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path: root/drivers/android/binder_internal.h
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Diffstat (limited to 'drivers/android/binder_internal.h')
-rw-r--r--drivers/android/binder_internal.h24
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/android/binder_internal.h b/drivers/android/binder_internal.h
index 6cd79011e35d..810c0b84d3f8 100644
--- a/drivers/android/binder_internal.h
+++ b/drivers/android/binder_internal.h
@@ -155,7 +155,7 @@ enum binder_stat_types {
};
struct binder_stats {
- atomic_t br[_IOC_NR(BR_FAILED_REPLY) + 1];
+ atomic_t br[_IOC_NR(BR_ONEWAY_SPAM_SUSPECT) + 1];
atomic_t bc[_IOC_NR(BC_REPLY_SG) + 1];
atomic_t obj_created[BINDER_STAT_COUNT];
atomic_t obj_deleted[BINDER_STAT_COUNT];
@@ -174,6 +174,7 @@ struct binder_work {
enum binder_work_type {
BINDER_WORK_TRANSACTION = 1,
BINDER_WORK_TRANSACTION_COMPLETE,
+ BINDER_WORK_TRANSACTION_ONEWAY_SPAM_SUSPECT,
BINDER_WORK_RETURN_ERROR,
BINDER_WORK_NODE,
BINDER_WORK_DEAD_BINDER,
@@ -367,9 +368,22 @@ struct binder_ref {
* (protected by binder_deferred_lock)
* @deferred_work: bitmap of deferred work to perform
* (protected by binder_deferred_lock)
+ * @outstanding_txns: number of transactions to be transmitted before
+ * processes in freeze_wait are woken up
+ * (protected by @inner_lock)
* @is_dead: process is dead and awaiting free
* when outstanding transactions are cleaned up
* (protected by @inner_lock)
+ * @is_frozen: process is frozen and unable to service
+ * binder transactions
+ * (protected by @inner_lock)
+ * @sync_recv: process received sync transactions since last frozen
+ * (protected by @inner_lock)
+ * @async_recv: process received async transactions since last frozen
+ * (protected by @inner_lock)
+ * @freeze_wait: waitqueue of processes waiting for all outstanding
+ * transactions to be processed
+ * (protected by @inner_lock)
* @todo: list of work for this process
* (protected by @inner_lock)
* @stats: per-process binder statistics
@@ -396,6 +410,8 @@ struct binder_ref {
* @outer_lock: no nesting under innor or node lock
* Lock order: 1) outer, 2) node, 3) inner
* @binderfs_entry: process-specific binderfs log file
+ * @oneway_spam_detection_enabled: process enabled oneway spam detection
+ * or not
*
* Bookkeeping structure for binder processes
*/
@@ -410,7 +426,12 @@ struct binder_proc {
struct task_struct *tsk;
struct hlist_node deferred_work_node;
int deferred_work;
+ int outstanding_txns;
bool is_dead;
+ bool is_frozen;
+ bool sync_recv;
+ bool async_recv;
+ wait_queue_head_t freeze_wait;
struct list_head todo;
struct binder_stats stats;
@@ -426,6 +447,7 @@ struct binder_proc {
spinlock_t inner_lock;
spinlock_t outer_lock;
struct dentry *binderfs_entry;
+ bool oneway_spam_detection_enabled;
};
/**