| /* |
| * Copyright (c) 2008-2020 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * 3. Neither the name of the copyright holder nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| * |
| * -- |
| * |
| * Functions to help obtain a JNIEnv pointer in places where one cannot be passed |
| * though (callbacks, catagory functions, etc). Use sparingly. |
| */ |
| |
| #import <os/availability.h> |
| #import <JavaNativeFoundation/JNFJNI.h> |
| |
| __BEGIN_DECLS |
| |
| // Options only apply if thread was not already attached to the JVM. |
| enum { |
| JNFThreadDetachImmediately = (1 << 1), |
| JNFThreadDetachOnThreadDeath = (1 << 2), |
| JNFThreadSetSystemClassLoaderOnAttach = (1 << 3), |
| JNFThreadAttachAsDaemon = (1 << 4) |
| }; |
| |
| typedef jlong JNFThreadContext; |
| |
| |
| /* |
| * Attaches the current thread to the Java VM if needed, and obtains a JNI environment |
| * to interact with the VM. Use a provided JNIEnv pointer for your current thread |
| * whenever possible, since this method is particularly expensive to the Java VM if |
| * used repeatedly. |
| * |
| * Provide a pointer to a JNFThreadContext to pass to JNFReleaseEnv(). |
| */ |
| JNF_EXPORT extern JNIEnv *JNFObtainEnv(JNFThreadContext *context) API_DEPRECATED("This functionality is no longer supported and may stop working in a future version of macOS.", macos(10.10, 10.16)); |
| |
| /* |
| * Release the JNIEnv for this thread, and detaches the current thread from the VM if |
| * it was not already attached. |
| */ |
| JNF_EXPORT extern void JNFReleaseEnv(JNIEnv *env, JNFThreadContext *context) API_DEPRECATED("This functionality is no longer supported and may stop working in a future version of macOS.", macos(10.10, 10.16)); |
| |
| |
| #if __BLOCKS__ |
| |
| /* |
| * Performs the same attach/detach as JNFObtainEnv() and JNFReleaseEnv(), but executes a |
| * block that accepts the obtained JNIEnv. |
| */ |
| typedef void (^JNIEnvBlock)(JNIEnv *); |
| JNF_EXPORT extern void JNFPerformEnvBlock(JNFThreadContext context, JNIEnvBlock block) API_DEPRECATED("This functionality is no longer supported and may stop working in a future version of macOS.", macos(10.10, 10.16)); |
| |
| #endif |
| |
| __END_DECLS |
