drm_hwcomposer: add optional timeout for WaitForSignalOrExitLocked
Change-Id: I5beef0833cc0a384aa76e821694183e024a8850c
diff --git a/worker.h b/worker.h
index 492693c..7015178 100644
--- a/worker.h
+++ b/worker.h
@@ -18,6 +18,7 @@
#define ANDROID_WORKER_H_
#include <pthread.h>
+#include <stdint.h>
#include <string>
namespace android {
@@ -46,10 +47,12 @@
virtual void Routine() = 0;
/*
- * Must be called with the lock acquired.
- * Returns -EINTR if interrupted by exit request
+ * Must be called with the lock acquired. max_nanoseconds may be negative to
+ * indicate infinite timeout, otherwise it indicates the maximum time span to
+ * wait for a signal before returning.
+ * Returns -EINTR if interrupted by exit request, or -ETIMEDOUT if timed out
*/
- int WaitForSignalOrExitLocked();
+ int WaitForSignalOrExitLocked(int64_t max_nanoseconds = -1);
private:
static void *InternalRoutine(void *worker);