sysutils/lazygit
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add some safe goroutines

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WIP
This commit is contained in:
Jesse Duffield
2020-10-07 21:19:38 +11:00
parent ba4c3e5bc4
commit 79e59d5460
15 changed files with 84 additions and 64 deletions
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29
pkg/tasks/tasks.go
View File

@ -10,6 +10,7 @@ import (
"time"
"github.com/jesseduffield/lazygit/pkg/commands/oscommands"
"github.com/jesseduffield/lazygit/pkg/utils"
"github.com/sirupsen/logrus"
)
@ -41,14 +42,14 @@ func NewViewBufferManager(log *logrus.Entry, writer io.Writer, beforeStart func(
}
func (m *ViewBufferManager) ReadLines(n int) {
go func() {
go utils.Safe(func() {
m.readLines <- n
}()
})
}
func (m *ViewBufferManager) NewCmdTask(r io.Reader, cmd *exec.Cmd, prefix string, linesToRead int, onDone func()) func(chan struct{}) error {
return func(stop chan struct{}) error {
go func() {
go utils.Safe(func() {
<-stop
if err := oscommands.Kill(cmd); err != nil {
if !strings.Contains(err.Error(), "process already finished") {
@ -58,7 +59,7 @@ func (m *ViewBufferManager) NewCmdTask(r io.Reader, cmd *exec.Cmd, prefix string
if onDone != nil {
onDone()
}
}()
})
loadingMutex := sync.Mutex{}
@ -67,13 +68,13 @@ func (m *ViewBufferManager) NewCmdTask(r io.Reader, cmd *exec.Cmd, prefix string
done := make(chan struct{})
go func() {
go utils.Safe(func() {
scanner := bufio.NewScanner(r)
scanner.Split(bufio.ScanLines)
loaded := false
go func() {
go utils.Safe(func() {
ticker := time.NewTicker(time.Millisecond * 100)
defer ticker.Stop()
select {
@ -88,7 +89,7 @@ func (m *ViewBufferManager) NewCmdTask(r io.Reader, cmd *exec.Cmd, prefix string
case <-stop:
return
}
}()
})
outer:
for {
@ -139,7 +140,7 @@ func (m *ViewBufferManager) NewCmdTask(r io.Reader, cmd *exec.Cmd, prefix string
}
close(done)
}()
})
m.readLines <- linesToRead
@ -157,10 +158,10 @@ func (t *ViewBufferManager) Close() {
c := make(chan struct{})
go func() {
go utils.Safe(func() {
t.currentTask.Stop()
c <- struct{}{}
}()
})
select {
case <-c:
@ -175,7 +176,7 @@ func (t *ViewBufferManager) Close() {
// 2) string based, where the manager can also be asked to read more lines
func (m *ViewBufferManager) NewTask(f func(stop chan struct{}) error) error {
go func() {
go utils.Safe(func() {
m.taskIDMutex.Lock()
m.newTaskId++
taskID := m.newTaskId
@ -202,14 +203,14 @@ func (m *ViewBufferManager) NewTask(f func(stop chan struct{}) error) error {
f: f,
}
go func() {
go utils.Safe(func() {
if err := f(stop); err != nil {
m.Log.Error(err) // might need an onError callback
}
close(notifyStopped)
}()
}()
})
})
return nil
}