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For example, in a Unix-like operating system, the Display structure contains the file handle of the socket of this channel (this can be retrieved using the ConnectionNumber macro.) Most Xlib functions have a Display structure as an argument because they either operate on the channel or are relative to a specific channel.
The QP ports to the general purpose operating systems are interested in their own right. For example, the QP port to POSIX supports real-time extensions and works with embedded Linux, and POSIX subsystems of such RTOSes as: QNX, INTEGRITY, VxWorks, etc. Similarly, QP port to Windows can work with Windows IoT or Windows Embedded Compact.
On system architectures that implement channel I/O, typically all devices are connected by channels, and so all I/O requires the use of CCWs. CCWs are organized into channel programs by the operating system, and I/O subroutine, a utility program, or by standalone software (such as test and diagnostic programs). A limited "branching" capability ...
In computing, a channel is a model for interprocess communication and synchronization via message passing. A message may be sent over a channel, and another process or thread is able to receive messages sent over a channel it has a reference to, as a stream. Different implementations of channels may be buffered or not, and either synchronous or ...
Originally written in C++ for MIPS, Nachos runs as a user-process on a host operating system. A MIPS simulator executes the code for any user programs running on top of the Nachos operating system. Ports of the Nachos code exist for a variety of architectures. In addition to the Nachos code, a number of assignments are provided with the Nachos ...
Rodos was developed at the German Aerospace Center and has its roots in the operating system BOSS. It is used for the current micro satellite program of the German Aerospace Center. The system runs on the operational satellite TET-1 and will be used for the currently developed satellite BiROS.
SystemC is a set of C++ classes and macros which provide an event-driven simulation interface (see also discrete event simulation).These facilities enable a designer to simulate concurrent processes, each described using plain C++ syntax.
In the early 1990s, Borland dominated the C++ market. In 1991, Borland introduced Borland C++ 3.0 which included OWL 1.0. At that time, C++ was just beginning to replace C for development of commercial software, driven by the rising of the Windows platform and the rapid adoption of object-oriented design. During this period, OWL was a popular ...