From 4863bd647afe100d35f61aa08db9ed25f0d5bac1 Mon Sep 17 00:00:00 2001 From: "Jason A. Donenfeld" Date: Mon, 21 May 2018 14:13:55 +0200 Subject: Add stacktrace via SIGUSR2 Signed-off-by: Jason A. Donenfeld --- app/tools/libwg-go/api-android.go | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) (limited to 'app/tools/libwg-go') diff --git a/app/tools/libwg-go/api-android.go b/app/tools/libwg-go/api-android.go index 5ea57a9d..a609ec44 100644 --- a/app/tools/libwg-go/api-android.go +++ b/app/tools/libwg-go/api-android.go @@ -17,7 +17,10 @@ import ( "log" "math" "os" + "os/signal" + "runtime" "strings" + "unsafe" ) type AndroidLogger struct { @@ -34,6 +37,19 @@ var tunnelHandles map[int32]*Device func init() { tunnelHandles = make(map[int32]*Device) + signals := make(chan os.Signal) + signal.Notify(signals, unix.SIGUSR2) + go func() { + buf := make([]byte, os.Getpagesize()) + for { + select { + case <-signals: + n := runtime.Stack(buf, true) + buf[n] = 0 + C.__android_log_write(C.ANDROID_LOG_ERROR, C.CString("WireGuard/GoBackend/Stacktrace"), (*_Ctype_char)(unsafe.Pointer(&buf[0]))) + } + } + }() } //export wgTurnOn @@ -53,7 +69,6 @@ func wgTurnOn(ifnameRef string, tun_fd int32, settings string) int32 { events: make(chan TUNEvent, 5), errors: make(chan error, 5), nopi: true, - statusListenersShutdown: make(chan struct{}), } var err error -- cgit v1.2.3