fdtrack: GC before checking fd count.

Test: treehugger Change-Id: I0f1d59ae4240a24f8b8e4b015c1923acb1140bce
2020-09-11 15:31:31 -07:00
parent 3ede7b4930
commit 192102c35b
1 changed files with 6 additions and 0 deletions
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -439,6 +439,12 @@ public final class SystemServer {
            boolean enabled = false;
            while (true) {
                int maxFd = getMaxFd();
+                if (maxFd > enableThreshold) {
+                    // Do a manual GC to clean up fds that are hanging around as garbage.
+                    System.gc();
+                    maxFd = getMaxFd();
+                }
+
                if (maxFd > enableThreshold && !enabled) {
                    Slog.i("System", "fdtrack enable threshold reached, enabling");
                    System.loadLibrary("fdtrack");