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Add a new libjnf, which is the JavaNativeFoundation code from Apple.
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * 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. | ||
| * | ||
| * -- | ||
| * | ||
| * Assertions used by the JNF_COCOA_ENTER()/JNF_COCOA_EXIT() and class | ||
| * caching macros. When building debug builds, improper use of the caching | ||
| * macros will trigger warnings output to the console. | ||
| */ | ||
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| #import <JavaNativeFoundation/JNFJNI.h> | ||
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| #ifdef DEBUG | ||
| #define JAVA_ASSERTIONS_ON | ||
| #endif /* DEBUG */ | ||
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| // Use the WARN macro to send a message to stderr in the | ||
| // debug build. It gets removed from the optimized build | ||
| // during preprocessing. | ||
| #ifdef DEBUG | ||
| #define JNF_WARN JNFDebugWarning | ||
| #else | ||
| #define JNF_WARN if (0) JNFDebugWarning | ||
| #endif /* DEBUG */ | ||
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| __BEGIN_DECLS | ||
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| JNF_EXPORT extern void JNFDebugWarning(const char *fmt, ...); | ||
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| JNF_EXPORT extern void JNFAssertionFailure(const char *file, int line, const char *condition, const char *msg); | ||
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| #ifdef JAVA_ASSERTIONS_ON | ||
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| #define JNF_ASSERT_FAILURE(condition, msg) \ | ||
| JNFAssertionFailure(__FILE__, __LINE__, condition, msg) \ | ||
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| #define JNF_ASSERT_MSG(condition, msg) \ | ||
| do { \ | ||
| if (!(condition)) { \ | ||
| JNF_ASSERT_FAILURE(#condition, msg); \ | ||
| } \ | ||
| } while(0) \ | ||
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| #define JNF_ASSERT_COND(condition) \ | ||
| JNF_ASSERT_MSG(condition, NULL) \ | ||
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| #define JNF_EXCEPTION_WARN(env, msg) \ | ||
| do { \ | ||
| (*(env))->ExceptionDescribe(env); \ | ||
| JNF_ASSERT_FAILURE("Java exception thrown", msg); \ | ||
| } while (0) \ | ||
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| #define JNF_ASSERT_NO_EXCEPTION_MSG(env, msg) \ | ||
| if ((*(env))->ExceptionOccurred(env)) { \ | ||
| JNF_EXCEPTION_WARN(env, msg); \ | ||
| } \ | ||
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| #define JNF_ASSERT_NO_EXCEPTION(env) \ | ||
| JNF_ASSERT_NO_EXCEPTION_MSG(env, NULL) \ | ||
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| #else | ||
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| #define JNF_ASSERT_COND(condition) | ||
| #define JNF_ASSERT_MSG(condition, msg) | ||
| #define JNF_EXCEPTION_WARN(env, msg) | ||
| #define JNF_ASSERT_NO_EXCEPTION(env) | ||
| #define JNF_ASSERT_NO_EXCEPTION_MSG(env, msg) | ||
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| #endif /* JAVA_ASSERTIONS_ON */ | ||
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| JNF_EXPORT extern void JNFDumpJavaStack(JNIEnv *env); | ||
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| __END_DECLS |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
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| #import "JNFJNI.h" | ||
| #import "JNFAssert.h" | ||
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| #import "debug.h" | ||
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| static void JNFDebugMessageV(const char *fmt, va_list args) { | ||
| // Prints a message and breaks into debugger. | ||
| fprintf(stderr, "JavaNativeFoundation: "); | ||
| vfprintf(stderr, fmt, args); | ||
| fprintf(stderr, "\n"); | ||
| } | ||
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| static void JNFDebugMessage(const char *fmt, ...) { | ||
| // Takes printf args and then calls DebugBreak | ||
| va_list args; | ||
| va_start(args, fmt); | ||
| JNFDebugMessageV(fmt, args); | ||
| va_end(args); | ||
| } | ||
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| void JNFDebugWarning(const char *fmt, ...) { | ||
| // Takes printf args and then calls DebugBreak | ||
| va_list args; | ||
| va_start(args, fmt); | ||
| JNFDebugMessageV(fmt, args); | ||
| va_end(args); | ||
| } | ||
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| void JNFAssertionFailure(const char *file, int line, const char *condition, const char *msg) { | ||
| JNFDebugMessage("Assertion failure: %s", condition); | ||
| if (msg) JNFDebugMessage(msg); | ||
| JNFDebugMessage("File %s; Line %d", file, line); | ||
| } | ||
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| void JNFDumpJavaStack(JNIEnv *env) { | ||
| static JNF_CLASS_CACHE(jc_Thread, "java/lang/Thread"); | ||
| static JNF_STATIC_MEMBER_CACHE(jsm_Thread_dumpStack, jc_Thread, "dumpStack", "()V"); | ||
| JNFCallVoidMethod(env, jc_Thread.cls, jsm_Thread_dumpStack); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| /* | ||
| * 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. | ||
| * | ||
| * -- | ||
| * | ||
| * Utility class used by the JNF_COCOA_ENTER()/JNF_COCOA_EXIT() macros | ||
| * from JNFJNI.h. Do not use this class or releated functions directly. | ||
| */ | ||
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| #import <Foundation/Foundation.h> | ||
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| #import <JavaNativeFoundation/JNFJNI.h> | ||
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| __BEGIN_DECLS | ||
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| typedef void JNFAutoreleasePoolToken; | ||
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| // JNFNativeMethodEnter - called on entry to each native method by the | ||
| // JNF_COCOA_ENTER(env) macro in JNFJNI.h | ||
| JNF_EXPORT extern JNFAutoreleasePoolToken *JNFNativeMethodEnter(void); | ||
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| // JNFNativeMethodExit - called on exit from each native method by the | ||
| // JNF_COCOA_EXIT(env) macro in JNFJNI.h | ||
| JNF_EXPORT extern void JNFNativeMethodExit(JNFAutoreleasePoolToken *token); | ||
|
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| __END_DECLS |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| /* | ||
| * 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. | ||
| * | ||
| * -- | ||
| * | ||
| * The JNFAutoreleasePool manages setting up and tearing down autorelease | ||
| * pools for Java calls into the Cocoa frameworks. | ||
| * | ||
| * The external entry point into this machinery is JNFMethodEnter() and JNFMethodExit(). | ||
| */ | ||
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| #import "JNFAutoreleasePool.h" | ||
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| #import <mach/mach_time.h> | ||
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| // These are vended by the Objective-C runtime, but they are unfortunately | ||
| // not available as API in the macOS SDK. We are following suit with swift | ||
| // and clang in declaring them inline here. They canot be removed or changed | ||
| // in the OS without major bincompat ramifications. | ||
| // | ||
| // These were added in macOS 10.7. | ||
| void * _Nonnull objc_autoreleasePoolPush(void); | ||
| void objc_autoreleasePoolPop(void * _Nonnull context); | ||
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| #if TIMED | ||
| static int64_t elapsedTime = 0; | ||
| #endif | ||
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| #pragma mark - | ||
| #pragma mark External API | ||
|
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| // JNFNativeMethodEnter - called on entry to each native method | ||
| // | ||
| // It sets up an autorelease pool, and will return a token if | ||
| // JNFNativeMethodExit should be called. It attempts to consider | ||
| // how much time has elapsed since the last autorelease pop. | ||
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| JNFAutoreleasePoolToken *JNFNativeMethodEnter() { | ||
| #if TIMED | ||
| int64_t start = mach_absolute_time(); | ||
| #endif | ||
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| JNFAutoreleasePoolToken * const tokenToReturn = objc_autoreleasePoolPush(); | ||
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| #if TIMED | ||
| elapsedTime += (mach_absolute_time() - start); | ||
| #endif | ||
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| return tokenToReturn; | ||
| } | ||
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| // JNFNativeMethodExit - called on exit from native methods | ||
| // | ||
| // This method is only called on exit from the first | ||
| // native method to appear in the execution stack. | ||
| // This function does not need to be called on exit | ||
| // from the inner native methods (as an optimization). | ||
| // JNFNativeMethodEnter sets the token to non-nil if | ||
| // JNFNativeMethodExit needs to be called on exit. | ||
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| void JNFNativeMethodExit(JNFAutoreleasePoolToken *token) { | ||
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| #if TIMED | ||
| int64_t start = mach_absolute_time(); | ||
| #endif | ||
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| objc_autoreleasePoolPop(token); | ||
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| #if TIMED | ||
| elapsedTime += (mach_absolute_time() - start); | ||
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| NSLog(@"elapsedTime: %llu", elapsedTime); | ||
| // elapsedTime = 0; | ||
| #endif | ||
| } |
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