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src/java.base/macosx/native/libnio/ch/KQueue.c

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rev 49271 : [mq]: selector-cleanup

*** 1,7 **** /* ! * Copyright (c) 2012, 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. Oracle designates this --- 1,7 ---- /* ! * Copyright (c) 2012, 2018, 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. Oracle designates this
*** 21,98 **** * 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 "jni.h" #include "jni_util.h" - #include "jvm.h" #include "jlong.h" #include "nio_util.h" #include "sun_nio_ch_KQueue.h" - #include <strings.h> - #include <sys/types.h> - #include <sys/event.h> - #include <sys/time.h> - JNIEXPORT jint JNICALL ! Java_sun_nio_ch_KQueue_keventSize(JNIEnv* env, jclass this) { return sizeof(struct kevent); } JNIEXPORT jint JNICALL ! Java_sun_nio_ch_KQueue_identOffset(JNIEnv* env, jclass this) { return offsetof(struct kevent, ident); } JNIEXPORT jint JNICALL ! Java_sun_nio_ch_KQueue_filterOffset(JNIEnv* env, jclass this) { return offsetof(struct kevent, filter); } JNIEXPORT jint JNICALL ! Java_sun_nio_ch_KQueue_flagsOffset(JNIEnv* env, jclass this) { return offsetof(struct kevent, flags); } JNIEXPORT jint JNICALL ! Java_sun_nio_ch_KQueue_kqueue(JNIEnv *env, jclass c) { int kqfd = kqueue(); if (kqfd < 0) { JNU_ThrowIOExceptionWithLastError(env, "kqueue failed"); } return kqfd; } JNIEXPORT jint JNICALL ! Java_sun_nio_ch_KQueue_keventRegister(JNIEnv *env, jclass c, jint kqfd, jint fd, jint filter, jint flags) { struct kevent changes[1]; - struct timespec timeout = {0, 0}; int res; EV_SET(&changes[0], fd, filter, flags, 0, 0, 0); ! RESTARTABLE(kevent(kqfd, &changes[0], 1, NULL, 0, &timeout), res); return (res == -1) ? errno : 0; } JNIEXPORT jint JNICALL ! Java_sun_nio_ch_KQueue_keventPoll(JNIEnv *env, jclass c, ! jint kqfd, jlong address, jint nevents) { struct kevent *events = jlong_to_ptr(address); int res; ! RESTARTABLE(kevent(kqfd, NULL, 0, events, nevents, NULL), res); if (res < 0) { JNU_ThrowIOExceptionWithLastError(env, "kqueue failed"); } return res; } --- 21,113 ---- * 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 <strings.h> + #include <sys/types.h> + #include <sys/event.h> + #include <sys/time.h> + #include "jni.h" #include "jni_util.h" #include "jlong.h" + #include "nio.h" #include "nio_util.h" #include "sun_nio_ch_KQueue.h" JNIEXPORT jint JNICALL ! Java_sun_nio_ch_KQueue_keventSize(JNIEnv* env, jclass clazz) { return sizeof(struct kevent); } JNIEXPORT jint JNICALL ! Java_sun_nio_ch_KQueue_identOffset(JNIEnv* env, jclass clazz) { return offsetof(struct kevent, ident); } JNIEXPORT jint JNICALL ! Java_sun_nio_ch_KQueue_filterOffset(JNIEnv* env, jclass clazz) { return offsetof(struct kevent, filter); } JNIEXPORT jint JNICALL ! Java_sun_nio_ch_KQueue_flagsOffset(JNIEnv* env, jclass clazz) { return offsetof(struct kevent, flags); } JNIEXPORT jint JNICALL ! Java_sun_nio_ch_KQueue_create(JNIEnv *env, jclass clazz) { int kqfd = kqueue(); if (kqfd < 0) { JNU_ThrowIOExceptionWithLastError(env, "kqueue failed"); + return IOS_THROWN; } return kqfd; } JNIEXPORT jint JNICALL ! Java_sun_nio_ch_KQueue_register(JNIEnv *env, jclass clazz, jint kqfd, jint fd, jint filter, jint flags) { struct kevent changes[1]; int res; EV_SET(&changes[0], fd, filter, flags, 0, 0, 0); ! RESTARTABLE(kevent(kqfd, &changes[0], 1, NULL, 0, NULL), res); return (res == -1) ? errno : 0; } JNIEXPORT jint JNICALL ! Java_sun_nio_ch_KQueue_poll(JNIEnv *env, jclass clazz, jint kqfd, jlong address, ! jint nevents, jlong timeout) { struct kevent *events = jlong_to_ptr(address); int res; + struct timespec ts; + struct timespec *tsp; ! if (timeout >= 0) { ! ts.tv_sec = timeout / 1000; ! ts.tv_nsec = (timeout % 1000) * 1000000; ! tsp = &ts; ! } else { ! tsp = NULL; ! } ! ! res = kevent(kqfd, NULL, 0, events, nevents, tsp); if (res < 0) { + if (errno == EINTR) { + return IOS_INTERRUPTED; + } else { JNU_ThrowIOExceptionWithLastError(env, "kqueue failed"); + return IOS_THROWN; + } } return res; }
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