Set $TMPDIR as well as java.io.tmpdir.
This helps functions like tmpnam() and tmpfile() to "just work", like
their Java equivalents.
Bug: https://issuetracker.google.com/36991167
Bug: http://b/174682340
Test: atest FrameworksCoreTests:android.app.activity.ActivityThreadTest
Change-Id: Ife785f0ca69a34ba2c6b5d1e8e23f8b883d8fc8f
diff --git a/core/java/android/app/ActivityThread.java b/core/java/android/app/ActivityThread.java
index 41170a4..749e8f5 100644
--- a/core/java/android/app/ActivityThread.java
+++ b/core/java/android/app/ActivityThread.java
@@ -6299,7 +6299,13 @@
final File cacheDir = context.getCacheDir();
if (cacheDir != null) {
// Provide a usable directory for temporary files
- System.setProperty("java.io.tmpdir", cacheDir.getAbsolutePath());
+ String tmpdir = cacheDir.getAbsolutePath();
+ System.setProperty("java.io.tmpdir", tmpdir);
+ try {
+ android.system.Os.setenv("TMPDIR", tmpdir, true);
+ } catch (ErrnoException ex) {
+ Log.w(TAG, "Unable to initialize $TMPDIR", ex);
+ }
} else {
Log.v(TAG, "Unable to initialize \"java.io.tmpdir\" property "
+ "due to missing cache directory");
diff --git a/core/tests/coretests/src/android/app/activity/ActivityThreadTest.java b/core/tests/coretests/src/android/app/activity/ActivityThreadTest.java
index 000e870..2d63351 100644
--- a/core/tests/coretests/src/android/app/activity/ActivityThreadTest.java
+++ b/core/tests/coretests/src/android/app/activity/ActivityThreadTest.java
@@ -88,6 +88,11 @@
false /* launchActivity */);
@Test
+ public void testTemporaryDirectory() throws Exception {
+ assertEquals(System.getProperty("java.io.tmpdir"), System.getenv("TMPDIR"));
+ }
+
+ @Test
public void testDoubleRelaunch() throws Exception {
final Activity activity = mActivityTestRule.launchActivity(new Intent());
final IApplicationThread appThread = activity.getActivityThread().getApplicationThread();