jdk-24/test/jdk/java/lang/ProcessBuilder/UnblockSignals.java
2023-04-27 20:36:40 +00:00

55 lines
2.3 KiB
Java

/*
* Copyright (c) 2022, 2023, 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
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*/
import java.io.IOException;
/*
* @test
* @summary Verify Signal mask is cleared by ProcessBuilder start
* @bug 8234262
* @requires (os.family == "linux" | os.family == "mac")
* @comment Don't allow -Xcomp, it disturbs the relative timing of the sleep and kill commands
* @requires (vm.compMode != "Xcomp")
* @run main/othervm UnblockSignals
* @run main/othervm -Xrs UnblockSignals
*/
public class UnblockSignals {
public static void main(String[] args) throws IOException, InterruptedException {
// Check that SIGQUIT is not masked, in previous releases it was masked
final ProcessBuilder pb = new ProcessBuilder("sleep", "30").inheritIO();
Process p = pb.start();
System.out.printf("Child %d, %s%n", p.pid(), pb.command());
ProcessBuilder killpb = new ProcessBuilder("kill", "-s", "QUIT", Long.toString(p.pid()));
Process killp = killpb.start();
System.out.printf("Child %d, %s%n", killp.pid(), killpb.command());
int killst = killp.waitFor();
if (killst != 0) {
throw new RuntimeException("Kill process failed, exit status: " + killst);
}
int sleepStatus = p.waitFor();
if (sleepStatus == 0) {
throw new RuntimeException("Child not killed");
}
}
}