JavaNioSupport.st
author Claus Gittinger <cg@exept.de>
Sun, 23 Feb 2020 14:03:15 +0100
branchcvs_MAIN
changeset 3997 5bb44f7e1d20
parent 3412 df11bb428463
permissions -rw-r--r--
#REFACTORING by exept class: Java class changed: #dumpConfigOn:

"
 COPYRIGHT (c) 1996-2015 by Claus Gittinger

 New code and modifications done at SWING Research Group [1]:

 COPYRIGHT (c) 2010-2015 by Jan Vrany, Jan Kurs and Marcel Hlopko
                            SWING Research Group, Czech Technical University in Prague

 This software is furnished under a license and may be used
 only in accordance with the terms of that license and with the
 inclusion of the above copyright notice.   This software may not
 be provided or otherwise made available to, or used by, any
 other person.  No title to or ownership of the software is
 hereby transferred.

 [1] Code written at SWING Research Group contains a signature
     of one of the above copright owners. For exact set of such code,
     see the differences between this version and version stx:libjava
     as of 1.9.2010
"
"{ Package: 'stx:libjava' }"

Object subclass:#JavaNioSupport
	instanceVariableNames:''
	classVariableNames:''
	poolDictionaries:''
	category:'Languages-Java-Support-Native'
!

!JavaNioSupport class methodsFor:'documentation'!

copyright
"
 COPYRIGHT (c) 1996-2015 by Claus Gittinger

 New code and modifications done at SWING Research Group [1]:

 COPYRIGHT (c) 2010-2015 by Jan Vrany, Jan Kurs and Marcel Hlopko
                            SWING Research Group, Czech Technical University in Prague

 This software is furnished under a license and may be used
 only in accordance with the terms of that license and with the
 inclusion of the above copyright notice.   This software may not
 be provided or otherwise made available to, or used by, any
 other person.  No title to or ownership of the software is
 hereby transferred.

 [1] Code written at SWING Research Group contains a signature
     of one of the above copright owners. For exact set of such code,
     see the differences between this version and version stx:libjava
     as of 1.9.2010

"
! !

!JavaNioSupport class methodsFor:'sun.nio.ch.FileDispatcher'!

_sun_nio_ch_FileDispatcher_init
    "JDK 7 native impl:
JNIEXPORT void JNICALL
Java_sun_nio_ch_FileDispatcherImpl_init(JNIEnv *env, jclass cl)
{
    int sp[2];
    if (socketpair(PF_UNIX, SOCK_STREAM, 0, sp) < 0) {
        JNU_ThrowIOExceptionWithLastError(env, 'socketpair failed');
        return;
    }
    preCloseFD = sp[0];
    close(sp[1]);
}
    "

    "Nothing to do"

    "Created: / 06-07-2012 / 22:35:18 / Jan Vrany <jan.vrany@fit.cvut.cz>"
! !

!JavaNioSupport class methodsFor:'sun.nio.ch.NativeThread'!

_sun_nio_ch_NativeThread_current
    "JDK 7 native impl:
JNIEXPORT jlong JNICALL
Java_sun_nio_ch_NativeThread_current(JNIEnv *env, jclass cl)
{
#ifdef __linux__
    return (long)pthread_self();
#else
    return -1;
#endif
}
    "

    ^ -1

    "Created: / 06-07-2012 / 22:39:35 / Jan Vrany <jan.vrany@fit.cvut.cz>"
!

_sun_nio_ch_NativeThread_init
    "JDK 7 native impl:
JNIEXPORT void JNICALL
Java_sun_nio_ch_NativeThread_init(JNIEnv *env, jclass cl)
{
#ifdef __linux__

    /* Install the null handler for INTERRUPT_SIGNAL.  This might overwrite the
     * handler previously installed by java/net/linux_close.c, but that's okay
     * since neither handler actually does anything.  We install our own
     * handler here simply out of paranoia; ultimately the two mechanisms
     * should somehow be unified, perhaps within the VM.
     */

    sigset_t ss;
    struct sigaction sa, osa;
    sa.sa_handler = nullHandler;
    sa.sa_flags = 0;
    sigemptyset(&sa.sa_mask);
    if (sigaction(INTERRUPT_SIGNAL, &sa, &osa) < 0)
        JNU_ThrowIOExceptionWithLastError(env, 'sigaction');

#endif
}
"
    "Nothing to do here"

    "Created: / 06-07-2012 / 22:37:10 / Jan Vrany <jan.vrany@fit.cvut.cz>"
! !

!JavaNioSupport class methodsFor:'documentation'!

version_CVS
    ^ '$Header: /cvs/stx/stx/libjava/JavaNioSupport.st,v 1.5 2015-03-20 12:08:00 vrany Exp $'
!

version_HG

    ^ '$Changeset: <not expanded> $'
!

version_SVN
    ^ 'Id::                                                                                                                        '
! !