diff options
| -rw-r--r-- | libs/binder/IPCThreadState.cpp | 5 | ||||
| -rw-r--r-- | libs/binder/Parcel.cpp | 9 | ||||
| -rw-r--r-- | libs/binder/include/binder/IPCThreadState.h | 1 |
3 files changed, 14 insertions, 1 deletions
diff --git a/libs/binder/IPCThreadState.cpp b/libs/binder/IPCThreadState.cpp index d0cd8f2f22..e8329613ab 100644 --- a/libs/binder/IPCThreadState.cpp +++ b/libs/binder/IPCThreadState.cpp @@ -338,6 +338,11 @@ void IPCThreadState::disableBackgroundScheduling(bool disable) gDisableBackgroundScheduling = disable; } +bool IPCThreadState::backgroundSchedulingDisabled() +{ + return gDisableBackgroundScheduling; +} + sp<ProcessState> IPCThreadState::process() { return mProcess; diff --git a/libs/binder/Parcel.cpp b/libs/binder/Parcel.cpp index 39bb078fd1..aec8f107a3 100644 --- a/libs/binder/Parcel.cpp +++ b/libs/binder/Parcel.cpp @@ -211,7 +211,14 @@ status_t flatten_binder(const sp<ProcessState>& /*proc*/, { flat_binder_object obj; - obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; + if (IPCThreadState::self()->backgroundSchedulingDisabled()) { + /* minimum priority for all nodes is nice 0 */ + obj.flags = FLAT_BINDER_FLAG_ACCEPTS_FDS; + } else { + /* minimum priority for all nodes is MAX_NICE(19) */ + obj.flags = 0x13 | FLAT_BINDER_FLAG_ACCEPTS_FDS; + } + if (binder != NULL) { IBinder *local = binder->localBinder(); if (!local) { diff --git a/libs/binder/include/binder/IPCThreadState.h b/libs/binder/include/binder/IPCThreadState.h index 7b826d6dcd..245607e74e 100644 --- a/libs/binder/include/binder/IPCThreadState.h +++ b/libs/binder/include/binder/IPCThreadState.h @@ -83,6 +83,7 @@ public: // in to it but doesn't want to acquire locks in its services while in // the background. static void disableBackgroundScheduling(bool disable); + bool backgroundSchedulingDisabled(); // Call blocks until the number of executing binder threads is less than // the maximum number of binder threads threads allowed for this process. |