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-rw-r--r--include/binder/IBinder.h1
-rw-r--r--include/utils/Trace.h5
-rw-r--r--include/utils/misc.h4
3 files changed, 10 insertions, 0 deletions
diff --git a/include/binder/IBinder.h b/include/binder/IBinder.h
index 81b56c2..8b84951 100644
--- a/include/binder/IBinder.h
+++ b/include/binder/IBinder.h
@@ -51,6 +51,7 @@ public:
PING_TRANSACTION = B_PACK_CHARS('_','P','N','G'),
DUMP_TRANSACTION = B_PACK_CHARS('_','D','M','P'),
INTERFACE_TRANSACTION = B_PACK_CHARS('_', 'N', 'T', 'F'),
+ SYSPROPS_TRANSACTION = B_PACK_CHARS('_', 'S', 'P', 'R'),
// Corresponds to TF_ONE_WAY -- an asynchronous call.
FLAG_ONEWAY = 0x00000001
diff --git a/include/utils/Trace.h b/include/utils/Trace.h
index 62f5d6b..984cd46 100644
--- a/include/utils/Trace.h
+++ b/include/utils/Trace.h
@@ -121,11 +121,16 @@ private:
}
}
+ static void changeCallback();
+
// init opens the trace marker file for writing and reads the
// atrace.tags.enableflags system property. It does this only the first
// time it is run, using sMutex for synchronization.
static void init();
+ // retrieve the current value of the system property.
+ static void loadSystemProperty();
+
// sIsReady is a boolean value indicating whether a call to init() has
// completed in this process. It is initialized to 0 and set to 1 when the
// first init() call completes. It is set to 1 even if a failure occurred
diff --git a/include/utils/misc.h b/include/utils/misc.h
index 23f2a4c..d7d5bc1 100644
--- a/include/utils/misc.h
+++ b/include/utils/misc.h
@@ -88,6 +88,10 @@ void strreverse(char* begin, char* end);
void k_itoa(int value, char* str, int base);
char* itoa(int val, int base);
+typedef void (*sysprop_change_callback)(void);
+void add_sysprop_change_callback(sysprop_change_callback cb, int priority);
+void report_sysprop_change();
+
}; // namespace android
#endif // _LIBS_UTILS_MISC_H