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8292559: Add test for -XX:+CheckJNICalls showing changed signal handlers
Reviewed-by: stuefe, coleenp
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Harold Seigel
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Aug 19, 2022
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/* | ||
* Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved. | ||
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
* | ||
* This code is free software; you can redistribute it and/or modify it | ||
* under the terms of the GNU General Public License version 2 only, as | ||
* published by the Free Software Foundation. | ||
* | ||
* This code is distributed in the hope that it will be useful, but WITHOUT | ||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
* version 2 for more details (a copy is included in the LICENSE file that | ||
* accompanied this code). | ||
* | ||
* You should have received a copy of the GNU General Public License version | ||
* 2 along with this work; if not, write to the Free Software Foundation, | ||
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
* | ||
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
* or visit www.oracle.com if you need additional information or have any | ||
* questions. | ||
*/ | ||
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/* | ||
* @test TestPosixSig.java | ||
* @bug 8292559 | ||
* @summary test that -XX:+CheckJNICalss displays changed signal handlers. | ||
* @requires os.family != "windows" | ||
* @library /test/lib | ||
* @run driver TestPosixSig | ||
*/ | ||
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import jdk.test.lib.process.ProcessTools; | ||
import jdk.test.lib.process.OutputAnalyzer; | ||
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public class TestPosixSig { | ||
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private static native void changeSigActionFor(int val); | ||
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public static void main(String[] args) throws Throwable { | ||
// Get the library path property. | ||
String libpath = System.getProperty("java.library.path"); | ||
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if (args.length == 0) { | ||
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// Create a new java process for the TestPsig Java/JNI test. | ||
ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( | ||
"-XX:+CheckJNICalls", | ||
"-Djava.library.path=" + libpath + ":.", | ||
"TestPosixSig", "dummy"); | ||
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// Start the process and check the output. | ||
OutputAnalyzer output = new OutputAnalyzer(pb.start()); | ||
String outputString = output.getOutput(); | ||
if (!outputString.contains("Warning: SIGILL handler modified!") || | ||
!outputString.contains("Warning: SIGFPE handler modified!")) { | ||
System.out.println("output: " + outputString); | ||
throw new RuntimeException("Test failed, missing signal Warning"); | ||
} | ||
output.shouldHaveExitValue(0); | ||
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} else { | ||
System.loadLibrary("TestPsig"); | ||
TestPosixSig.changeSigActionFor(8); // SIGFPE | ||
TestPosixSig.changeSigActionFor(4); // SIGILL | ||
Thread.sleep(600); | ||
} | ||
} | ||
} |
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/* | ||
* Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved. | ||
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
* | ||
* This code is free software; you can redistribute it and/or modify it | ||
* under the terms of the GNU General Public License version 2 only, as | ||
* published by the Free Software Foundation. | ||
* | ||
* This code is distributed in the hope that it will be useful, but WITHOUT | ||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
* version 2 for more details (a copy is included in the LICENSE file that | ||
* accompanied this code). | ||
* | ||
* You should have received a copy of the GNU General Public License version | ||
* 2 along with this work; if not, write to the Free Software Foundation, | ||
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
* | ||
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
* or visit www.oracle.com if you need additional information or have any | ||
* questions. | ||
*/ | ||
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#include <stdio.h> | ||
#include <jni.h> | ||
#include <signal.h> | ||
#include <sys/ucontext.h> | ||
#include <errno.h> | ||
#include <string.h> | ||
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static void sig_handler(int sig, siginfo_t *info, ucontext_t *context) { | ||
printf( " HANDLER (1) " ); | ||
} | ||
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JNIEXPORT void JNICALL Java_TestPosixSig_changeSigActionFor(JNIEnv *env, jclass klass, jint val) { | ||
struct sigaction act; | ||
act.sa_handler = (void (*)())sig_handler; | ||
sigemptyset(&act.sa_mask); | ||
act.sa_flags = 0; | ||
int retval = sigaction(val, &act, 0); | ||
if (retval != 0) { | ||
printf("ERROR: failed to set %d signal handler error=%s\n", val, strerror(errno)); | ||
} | ||
} |
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