diff options
Diffstat (limited to 'mozglue/android/SharedMemNatives.cpp')
-rw-r--r-- | mozglue/android/SharedMemNatives.cpp | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/mozglue/android/SharedMemNatives.cpp b/mozglue/android/SharedMemNatives.cpp deleted file mode 100644 index d186d6e21..000000000 --- a/mozglue/android/SharedMemNatives.cpp +++ /dev/null @@ -1,65 +0,0 @@ -/* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*- - * This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ - -#include <jni.h> -#include <string.h> -#include <sys/mman.h> - -extern "C" { - -JNIEXPORT -void JNICALL -Java_org_mozilla_gecko_mozglue_SharedMemBuffer_nativeReadFromDirectBuffer(JNIEnv* jenv, jclass, jobject src, jlong dest, jint offset, jint size) -{ - uint8_t* from = static_cast<uint8_t*>(jenv->GetDirectBufferAddress(src)); - if (from == nullptr) { - jenv->ThrowNew(jenv->FindClass("java/lang/NullPointerException"), "Null direct buffer"); - return; - } - - void* to = reinterpret_cast<void*>(dest); - if (to == nullptr) { - jenv->ThrowNew(jenv->FindClass("java/lang/NullPointerException"), "Null shared memory buffer"); - return; - } - - memcpy(to, from + offset, size); -} - -JNIEXPORT -void JNICALL -Java_org_mozilla_gecko_mozglue_SharedMemBuffer_nativeWriteToDirectBuffer(JNIEnv* jenv, jclass, jlong src, jobject dest, jint offset, jint size) -{ - uint8_t* from = reinterpret_cast<uint8_t*>(src); - if (from == nullptr) { - jenv->ThrowNew(jenv->FindClass("java/lang/NullPointerException"), "Null shared memory buffer"); - return; - } - - void* to = jenv->GetDirectBufferAddress(dest); - if (to == nullptr) { - jenv->ThrowNew(jenv->FindClass("java/lang/NullPointerException"), "Null direct buffer"); - return; - } - - memcpy(to, from + offset, size); -} - -JNIEXPORT -jlong JNICALL -Java_org_mozilla_gecko_mozglue_SharedMemory_map(JNIEnv *env, jobject jobj, jint fd, jint length) -{ - void* address = mmap(NULL, length, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); - return jlong(address); -} - -JNIEXPORT -void JNICALL -Java_org_mozilla_gecko_mozglue_SharedMemory_unmap(JNIEnv *env, jobject jobj, jlong address, jint size) -{ - munmap((void*)address, (size_t)size); -} - -}
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