Merge "Rewrite Libc Malloc Debug and related utils." into sc-dev am: d64a251f0d

Original change: https://googleplex-android-review.googlesource.com/c/platform/cts/+/20123490

Change-Id: If16739e5b598da219b2e3aedad2efa45d30a8121
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

1 files changed, 0 insertions, 42 deletions

diff --git a/hostsidetests/securitybulletin/src/android/security/cts/AdbUtils.java b/hostsidetests/securitybulletin/src/android/security/cts/AdbUtils.java
index a1c2dee4461..bef0e9a7558 100644
--- a/hostsidetests/securitybulletin/src/android/security/cts/AdbUtils.java
+++ b/hostsidetests/securitybulletin/src/android/security/cts/AdbUtils.java
@@ -262,48 +262,6 @@ public class AdbUtils {
     }
 
     /**
-     * Enables malloc debug on a given process.
-     *
-     * @param processName the name of the process to run with libc malloc debug
-     * @param device the device to use
-     * @return true if enabling malloc debug succeeded
-     */
-    public static boolean enableLibcMallocDebug(String processName, ITestDevice device) throws Exception {
-        device.executeShellCommand("setprop libc.debug.malloc.program " + processName);
-        device.executeShellCommand("setprop libc.debug.malloc.options \"backtrace guard\"");
-        /**
-         * The pidof command is being avoided because it does not exist on versions before M, and
-         * it behaves differently between M and N.
-         * Also considered was the ps -AoPID,CMDLINE command, but ps does not support options on
-         * versions before O.
-         * The [^]] prefix is being used for the grep command to avoid the case where the output of
-         * ps includes the grep command itself.
-         */
-        String cmdOut = device.executeShellCommand("ps -A | grep '[^]]" + processName + "'");
-        /**
-         * .hasNextInt() checks if the next token can be parsed as an integer, not if any remaining
-         * token is an integer.
-         * Example command: $ ps | fgrep mediaserver
-         * Out: media     269   1     77016  24416 binder_thr 00f35142ec S /system/bin/mediaserver
-         * The second field of the output is the PID, which is needed to restart the process.
-         */
-        Scanner s = new Scanner(cmdOut).useDelimiter("\\D+");
-        if(!s.hasNextInt()) {
-            CLog.w("Could not find pid for process: " + processName);
-            return false;
-        }
-
-        String result = device.executeShellCommand("kill -9 " + s.nextInt());
-        if(!result.equals("")) {
-            CLog.w("Could not restart process: " + processName);
-            return false;
-        }
-
-        TimeUnit.SECONDS.sleep(1);
-        return true;
-    }
-
-    /**
      * Pushes and installs an apk to the selected device
      *
      * @param pathToApk a string path to apk from the /res folder