diff options
Diffstat (limited to 'test/144-static-field-sigquit/src/SigQuit.java')
-rw-r--r-- | test/144-static-field-sigquit/src/SigQuit.java | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/test/144-static-field-sigquit/src/SigQuit.java b/test/144-static-field-sigquit/src/SigQuit.java new file mode 100644 index 0000000000..bed23e4a2d --- /dev/null +++ b/test/144-static-field-sigquit/src/SigQuit.java @@ -0,0 +1,68 @@ +/* + * Copyright (C) 2016 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +import java.lang.reflect.*; + +public class SigQuit implements Runnable { + private final static int sigquit; + private final static Method kill; + private final static int pid; + + static { + int pidTemp = -1; + int sigquitTemp = -1; + Method killTemp = null; + + try { + Class<?> osClass = Class.forName("android.system.Os"); + Method getpid = osClass.getDeclaredMethod("getpid"); + pidTemp = (Integer) getpid.invoke(null); + + Class<?> osConstants = Class.forName("android.system.OsConstants"); + Field sigquitField = osConstants.getDeclaredField("SIGQUIT"); + sigquitTemp = (Integer) sigquitField.get(null); + + killTemp = osClass.getDeclaredMethod("kill", int.class, int.class); + } catch (Exception e) { + if (!e.getClass().getName().equals("ErrnoException")) { + e.printStackTrace(System.out); + } + } + + pid = pidTemp; + sigquit = sigquitTemp; + kill = killTemp; + } + + public boolean perform() { + try { + kill.invoke(null, pid, sigquit); + } catch (Exception e) { + if (!e.getClass().getName().equals("ErrnoException")) { + e.printStackTrace(System.out); + } + } + return true; + } + + public void run() { + long endTime = System.currentTimeMillis() + 5000; + System.out.println("Performing sigquits for 5 seconds"); + while (System.currentTimeMillis() < endTime) { + perform(); + } + } +} |