculousfish
268fb37517 Cleanup proc_had_barrier 
Ensure we don't try to do a universal barrier off of the main thread
 2012-03-31 15:33:34 -07:00
ridiculousfish
d173bb6e0a A bunch of changes working towards eliminating all memory allocation after fork() 2012-03-08 23:21:07 -08:00
ridiculousfish
8ada404c5f More work towards improving relationship between multithreading and fork 2012-02-29 16:14:51 -08:00
ridiculousfish
ebba30d671 Fix a "class <-> struct" warning with clang++ 2012-02-29 16:14:51 -08:00
ridiculousfish
909d24cde6 More work on improving interaction between fork and pthreads. Added null_terminated_array_t class. 2012-02-29 16:14:51 -08:00
ridiculousfish
fdfa5c0602 Some initial work towards resolving nasty fork/pthread issues, and to having a per-parser job list 2012-02-27 18:43:24 -08:00
ridiculousfish
38e40862fe More work towards autosuggesting completions 2012-02-25 18:54:49 -08:00
ridiculousfish
a08450bcb6 Changes to make autosuggestion smarter about not suggesting commands that could never succeed. 2012-02-16 00:24:27 -08:00
ridiculousfish
e5ff5f7484 Some hopefully good changes to get IOs off of halloc 2012-02-09 18:43:36 -08:00
ridiculousfish
beece6a828 Clean up how argv is stored in process_t 2012-01-31 18:06:20 -08:00
Siteshwar Vashisht
f988dcd6f9 Fixed compilation errors caused by latest commits 2012-01-30 21:45:02 +05:30
ridiculousfish
316f81119f Excised some more halloc 2012-01-29 23:22:42 -08:00
ridiculousfish
3b8a4e56b0 A bunch of work to move towards a sane memory model in job_t 2012-01-29 22:06:58 -08:00
ridiculousfish
966cd6a8ca Began migration of job_t away from halloc 2012-01-29 18:25:54 -08:00
ridiculousfish
f243cd86c9 Convert jobs list to std::list 2012-01-29 16:36:21 -08:00
Peter Ammon
9b133a978d Improve const and signed/unsigned correctness 2012-01-14 22:32:45 -08:00
ridiculousfish
8d2f107d61 Some changes to migrate towards C++ and a multithreaded model 2011-12-26 19:18:46 -08:00
Grissiom
c6372a1b3f remove trailing spaces 
This is done by `sed -i -e 's/[ \t]*$//' *.[c,h]`, which should not
introduce any functionality change.
 2010-09-18 09:51:16 +08:00
axel
f5be301a2f Handle exit status of processes terminated by signals 
darcs-hash:20090221164656-ac50b-7bcbf6cb0bb8384560fbf9bf1059480cb4089def.gz
 2009-02-22 02:46:56 +10:00
liljencrantz
394776c56b Update todo list and code comments 
darcs-hash:20080109012338-75c98-745297861fd11ec82e062a79fe1d15c9084342f1.gz
 2008-01-09 11:23:38 +10:00
liljencrantz
71c2cde390 Cleanup and improve the exit status numbers and the messages generated on error as well as make sure that keyboard shortcuts don't change the status 
darcs-hash:20080108193145-75c98-56c8aa2dd081af643d206820aa36bf3b6e49e0f2.gz
 2008-01-09 05:31:45 +10:00