only use SIGUSR1 on unix platforms

1 files changed, 21 insertions, 0 deletions

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)
+		}
+	}()
+}