| Commit message (Collapse) | Author | Age | Files | Lines |
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So that you can repeat the action on the next message if appropriate
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Worker.callbacks contains two types of callbacks: some are action callbacks,
some are message callbacks. Each of those is access from one side of the
communication channel (UI goroutine vs. worker goroutine).
Instead of using a channel, we can use two different maps for each kind. This
simplifies the code and also ensures we don't call an action callback instead
of a message callback (or the other way around).
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Message IDs are allocated for both messages from UI to workers and the other
way around. Hence, the global nextId variable is accessed from multiple
goroutines.
Instead, use atomic to access the global counter.
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The previous code set the message ID after sending it, which could result in
the receiver reading the ID before it's set.
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This makes it so an atomic `invalid` value is used instead of an unbuffered
channel. When many invalidations kick in, a lot of values were sent to the
channel.
(Since OnInvalidate's callback can be run in any goroutine, we need to be
careful about races here.)
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This commit introduces a new Aerc.Tick function that should be called to
refresh the internal state. This in turn makes each AccountView process worker
events.
The UI goroutine repeatedly refreshes the internal state before drawing a new
frame. The reason for this is that many worker messages may need to be
processed for a single frame, and drawing the UI is far slower than refreshing
the internal state. This has been confirmed in my testing (calling Aerc.Tick
only once per frame results in a slower display).
Many synchronization code has been removed. We can now write widgets without
having to care so much about races. The remaining sync users are:
- widgets/spinner: the spinner value is updated from inside an internal
goroutine
- lib/ui/invalidatable: Invalidate may be called from any goroutine
- lib/ui/grid: same
- lib/ui/ui: an internal goroutine needs read access to UI.exit
- worker/types/worker: Worker.callbacks is used for both worker and UI
callbacks
The exact goroutine requirements for Drawable have been documented.
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This fixes a race condition in go-imap-idle. See [1].
[1]: https://github.com/emersion/go-imap-idle/commit/2704abd7050ed7f2143753554ee23affdf847bd9
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Terminal.damage is accessed when drawing and when invalidating the widget. For
this reason we need to protect it with a mutex.
This seems to fix various damage issues I've been experiencing (where some
regions of the terminal weren't correctly repainted).
Race detector trace:
Read at 0x00c0000c6670 by main goroutine:
git.sr.ht/~sircmpwn/aerc/widgets.(*Terminal).Draw()
/home/simon/src/aerc/widgets/terminal.go:292 +0x191
git.sr.ht/~sircmpwn/aerc/lib/ui.(*Grid).Draw()
/home/simon/src/aerc/lib/ui/grid.go:117 +0x575
git.sr.ht/~sircmpwn/aerc/lib/ui.(*Grid).Draw()
/home/simon/src/aerc/lib/ui/grid.go:117 +0x575
git.sr.ht/~sircmpwn/aerc/widgets.(*MessageViewer).Draw()
/home/simon/src/aerc/widgets/msgviewer.go:231 +0x253
git.sr.ht/~sircmpwn/aerc/lib/ui.(*TabContent).Draw()
/home/simon/src/aerc/lib/ui/tab.go:124 +0x12e
git.sr.ht/~sircmpwn/aerc/lib/ui.(*Grid).Draw()
/home/simon/src/aerc/lib/ui/grid.go:117 +0x575
git.sr.ht/~sircmpwn/aerc/widgets.(*Aerc).Draw()
/home/simon/src/aerc/widgets/aerc.go:95 +0x5a
git.sr.ht/~sircmpwn/aerc/lib/ui.(*UI).Tick()
/home/simon/src/aerc/lib/ui/ui.go:93 +0x1dd
main.main()
/home/simon/src/aerc/aerc.go:105 +0x539
Previous write at 0x00c0000c6670 by goroutine 37:
git.sr.ht/~sircmpwn/aerc/widgets.(*Terminal).onDamage-fm()
/home/simon/src/aerc/widgets/terminal.go:429 +0x131
git.sr.ht/~sircmpwn/go-libvterm._go_handle_damage()
/home/simon/go/pkg/mod/git.sr.ht/~sircmpwn/go-libvterm@v0.0.0-20190421201021-3184f6f13687/vterm.go:481 +0xf9
git.sr.ht/~sircmpwn/go-libvterm._cgoexpwrap_5e22200b58b7__go_handle_damage()
_cgo_gotypes.go:731 +0x58
runtime.call32()
/usr/lib/go/src/runtime/asm_amd64.s:519 +0x3a
git.sr.ht/~sircmpwn/go-libvterm.(*VTerm).Write.func1()
/home/simon/go/pkg/mod/git.sr.ht/~sircmpwn/go-libvterm@v0.0.0-20190421201021-3184f6f13687/vterm.go:329 +0x9d
git.sr.ht/~sircmpwn/go-libvterm.(*VTerm).Write()
/home/simon/go/pkg/mod/git.sr.ht/~sircmpwn/go-libvterm@v0.0.0-20190421201021-3184f6f13687/vterm.go:329 +0x7f
git.sr.ht/~sircmpwn/aerc/widgets.NewTerminal.func1()
/home/simon/src/aerc/widgets/terminal.go:131 +0x18c
Goroutine 37 (running) created at:
git.sr.ht/~sircmpwn/aerc/widgets.NewTerminal()
/home/simon/src/aerc/widgets/terminal.go:121 +0x23f
git.sr.ht/~sircmpwn/aerc/widgets.NewMessageViewer()
/home/simon/src/aerc/widgets/msgviewer.go:147 +0xfbe
git.sr.ht/~sircmpwn/aerc/commands/account.ViewMessage()
/home/simon/src/aerc/commands/account/view-message.go:26 +0x4a4
git.sr.ht/~sircmpwn/aerc/commands.(*Commands).ExecuteCommand()
/home/simon/src/aerc/commands/commands.go:47 +0x1f0
main.main.func1()
/home/simon/src/aerc/aerc.go:76 +0x205
git.sr.ht/~sircmpwn/aerc/widgets.(*Aerc).BeginExCommand.func1()
/home/simon/src/aerc/widgets/aerc.go:262 +0x89
git.sr.ht/~sircmpwn/aerc/widgets.(*ExLine).Event()
/home/simon/src/aerc/widgets/exline.go:47 +0x222
git.sr.ht/~sircmpwn/aerc/widgets.(*Aerc).Event()
/home/simon/src/aerc/widgets/aerc.go:133 +0x83c
git.sr.ht/~sircmpwn/aerc/widgets.(*Aerc).simulate()
/home/simon/src/aerc/widgets/aerc.go:126 +0x12a
git.sr.ht/~sircmpwn/aerc/widgets.(*Aerc).Event()
/home/simon/src/aerc/widgets/aerc.go:148 +0x766
git.sr.ht/~sircmpwn/aerc/lib/ui.(*UI).Tick()
/home/simon/src/aerc/lib/ui/ui.go:86 +0x11b
main.main()
/home/simon/src/aerc/aerc.go:105 +0x539
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* Resolves #80
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Will probably end up doing this differently anyway
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Also removes some options that aren't going to be supported any time
soon.
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Fixes #32
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This reverts commit a755608ef9d5893b68dc4c774bbda06503481552.
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This reverts commit 66ba099ca0bfa83cd050050d92663ec45da20141.
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Small typo in a recent commit: should abort if accounts.conf is world
readable, not aerc.conf.
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Fixes #32
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Or rather, to a user-specified folder
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This allows the user to close the compose tab without sending their
current composition.
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Also moves truncation to the tab widget
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