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The child process can then overlay itself with a different program (using exec) as required. [1] Each process may create many child processes but will have at most one parent process; if a process does not have a parent this usually indicates that it was created directly by the kernel.
The PowerPC 970 ("G5") was the first 64-bit Mac processor. The PowerPC 970MP was the first dual-core Mac processor and the first to be found in a quad-core configuration. It was also the first Mac processor with partitioning and virtualization capabilities. Apple only used three variants of the G5, and soon moved entirely onto Intel architecture.
The kernel allocates memory from the heap upon request by a process. [64] When the process is finished with the memory, the process may request for it to be freed. If the process exits without requesting all allocated memory to be freed, then the kernel performs garbage collection to free the memory. The kernel also ensures that a process only ...
With the release of Mac OS X Snow Leopard, and before that, since the move to 64-bit architectures in general, some software publishers such as Mozilla [1] have used the term "universal" to refer to a fat binary that includes builds for both i386 (32-bit Intel) and x86_64 systems. The same mechanism that is used to select between the PowerPC or ...
Node.js relies on nghttp2 for HTTP support. As of version 20, Node.js uses the ada library which provides up-to-date WHATWG URL compliance. As of version 19.5, Node.js uses the simdutf library for fast Unicode validation and transcoding. As of version 21.3, Node.js uses the simdjson library for fast JSON parsing.
The history of macOS, Apple's current Mac operating system formerly named Mac OS X until 2011 and then OS X until 2016, began with the company's project to replace its "classic" Mac OS. That system, up to and including its final release Mac OS 9 , was a direct descendant of the operating system Apple had used in its Mac computers since their ...
CEF 3 is a multi-process implementation based on the Chromium Content API and has performance similar to Google Chrome. [6] It uses asynchronous messaging to communicate between the main application process and one or more render processes (Blink + V8 JavaScript engine).
Copy-on-write (COW), also called implicit sharing [1] or shadowing, [2] is a resource-management technique [3] used in programming to manage shared data efficiently. Instead of copying data right away when multiple programs use it, the same data is shared between programs until one tries to modify it.