| /* |
| * 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. |
| */ |
| |
| #include <stdio.h> |
| #include <jni.h> |
| #include <signal.h> |
| #include <sys/ucontext.h> |
| #include <errno.h> |
| #include <string.h> |
| |
| static void sig_handler(int sig, siginfo_t *info, ucontext_t *context) { |
| printf( " HANDLER (1) " ); |
| } |
| |
| 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)); |
| } |
| } |
