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An alternative, more portable solution, is to convert asynchronous events to file-based events using the self-pipe trick, [2] where "a signal handler writes a byte to a pipe whose other end is monitored by select() in the main program". [3] In Linux kernel version 2.6.22, a new system call signalfd() was added, which allows receiving signals ...
Smalltalk uses a type-based message dispatcher. Each instance has a single type whose definition contains the methods. When an instance receives a message, the dispatcher looks up the corresponding method in the message-to-method map for the type and then invokes the method. Because a type can have a chain of base types, this look-up can be ...
Message passing is a technique for invoking behavior (i.e., running a program) on a computer. In contrast to the traditional technique of calling a program by name, message passing uses an object model to distinguish the general function from the specific implementations. The invoking program sends a message and relies on the object to select ...
systemd is a software suite that provides an array of system components for Linux [7] operating systems. The main aim is to unify service configuration and behavior across Linux distributions. [8] Its primary component is a "system and service manager" — an init system used to bootstrap user space and manage user processes.
Name Owner Platforms License; Chromium Embedded Framework (CEF) : CEF Project Page Linux, macOS, Microsoft Windows: Free: BSD CEGUI: CEGUI team Linux, macOS ...
It receives control in kernel mode as the result of an interrupt or system call. The functions of a dispatcher involve the following: Context switches, in which the dispatcher saves the state (also known as context) of the process or thread that was previously running; the dispatcher then loads the initial or previously saved state of the new ...
ftrace – a tracing framework for the Linux kernel, capable of tracing scheduling events, interrupts, memory-mapped I/O, CPU power state transitions, etc. ktrace – a BSD Unix and macOS utility that traces kernel–program interactions; ltrace – a Linux debugging utility, displays the calls a userland application makes to shared libraries
Multiple dispatch should be distinguished from function overloading, in which static typing information, such as a term's declared or inferred type (or base type in a language with subtyping) is used to determine which of several possibilities will be used at a given call site, and that determination is made at compile or link time (or some ...