Shm_open : Creates a Shared memory region or attaches to an existing, named region.
shm_open：创建共享内存段或连接到现有的已命名内存段。
shm_unlink(): Deletes a shared memory region given a file descriptor (returned from shm_open()).
shm_unlink()：根据（shm_open()返回的）文件描述符，删除共享内存段。
The working storage pages for shared memory regions are not released until the shared memory region is deleted.
对于共享内存区域，直到删除共享内存区域之后，才会释放其工作存储分页。
Any process can write data to a Shared memory region, and the data are readable and modified by other processes.
任何进程都可以向共享内存区域写入数据，并且数据可以由其他进程读取或修改。
Note that each process can map the Shared memory region to different addresses in their respective address Spaces.
注意，每个进程可能在其各自的地址空间中映射共享内存区域到不同地址。
For DB2, the largest consumer of system main memory is its buffer pool, which is basically a single, large Shared memory region.
对于DB2，系统主存的最大消耗者是它的缓冲池，这个缓冲池基本上是一个单独的、较大的共享内存区域。
The overflow buffer is used to satisfy peak memory requirements for any heap in the instance Shared memory region whenever a heap exceeds its configured size.
每当某个堆超出了其配置的大小时，便可以使用溢出缓冲区来满足实例共享内存区内任何堆的峰值需求。
The slot manager runs as a daemon to control the number of token slots provided to applications, and it interacts with applications using a Shared memory region.
槽管理器作为守护进程来运行以控制向应用程序提供的令牌槽数，并且使用一个共享内存区域与应用程序交互。
DB2 supports all the page sizes (4-kilobyte, 64-kilobyte, 16-megabyte, and 16-gigabyte) that are available with the underlying system for its buffer-pool-shared memory region.
DB 2支持缓冲池共享内存区域使用底层系统上可用的所有页面大小(4KB、64KB、16 MB和16 GB)。
Any other applications attempting to use the subsystem must first attach to the Shared memory region and register as part of the API initialization process, so pkcsslotd is aware of the application.
任何其它试图使用子系统的应用程序必须首先附加到共享内存区域并作为API初始化进程的一部分注册，所以pkcsslotd知道应用程序。
Shared memory allows multiple processes to map a portion of their virtual address to a common memory region.
共享内存允许多个进程将它们的部分虚地址映射到一个公用的内存区域。
The daemon will constantly search through its region of Shared memory and make sure that a process is actually running when it is attached to a token.
守护进程不断地搜索它在共享内存中的区域以确定附加到令牌的进程真的在运行。
The window server provides a region of Shared memory to clients for drawing and then composites this into the frame buffer (on the GPU).
窗口服务器为客户提供了一块共用内存区域用来绘图，然后(用gpu)将其混合为帧缓冲。
The window server provides a region of Shared memory to clients for drawing and then composites this into the frame buffer (on the GPU).
窗口服务器为客户提供了一块共用内存区域用来绘图，然后(用gpu)将其混合为帧缓冲。
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