1/*
2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24#include <stdio.h>
25#include <jni.h>
26#include <signal.h>
27#include <sys/ucontext.h>
28
29#ifdef __cplusplus
30extern "C" {
31#endif
32
33void sig_handler(int sig, siginfo_t *info, ucontext_t *context) {
34
35    printf( " HANDLER (1) " );
36}
37
38JNIEXPORT void JNICALL Java_TestJNI_doSomething(JNIEnv *env, jclass klass, jint val) {
39    struct sigaction act;
40    struct sigaction oact;
41
42    act.sa_flags = SA_ONSTACK|SA_RESTART|SA_SIGINFO;
43    sigfillset(&act.sa_mask);
44    act.sa_handler = SIG_DFL;
45    act.sa_sigaction = (void (*)())sig_handler;
46    sigaction(0x20+val, &act, &oact);
47
48    printf( " doSomething(%d) " , val);
49    printf( " old handler = %p " , oact.sa_handler);
50}
51
52#ifdef __cplusplus
53}
54#endif
55
56