/*
* 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(0 x20+val, &act, &oact);
printf( " doSomething(%d) " , val);
printf( " old handler = %p " , oact.sa_handler);
}
#ifdef __cplusplus
}
#endif
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