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Make terminal closure thread safe

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This commit is contained in:
Drew DeVault 2019-03-21 21:23:30 -04:00
parent be2918a616
commit 15b856abcc
1 changed files with 9 additions and 1 deletions
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10
widgets/terminal.go
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@ -4,6 +4,7 @@ import (
gocolor "image/color" gocolor "image/color"
"os" "os"
"os/exec" "os/exec"
"sync"
"git.sr.ht/~sircmpwn/aerc2/lib/ui" "git.sr.ht/~sircmpwn/aerc2/lib/ui"
@ -92,11 +93,12 @@ type Terminal struct {
cmd *exec.Cmd cmd *exec.Cmd
colors map[tcell.Color]tcell.Color colors map[tcell.Color]tcell.Color
ctx *ui.Context ctx *ui.Context
cursorShown bool
cursorPos vterm.Pos cursorPos vterm.Pos
cursorShown bool
damage []vterm.Rect damage []vterm.Rect
err error err error
focus bool focus bool
mutex sync.Mutex
onInvalidate func(d ui.Drawable) onInvalidate func(d ui.Drawable)
pty *os.File pty *os.File
start chan interface{} start chan interface{}
@ -189,6 +191,8 @@ func (term *Terminal) flushTerminal() {
} }
func (term *Terminal) Close(err error) { func (term *Terminal) Close(err error) {
term.mutex.Lock()
defer term.mutex.Unlock()
term.err = err term.err = err
if term.vterm != nil { if term.vterm != nil {
term.vterm.Close() term.vterm.Close()
@ -229,6 +233,9 @@ func (term *Terminal) Draw(ctx *ui.Context) {
return return
} }
term.mutex.Lock()
defer term.mutex.Unlock()
winsize := pty.Winsize{ winsize := pty.Winsize{
Cols: uint16(ctx.Width()), Cols: uint16(ctx.Width()),
Rows: uint16(ctx.Height()), Rows: uint16(ctx.Height()),
@ -239,6 +246,7 @@ func (term *Terminal) Draw(ctx *ui.Context) {
tty, err := pty.StartWithSize(term.cmd, &winsize) tty, err := pty.StartWithSize(term.cmd, &winsize)
term.pty = tty term.pty = tty
if err != nil { if err != nil {
term.mutex.Unlock()
term.Close(err) term.Close(err)
return return
} }