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