Android系统共享内存c++ 的相关内容

Android系统的Ashmem匿名共享内存子系统分析（3）- Ashmem子系统的 C/C++访问接口

在C/C++代码中，可以使用以下函数来操作Ashmem共享内存： int ashmem_create_region(const char *name, size_t size) 该函数用于创建一个匿名共享内存区域，并返回一个文件描述符。参数name表示该共享内存区域的名称，size表示共享内存区域的...

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[帮助文档] 如何在Android系统中集成企业版或旗舰版SOC

SOC是一个端到端的服务，为RTOS、Linux、Android操作系统的物联网终端提供安全审计。本文介绍了如何在Android系统中集成企业版或旗舰版SOC。

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本章节提供了把WiFi设备配置上家庭路由器以及局域网内已联网设备的发现能力，具体方案包括一键广播配网（P2P）、手机热点配网、蓝牙辅助配网、智能路由器配网以及设备间相互配网等。

[帮助文档] 如何解决在Android系统中启动某个应用时同时启动其他应用

问题描述在Android系统中使用某个应用时，弹出“是否允许启动其他应用”的提示框，并可以在应用详情的应用行为记录中看到启动记录。例如在小米的MIUI 12系统中，启动了某应用，会同时启动其他的应用，如下图所示：应用行为记录问题原因第三方SDK同时启动其他应用。比如A应用集成了SDK1，B应用也集成...

Android系统匿名共享内存（Anonymous Shared Memory）C++调用接口分析（6）

   接下来，我们再来看看server模块的实现。在external/ashmem/common目录下，只有一个源文件SharedBufferServer.cpp，它实现了内存共享服务SharedBufferService： #define LOG_TAG "...

Android系统匿名共享内存（Anonymous Shared Memory）C++调用接口分析（1）

在Android系统中，针对移动设备内存空间有限的特点，提供了一种在进程间共享数据的机制：匿名共享内存，它能够辅助内存管理系统来有效地管理内存，它的实现原理我们在前面已经分析过了。为了方便使用匿名共享内存机制，系统还提供了Java调用接口（MemoryFile）...

Android系统匿名共享内存（Anonymous Shared Memory）C++调用接口分析（4）

2. MemoryBase 文章开始时说过，MemoryBase接口是建立在MemoryHeapBase接口的基础上的，它们都可以作为一个Binder对象来在进程间进行数据共享，它们的关系如下所示： ...

Android系统匿名共享内存（Anonymous Shared Memory）C++调用接口分析（3）

回到前面BpMemoryHeap类中的assertMapped函数中，如果本BpMemoryHeap对象中的mHeapID等于-1，那么就说明这个BpMemoryHeap对象中的匿名共享内存还没准备就绪，因此，需要执行一次映射匿名共享内存的操作。 &...

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