Add loopIo_poll() function.

This will be used later by the goldfish network pipe implementation.

Change-Id: I70c770efba15b2fd5ef7cc52450aa07163fa21f5

3 files changed, 22 insertions, 0 deletions

diff --git a/android/looper-generic.c b/android/looper-generic.c
index d75fbff..ddc0824 100644
--- a/android/looper-generic.c
+++ b/android/looper-generic.c
@@ -203,6 +203,13 @@ gloopio_dontWantWrite(void* impl)
     gloopio_modify(io, io->wanted & ~LOOP_IO_WRITE);
 }
 
+static unsigned
+gloopio_poll(void* impl)
+{
+    GLoopIo* io = impl;
+    return io->ready;
+}
+
 static void
 gloopio_free(void* impl)
 {
@@ -219,6 +226,7 @@ static LoopIoClass  gloopio_class = {
     gloopio_wantWrite,
     gloopio_dontWantRead,
     gloopio_dontWantWrite,
+    gloopio_poll,
     gloopio_free
 };
 
diff --git a/android/looper-qemu.c b/android/looper-qemu.c
index cce0bfa..5526f5b 100644
--- a/android/looper-qemu.c
+++ b/android/looper-qemu.c
@@ -254,11 +254,19 @@ qloopio_free(void* impl)
     qemu_free(io);
 }
 
+static unsigned
+qloopio_poll(void* impl)
+{
+    QLoopIo* io = impl;
+    return io->ready;
+}
+
 static const LoopIoClass  qlooper_io_class = {
     qloopio_wantRead,
     qloopio_wantWrite,
     qloopio_dontWantRead,
     qloopio_dontWantWrite,
+    qloopio_poll,
     qloopio_free
 };
 
diff --git a/android/looper.h b/android/looper.h
index d67fdad..923ef09 100644
--- a/android/looper.h
+++ b/android/looper.h
@@ -215,6 +215,7 @@ struct LoopIoClass {
     void (*wantWrite)(void* impl);
     void (*dontWantRead)(void* impl);
     void (*dontWantWrite)(void* impl);
+    unsigned (*poll)(void* impl);
     void (*done)(void* impl);
 };
 
@@ -255,6 +256,11 @@ loopIo_dontWantWrite(LoopIo* io)
 {
     io->clazz->dontWantWrite(io->impl);
 }
+AINLINED unsigned
+loopIo_poll(LoopIo* io)
+{
+    return io->clazz->poll(io->impl);
+}
 
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