Fix macos build issue

Author: milot-mirdita

backend/worker_linux.go

@@ -0,0 +1,21 @@
+//go:build linux
+// +build linux
+
+package main
+
+import (
+	"os/exec"
+
+	"golang.org/x/sys/unix"
+)
+
+func SetSysProcAttr(cmd *exec.Cmd) {
+	cmd.SysProcAttr = &unix.SysProcAttr{
+		Setpgid:   true,
+		Pdeathsig: unix.SIGKILL,
+	}
+}
+
+func KillCommand(cmd *exec.Cmd) error {
+	return unix.Kill(-cmd.Process.Pid, unix.SIGKILL)
+}

backend/worker_unix.go

@@ -1,5 +1,5 @@
-//go:build !windows
-// +build !windows
+//go:build !windows && !linux
+// +build !windows,!linux
 
 package main
 
@@ -11,8 +11,7 @@ import (
 
 func SetSysProcAttr(cmd *exec.Cmd) {
 	cmd.SysProcAttr = &unix.SysProcAttr{
-		Setpgid:   true,
-		Pdeathsig: unix.SIGKILL,
+		Setpgid: true,
 	}
 }