test/runtime/jsig/TestJNI.c

Tue, 08 Aug 2017 15:57:29 +0800

author
aoqi
date
Tue, 08 Aug 2017 15:57:29 +0800
changeset 6876
710a3c8b516e
parent 5453
f9ee986a9fea
parent 0
f90c822e73f8
permissions
-rw-r--r--

merge

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

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