ServiceManager: Implement PING_TRANSACTION
Stop printing "invalid id " to stderr every time a process tries to
connect to the servicemanager.
Change-Id: Ib0e5a0375bfa2dec2c2f9cd668bd5dda46ed6588
diff --git a/cmds/servicemanager/binder.h b/cmds/servicemanager/binder.h
index c207279..7915fc2 100644
--- a/cmds/servicemanager/binder.h
+++ b/cmds/servicemanager/binder.h
@@ -33,6 +33,8 @@
#define SVC_MGR_NAME "android.os.IServiceManager"
enum {
+ /* Must match definitions in IBinder.h and IServiceManager.h */
+ PING_TRANSACTION = B_PACK_CHARS('_','P','N','G'),
SVC_MGR_GET_SERVICE = 1,
SVC_MGR_CHECK_SERVICE,
SVC_MGR_ADD_SERVICE,
diff --git a/cmds/servicemanager/service_manager.c b/cmds/servicemanager/service_manager.c
index f8212e8..79ce6ed 100644
--- a/cmds/servicemanager/service_manager.c
+++ b/cmds/servicemanager/service_manager.c
@@ -220,6 +220,9 @@
if (txn->target.handle != svcmgr_handle)
return -1;
+ if (txn->code == PING_TRANSACTION)
+ return 0;
+
// Equivalent to Parcel::enforceInterface(), reading the RPC
// header with the strict mode policy mask and the interface name.
// Note that we ignore the strict_policy and don't propagate it