uevent: add helper to get uevent FD

This allows users of the library to handle thier own poll loop.

Change-Id: Id3fe2be442c0ca29c74253f9f36e9377278780e4
Signed-off-by: Erik Gilling <konkers@android.com>

diff --git a/include/hardware_legacy/uevent.h b/include/hardware_legacy/uevent.h
index e4b588b..bedfff5 100644 (file)
--- a/include/hardware_legacy/uevent.h
+++ b/include/hardware_legacy/uevent.h
@@ -22,6 +22,7 @@ extern "C" {
 #endif
 
 int uevent_init();
+int uevent_get_fd();
 int uevent_next_event(char* buffer, int buffer_length);
 int uevent_add_native_handler(void (*handler)(void *data, const char *msg, int msg_len),
                               void *handler_data);

diff --git a/uevent/uevent.c b/uevent/uevent.c
index 396bad4..ef8ce84 100644 (file)
--- a/uevent/uevent.c
+++ b/uevent/uevent.c
@@ -65,6 +65,11 @@ int uevent_init()
     return (fd > 0);
 }
 
+int uevent_get_fd()
+{
+    return fd;
+}
+
 int uevent_next_event(char* buffer, int buffer_length)
 {
     while (1) {