Merge "libbinder: checkVintfService"

am: 0b5ac42f5b

Change-Id: I07c694a6c7b967de8c72189b7f23d300cb9b330b

1 files changed, 14 insertions, 0 deletions

diff --git a/libs/binder/include/binder/IServiceManager.h b/libs/binder/include/binder/IServiceManager.h
index bd77567290..2c4326393e 100644
--- a/libs/binder/include/binder/IServiceManager.h
+++ b/libs/binder/include/binder/IServiceManager.h
@@ -113,6 +113,13 @@ sp<INTERFACE> waitForDeclaredService(const String16& name) {
     return interface_cast<INTERFACE>(sm->waitForService(name));
 }
 
+template <typename INTERFACE>
+sp<INTERFACE> checkDeclaredService(const String16& name) {
+    const sp<IServiceManager> sm = defaultServiceManager();
+    if (!sm->isDeclared(name)) return nullptr;
+    return interface_cast<INTERFACE>(sm->checkService(name));
+}
+
 template<typename INTERFACE>
 sp<INTERFACE> waitForVintfService(
         const String16& instance = String16("default")) {
@@ -121,6 +128,13 @@ sp<INTERFACE> waitForVintfService(
 }
 
 template<typename INTERFACE>
+sp<INTERFACE> checkVintfService(
+        const String16& instance = String16("default")) {
+    return checkDeclaredService<INTERFACE>(
+        INTERFACE::descriptor + String16("/") + instance);
+}
+
+template<typename INTERFACE>
 status_t getService(const String16& name, sp<INTERFACE>* outService)
 {
     const sp<IServiceManager> sm = defaultServiceManager();