Enables ADBD tracing in the emulator.
When running inside the emulator, guest's adbd can connect to 'adb-debug' qemud
service that can display adb trace messages on condition that emulator has been
started with '-debug adb' option.
This CL enables that functionality in ADB code.
Change-Id: I59b4a76d3c887ad28b8aa8e2a01dfa814e75faa1
diff --git a/adb/adb.h b/adb/adb.h
index f7667c2..85922bf 100644
--- a/adb/adb.h
+++ b/adb/adb.h
@@ -345,6 +345,21 @@
#if ADB_TRACE
+#if !ADB_HOST
+/*
+ * When running inside the emulator, guest's adbd can connect to 'adb-debug'
+ * qemud service that can display adb trace messages (on condition that emulator
+ * has been started with '-debug adb' option).
+ */
+
+/* Delivers a trace message to the emulator via QEMU pipe. */
+void adb_qemu_trace(const char* fmt, ...);
+/* Macro to use to send ADB trace messages to the emulator. */
+#define DQ(...) adb_qemu_trace(__VA_ARGS__)
+#else
+#define DQ(...) ((void)0)
+#endif /* !ADB_HOST */
+
extern int adb_trace_mask;
extern unsigned char adb_trace_output_count;
void adb_trace_init(void);