blob: c85b778a68bd8ba34cc75b715afe186cd157723d [file] [log] [blame]
/*
* Copyright (c) 2013, 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>
#ifdef __cplusplus
extern "C" {
#endif
void sig_handler(int sig, siginfo_t *info, ucontext_t *context) {
printf( " HANDLER (1) " );
}
JNIEXPORT void JNICALL Java_TestJNI_doSomething(JNIEnv *env, jclass klass, jint val) {
struct sigaction act;
struct sigaction oact;
act.sa_flags = SA_ONSTACK|SA_RESTART|SA_SIGINFO;
sigfillset(&act.sa_mask);
act.sa_handler = SIG_DFL;
act.sa_sigaction = (void (*)())sig_handler;
sigaction(0x20+val, &act, &oact);
printf( " doSomething(%d) " , val);
printf( " old handler = %p " , oact.sa_handler);
}
#ifdef __cplusplus
}
#endif