From 3690b89082215ff5c1fc84110074cf08b1b8909c Mon Sep 17 00:00:00 2001
From: Paul Buetow <paul@buetow.org>
Date: Sun, 1 Mar 2026 23:33:46 +0200
Subject: Route non-fatal event-loop warnings to TUI

---
 internal/flamegraph/iordatacollector.go | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

(limited to 'internal/flamegraph')

diff --git a/internal/flamegraph/iordatacollector.go b/internal/flamegraph/iordatacollector.go
index a63b742..948af97 100644
--- a/internal/flamegraph/iordatacollector.go
+++ b/internal/flamegraph/iordatacollector.go
@@ -5,7 +5,6 @@ import (
 	"fmt"
 	"ior/internal/event"
 	"ior/internal/flags"
-	"os"
 	"runtime"
 	"sync"
 )
@@ -13,14 +12,14 @@ import (
 type IorDataCollector struct {
 	flags   flags.Flags
 	Ch      chan *event.Pair
-	Done    chan struct{}
+	Done    chan error
 	workers []worker
 }
 
 func New() IorDataCollector {
 	f := IorDataCollector{
 		Ch:   make(chan *event.Pair, 4096),
-		Done: make(chan struct{}),
+		Done: make(chan error, 1),
 	}
 	numWorkers := runtime.NumCPU() / 4
 	if numWorkers == 0 {
@@ -52,8 +51,9 @@ func (f IorDataCollector) Start(ctx context.Context) {
 			}
 		}
 		if err := iod.serializeToFile(); err != nil {
-			fmt.Println(err)
-			os.Exit(2)
+			f.Done <- err
+			return
 		}
+		f.Done <- nil
 	}()
 }
-- 
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