func setupListener(c *Config, m Matcher, watcher *fsnotify.Watcher) error {
if len(m.Dirs) == 0 {
m.Dirs = []string{""}
}
for _, d := range m.Dirs {
dir := c.BaseDir + "/" + d
if err := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
if err != nil {
return fmt.Errorf("Walk directories failed: %v", err)
}
if m.excludeDirMap[filepath.Base(path)] {
log.VV("Skipping directory %v as it has been excluded", path)
return filepath.SkipDir
}
if info.IsDir() {
log.VV("Add watch for directory %v", path)
c.configsMap[filepath.Clean(path)] = &m
watcher.Add(path)
}
return nil
}); err != nil {
return err
}
}
return nil
}
// Interrupt sends Ctrl-Break to the task's process group.
func (t *Task) Interrupt() error {
log.VV("Requested Ctrl-Break on task")
r, _, err := procGenerateConsoleCtrlEvent.Call(syscall.CTRL_BREAK_EVENT, uintptr(t.pgid))
if r != 0 {
return fmt.Errorf("r = %v err: %v", r, err)
}
return nil
}
// killProcess terminates a given pid using TerminateProcess.
func killProcess(pid uint32) error {
handle, err := syscall.OpenProcess(syscall.PROCESS_TERMINATE, false /* inheritHandle */, pid)
if err != nil {
return err
}
defer syscall.CloseHandle(handle)
log.VV("TerminateProcess(%v) with handle %v", pid, handle)
return syscall.TerminateProcess(handle, 1)
}
// IsMatch checks whether an event on the given path should cause a reload.
func IsMatch(c *Config, path string) bool {
dir, file := filepath.Split(path)
if len(dir) == 0 {
dir = "./"
}
dc := c.configsMap[filepath.Clean(dir)]
if dc == nil {
return false
}
log.VV("Found updated file (%v) in watched directory, config: %+v", path, dc)
// If there are no patterns, then we treat it as a wildcard matching everything.
if len(dc.Patterns) == 0 {
return true
}
for _, p := range dc.Patterns {
if match, err := filepath.Match(p, file); err == nil && match {
return true
}
}
return false
}
// Interrupt sends the same signal as a Ctrl-C to the task.
func (t *Task) Interrupt() error {
log.VV("Requested Ctrl-C on task")
return syscall.Kill(-t.pgid, syscall.SIGINT)
}