Print stack trace of all goroutines when emergency halting if verbose

environment.go

@@ -137,11 +137,13 @@ func (this *environment) Del(ctx context.Context, actors ...Actor) error {
 	channels := []<- chan struct { } { }
 	for _, actor := range actors {
 		info := this.info(actor)
-		if info.done != nil {
+		if info.stopped != nil {
 			channels = append(channels, info.stopped)
 		}
+		info.done()
 	}
 	for _, channel := range channels {
+		if channel == nil { continue }
 		select {
 		case <- channel:
 		case <- ctx.Done():
@@ -250,7 +252,11 @@ func (this *environment) run(actor Actor) {
 	// contains context information
 	info := this.info(actor)
 	ctx := info.ctx
-	defer close(info.stopped)
+	defer func() {
+		if info.stopped != nil {
+			close(info.stopped)
+		}
+	}()
 	
 	switch actor := actor.(type) {
 	case Runnable:

phases.go

@@ -6,6 +6,7 @@ import "log"
 import "io/fs"
 import "errors"
 import "context"
+import "runtime"
 import "strings"
 import "path/filepath"
 import "git.tebibyte.media/sashakoshka/go-cli"
@@ -129,15 +130,15 @@ func (this *environment) phase30ConfigurationParsing() bool {
 		log.Println("!!! (30) could not determine location of file(s):", err)
 		return true
 	}
+	if this.flags.configFile != "" {
+		paths = append(paths, this.flags.configFile)
+	}
 	if this.Verb() {
 		log.Println("(i) (30) have configuration files:")
 		for _, paths := range paths {
 			log.Println("(i) (30) -", paths)
 		}
 	}
-	if this.flags.configFile != "" {
-		paths = append(paths, this.flags.configFile)
-	}
 	// parse every config and merge them all
 	configs := make([]iniConfig, 0, len(paths))
 	for _, path := range paths {
@@ -273,6 +274,11 @@ func (this *environment) phase80Shutdown() bool {
 		<- ctx.Done()
 		if errors.Is(context.Cause(ctx), context.DeadlineExceeded) {
 			log.Println("XXX (80) shutdown timeout expired, performing emergency halt")
+			if Verb() {
+				dumpBuffer := make([]byte, 8192)
+				runtime.Stack(dumpBuffer, true)
+				log.Printf("XXX (80) stack trace of all goroutines:\n%s", dumpBuffer)
+			}
 			log.Printf("====== [%s] END =======", this.name)
 			os.Exit(1)
 		}