Extensions to check JNI.

Ensure critical lock isn't held when returning from a down-call.
Log a warning if the critical lock is held for a significant period of
time.
Refactor JNIEnvExt to be a class rather than a struct.

Test: mma test-art-host

Change-Id: I4d149cb04d3a7308a22b92b196e51e2f1ae17ede

1 files changed, 9 insertions, 0 deletions

diff --git a/runtime/base/time_utils.h b/runtime/base/time_utils.h
index 919937f5ba..7648a109fa 100644
--- a/runtime/base/time_utils.h
+++ b/runtime/base/time_utils.h
@@ -76,6 +76,15 @@ static constexpr inline uint64_t MsToNs(uint64_t ms) {
   return ms * 1000 * 1000;
 }
 
+// Converts the given number of milliseconds to microseconds
+static constexpr inline uint64_t MsToUs(uint64_t ms) {
+  return ms * 1000;
+}
+
+static constexpr inline uint64_t UsToNs(uint64_t us) {
+  return us * 1000;
+}
+
 #if defined(__APPLE__)
 #ifndef CLOCK_REALTIME
 // No clocks to specify on OS/X < 10.12, fake value to pass to routines that require a clock.