From a0c56d2a04cc956e024cd478531a9909824e42ce Mon Sep 17 00:00:00 2001
From: Lizzy Fleckenstein <lizzy@vlhl.dev>
Date: Fri, 13 Jun 2025 18:20:18 +0200
Subject: only use SIGUSR1 on unix platforms

---
 hydra.go      | 10 +---------
 os_nonunix.go |  7 +++++++
 os_unix.go    | 21 +++++++++++++++++++++
 3 files changed, 29 insertions(+), 9 deletions(-)
 create mode 100644 os_nonunix.go
 create mode 100644 os_unix.go

diff --git a/hydra.go b/hydra.go
index 2d5d9e3..c38e732 100644
--- a/hydra.go
+++ b/hydra.go
@@ -5,7 +5,6 @@ import (
 	"github.com/yuin/gopher-lua"
 	"os"
 	"os/signal"
-	"runtime/pprof"
 	"syscall"
 	"time"
 )
@@ -73,14 +72,7 @@ func main() {
 	signalChannel = make(chan os.Signal, 1)
 	signal.Notify(signalChannel, os.Interrupt, syscall.SIGTERM, syscall.SIGHUP)
 
-	go func() {
-		ch := make(chan os.Signal, 1)
-		signal.Notify(ch, syscall.SIGUSR1)
-		for {
-			<-ch
-			pprof.Lookup("goroutine").WriteTo(os.Stdout, 1)
-		}
-	}()
+	backtrace_listen()
 
 	l := lua.NewState()
 	defer l.Close()
diff --git a/os_nonunix.go b/os_nonunix.go
new file mode 100644
index 0000000..c5a7133
--- /dev/null
+++ b/os_nonunix.go
@@ -0,0 +1,7 @@
+//go:build !linux && !openbsd && !freebsd && !netbsd && !dragonfly && !solaris && !darwin && !aix
+
+package main
+
+func backtrace_listen() {
+
+}
diff --git a/os_unix.go b/os_unix.go
new file mode 100644
index 0000000..5afe392
--- /dev/null
+++ b/os_unix.go
@@ -0,0 +1,21 @@
+//go:build linux || openbsd || freebsd || netbsd || dragonfly || solaris || darwin || aix
+
+package main
+
+import (
+	"os"
+	"os/signal"
+	"runtime/pprof"
+	"syscall"
+)
+
+func backtrace_listen() {
+	go func() {
+		ch := make(chan os.Signal, 1)
+		signal.Notify(ch, syscall.SIGUSR1)
+		for {
+			<-ch
+			pprof.Lookup("goroutine").WriteTo(os.Stdout, 1)
+		}
+	}()
+}
-- 
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