| Commit message (Collapse) | Author | Age | Files | Lines |
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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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To prevent repeated attempts to send
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UI.Exit can be accessed from goroutines drawing, goroutines executing
commands and goroutines waiting for events.
Write at 0x00c0002b2040 by main goroutine:
main.main.func1()
/home/simon/src/aerc2/aerc.go:76 +0x33d
git.sr.ht/~sircmpwn/aerc2/widgets.(*Aerc).BeginExCommand.func1()
/home/simon/src/aerc2/widgets/aerc.go:245 +0x89
git.sr.ht/~sircmpwn/aerc2/widgets.(*ExLine).Event()
/home/simon/src/aerc2/widgets/exline.go:131 +0x442
git.sr.ht/~sircmpwn/aerc2/widgets.(*Aerc).Event()
/home/simon/src/aerc2/widgets/aerc.go:116 +0x83c
git.sr.ht/~sircmpwn/aerc2/widgets.(*Aerc).simulate()
/home/simon/src/aerc2/widgets/aerc.go:109 +0x12a
git.sr.ht/~sircmpwn/aerc2/widgets.(*Aerc).Event()
/home/simon/src/aerc2/widgets/aerc.go:142 +0x722
git.sr.ht/~sircmpwn/aerc2/lib/ui.(*UI).Tick()
/home/simon/src/aerc2/lib/ui/ui.go:75 +0x33f
main.main()
/home/simon/src/aerc2/aerc.go:94 +0x497
Previous read at 0x00c0002b2040 by goroutine 19:
git.sr.ht/~sircmpwn/aerc2/lib/ui.Initialize.func1()
/home/simon/src/aerc2/lib/ui/ui.go:45 +0x97
Goroutine 19 (running) created at:
git.sr.ht/~sircmpwn/aerc2/lib/ui.Initialize()
/home/simon/src/aerc2/lib/ui/ui.go:44 +0x372
main.main()
/home/simon/src/aerc2/aerc.go:87 +0x3a9
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This was is more complicated than others. The cells list is accessed by
multiple goroutines:
- Some change the Grid's contents via AddChild/RemoveChild
- Some call Draw
- Some invalidate the grid via Invalidate
Invalidate calls are tricky to handle because they will also invalidate all
child cells. This will inturn trigger the cellInvalidated callback, which needs
to read the list of cells.
For this reason, we use a sync.RWLock which allows multiple concurrent reads.
Below is the race fixed by this commit.
Read at 0x00c0000bc3d0 by goroutine 7:
git.sr.ht/~sircmpwn/aerc2/lib/ui.(*Grid).cellInvalidated()
/home/simon/src/aerc2/lib/ui/grid.go:181 +0x45
git.sr.ht/~sircmpwn/aerc2/lib/ui.(*Grid).cellInvalidated-fm()
/home/simon/src/aerc2/lib/ui/grid.go:179 +0x55
git.sr.ht/~sircmpwn/aerc2/lib/ui.(*Invalidatable).DoInvalidate()
/home/simon/src/aerc2/lib/ui/invalidatable.go:22 +0x85
git.sr.ht/~sircmpwn/aerc2/lib/ui.(*Bordered).contentInvalidated-fm()
/home/simon/src/aerc2/lib/ui/borders.go:39 +0x56
git.sr.ht/~sircmpwn/aerc2/lib/ui.(*Invalidatable).DoInvalidate()
/home/simon/src/aerc2/lib/ui/invalidatable.go:22 +0x85
git.sr.ht/~sircmpwn/aerc2/widgets.NewDirectoryList.func1()
/home/simon/src/aerc2/widgets/dirlist.go:81 +0x55
git.sr.ht/~sircmpwn/aerc2/lib/ui.(*Invalidatable).DoInvalidate()
/home/simon/src/aerc2/lib/ui/invalidatable.go:22 +0x85
git.sr.ht/~sircmpwn/aerc2/widgets.(*Spinner).Start.func1()
/home/simon/src/aerc2/widgets/spinner.go:88 +0x82
Previous write at 0x00c0000bc3d0 by main goroutine:
[failed to restore the stack]
Goroutine 7 (running) created at:
git.sr.ht/~sircmpwn/aerc2/widgets.(*Spinner).Start()
/home/simon/src/aerc2/widgets/spinner.go:46 +0x98
git.sr.ht/~sircmpwn/aerc2/widgets.NewDirectoryList()
/home/simon/src/aerc2/widgets/dirlist.go:37 +0x28b
git.sr.ht/~sircmpwn/aerc2/widgets.NewAccountView()
/home/simon/src/aerc2/widgets/account.go:49 +0x5ca
git.sr.ht/~sircmpwn/aerc2/widgets.NewAerc()
/home/simon/src/aerc2/widgets/aerc.go:60 +0x807
main.main()
/home/simon/src/aerc2/aerc.go:65 +0x33e
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MessageStore has a lot of exported fields that can be read from the outside.
Each read must be protected, because a call from Update could happen at any
time.
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This field could be written to in the middle of a Draw call, which reads it
multiple times. Use an atomic variable instead.
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Unfortunately, the IMAP protocol hasn't been designed to be used from multiple
goroutines at the same time. For instance, if you fetch twice the same message
from two different goroutines, it's not possible to tell whether the response
is for one receiver or the other. For this reason, go-imap clients aren't safe
to use from multiple goroutines.
This commit changes the IMAP workers to be synchronous again (a command is
executed only after the previous one has completed). To use IMAP from different
threads, popular clients (e.g. Thunderbird) typically open multiple
connections.
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