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Evdev and libevdev form a prominent part of the Linux API.. evdev (short for 'event device') is a generic input event interface in the Linux kernel and FreeBSD. [1] It generalizes raw input events from device drivers and makes them available through character devices in the /dev/input/ directory.
Kqueue not only handles file descriptor events but is also used for various other notifications such as file modification monitoring, signals, asynchronous I/O events (AIO), child process state change monitoring, and timers which support nanosecond resolution, furthermore kqueue provides a way to use user-defined events in addition to the ones ...
The identifier item will typically be a sub-set of the slist data (if the latter offers a choice), otherwise they too will be identical. The -o element can specify an output filename chosen by the user. Specifying the complete playpath is unnecessary, as that element is constructed in memory by the client application. Typically, in memory it ...
Type 1 - Clear the Buffer. Type 2 - Stream Dry. Type 3 - The client's buffer time. The third parameter holds the value in millisecond. Type 4 - Reset a stream. Type 6 - Ping the client from server. The second parameter is the current time. Type 7 - Pong reply from client. The second parameter is the time when the client receives the Ping.
D-Bus (short for "Desktop Bus" [4]) is a message-oriented middleware mechanism that allows communication between multiple processes running concurrently on the same machine. [5] [6] D-Bus was developed as part of the freedesktop.org project, initiated by GNOME developer Havoc Pennington to standardize services provided by Linux desktop environments such as GNOME and KDE.
The event loop almost always operates asynchronously with the message originator. When the event loop forms the central control flow construct of a program, as it often does, it may be termed the main loop or main event loop. This title is appropriate, because such an event loop is at the highest level of control within the program.
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watch is a command-line tool, part of the Linux procps and procps-ng packages, that runs the specified command repeatedly and displays the results on standard output so the user can watch it change over time. By default, the command is run every two seconds, although this is adjustable with the -n secs argument.