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Reduce data races (#14549)
* Add race conditions into test * Fix Race in GetManager() * DataAsync() use error chan * just log no chan * finish
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parent
0d1444751f
commit
87009ab40a
3 changed files with 18 additions and 6 deletions
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@ -11,6 +11,8 @@ import (
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"io"
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"strconv"
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"strings"
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gitea_log "code.gitea.io/gitea/modules/log"
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)
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// Blob represents a Git object.
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@ -27,13 +29,13 @@ type Blob struct {
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// Calling the Close function on the result will discard all unread output.
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func (b *Blob) DataAsync() (io.ReadCloser, error) {
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stdoutReader, stdoutWriter := io.Pipe()
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var err error
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go func() {
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stderr := &strings.Builder{}
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err = NewCommand("cat-file", "--batch").RunInDirFullPipeline(b.repoPath, stdoutWriter, stderr, strings.NewReader(b.ID.String()+"\n"))
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err := NewCommand("cat-file", "--batch").RunInDirFullPipeline(b.repoPath, stdoutWriter, stderr, strings.NewReader(b.ID.String()+"\n"))
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if err != nil {
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err = ConcatenateError(err, stderr.String())
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gitea_log.Error("Blob.DataAsync Error: %v", err)
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_ = stdoutWriter.CloseWithError(err)
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} else {
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_ = stdoutWriter.Close()
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@ -50,8 +52,8 @@ func (b *Blob) DataAsync() (io.ReadCloser, error) {
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return &LimitedReaderCloser{
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R: bufReader,
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C: stdoutReader,
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N: int64(size),
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}, err
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N: size,
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}, nil
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}
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// Size returns the uncompressed size of the blob
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@ -25,6 +25,7 @@ var (
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// ErrExecTimeout represent a timeout error
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ErrExecTimeout = errors.New("Process execution timeout")
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manager *Manager
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managerInit sync.Once
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// DefaultContext is the default context to run processing commands in
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DefaultContext = context.Background()
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@ -48,11 +49,11 @@ type Manager struct {
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// GetManager returns a Manager and initializes one as singleton if there's none yet
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func GetManager() *Manager {
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if manager == nil {
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managerInit.Do(func() {
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manager = &Manager{
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processes: make(map[int64]*Process),
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}
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}
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})
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return manager
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}
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@ -12,6 +12,15 @@ import (
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"github.com/stretchr/testify/assert"
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)
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func TestGetManager(t *testing.T) {
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go func() {
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// test race protection
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_ = GetManager()
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}()
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pm := GetManager()
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assert.NotNil(t, pm)
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}
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func TestManager_Add(t *testing.T) {
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pm := Manager{processes: make(map[int64]*Process)}
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