Symbian OS C++ for Mobile Phones - Volume 3 by Richard Harrison (Editor), Mark Shackman (Editor)

By Richard Harrison (Editor), Mark Shackman (Editor)

Richard Harrison’s current books are the bestsellers within the Symbian Press Portfolio.  His most modern booklet, co-written with Mark Shackman is the successor to "Symbian OS C++ for cell phones" Volumes One and . Written within the comparable kind because the past volumes, this is often set to be one other gem within the series. The present fabric from the volumes should be mixed, with causes and instance code up to date to mirror the creation of Symbian OS v9.  New and simplified instance program should be brought, so as to be used during the book.  The reference and idea part specifically units this publication except the contest and enhances different books being proposed at this time.Anyone trying to find an intensive perception into Symbian OS C++ prior to relocating onto specialize on specific Symbian OS telephones want this book!  it's going to no longer train humans the way to software in C++, however it will strengthen the strategies at the back of constructing functions in Symbian OS C++, and more.This leading edge new e-book covers Symbian OS basics, center recommendations and UI.Key highlights include:A fast consultant to KernelPlatform securityPublishing ApplicationsView ArchitectureMulti-User video games

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A server provides a programming interface so that its clients can gain access to its services. A server’s clients may be applications or other servers. Each server generally runs in its own process (although for performance reasons, closely related servers may run in the same process), so that the boundary between a server and its clients is a process boundary. This provides a strong assurance of server integrity. 3, to communicate with a server, its clients need to employ client–server inter-process communication (IPC) mechanisms (see Chapter 8).

Back to HelloText. \n")); } The printf() that you would expect to find in a C ‘Hello World’ program has become Console>Printf() here. That’s because Symbian OS is object-oriented: Printf() is a member of the CConsoleBase class. The _L macro turns a C-style string into a Symbian OS-style descriptor. We’ll find out more about descriptors, and a better alternative to the _L macro, in Chapter 5. HELLO WORLD – TEXT VERSION 9 Symbian OS always starts text programs with the E32Main() function. E32Main() and ConsoleMainL() build two pieces of infrastructure needed by MainL(): a cleanup stack and a console.

This flexibility is possible because each user thread has two stacks, a user stack for user-side operation and a kernel stack that is used when the thread has crossed to the kernel side. This gives much higher pre-emptibility, leading to much shorter latency during interrupts. Executive calls may access and even modify kernel-side objects, as well as offer privileged access to hardware. On EKA2, executive calls can create and/or destroy kernel-side objects and, in general, perform allocations or de-allocations on the kernel heap.

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