Download UNIX Network Programming, Volume 2: Interprocess by W. Richard Stevens PDF

By W. Richard Stevens

Well-implemented interprocess communications (IPC) are key to the functionality of almost each non-trivial UNIX software. In UNIX community Programming, quantity 2, moment Edition, mythical UNIX professional W. Richard Stevens offers a accomplished advisor to each kind of IP, together with message passing, sychronization, shared reminiscence, and distant approach Calls (RPC).
Stevens starts off with a easy advent to IPC and the issues it really is meant to resolve. step by step you'll the right way to maximize either approach V IPC and the hot Posix criteria, which supply dramatic advancements in comfort and function. You'll locate vast assurance of Pthreads, with many examples reflecting a number of threads rather than a number of strategies. alongside the way in which, you'll grasp each present IPC strategy and expertise, including:
* Pipes and FIFOs
* Posix and approach V Message Queues
* Mutexes and Variables
* Read-Write Locks
* checklist Locking
* Posix and method V Semaphores
* Posix and method V Shared Memory
* Solaris doorways and solar RPC
* functionality Measurements of IPC Techniques

If you've learn Stevens' best-selling first version of UNIX community Programming, this ebook expands its IPC insurance by way of an element of 5. You won't simply find out about IPC "from the outside". You'll really create implemenations of Posix message queues, read-write locks, and semaphores, gaining an in-depth realizing of those features you just can't get at any place else.

The publication comprises large new resource code -- all conscientiously optimized and on hand on the internet. You'll even discover a entire consultant to measuring IPC functionality with message passing bandwidth and latency courses, and thread and strategy synchronization programs.

The larger you know IPC, the higher your UNIX software program will run. This e-book includes all you want to know.

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Extra resources for UNIX Network Programming, Volume 2: Interprocess Communications (2nd Edition)

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When Make automatically invokes the C compiler, it adds the CFLAGS variable to the command line. c -o foo USING THE MAKE UTILITY 27 Phony Targets Programmers often use make for purposes other than building executables. It’s really a general-purpose project management tool. For instance, I’m currently using a makefile so that I don’t have to delete a bunch of files and then run LATEX, makeindex, and dvips every time I want a preview of this book. o rm foo The clean target has no dependencies, and is therefore built only when it is specifically requested on the command line.

After executing this line of code, the program should continue through the loop. Let’s see what happens: (gdb)n Counter is now 10 8 return 0; That’s not good - the program moved on to line 8, meaning that the loop is no longer running. It is now fairly obvious that line 7 is not part of the loop. We can take a quick look at the source code with the l (list) command: (gdb)l 3 4 5 6 7 8 9 int main() { int i; for (i = 0; i < 10; i++); printf("Counter is now %i\n",i); return 0; } At this point the programmer would hopefully notice the extra semicolon and fix the problem (one would hope that the programmer would have found it before the gdb session, but we all make dumb mistakes).

Finished products should almost always be compiled with optimization enabled. -pedantic Enable a strict interpretation of the ANSI C Standard. Compile with -pedantic -W -Wall if you want gcc to nag you about sloppy programming. That’s it for gcc! There are a few quirks and obscure features, but we’ll get to those as we need them1 . Like most GNU tools, gcc comes with excellent online documentation. In particular, refer to the manpage or info node for a description of gcc’s command line options.

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