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Windows Operating Environment

Windows Operating Environment. Windows Operating Environment. 64 bit operating environment – Windows 7 Microsoft Visual Studio.net 2010 STB Rooms 460, 462, 464 75 machines – Intel Dual Core class Personal storage on remote machines Q: drive (60 MB), Y: drive (100MB)

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Windows Operating Environment

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  1. Windows Operating Environment

  2. Windows Operating Environment • 64 bit operating environment – Windows 7 • Microsoft Visual Studio.net 2010 • STB Rooms 460, 462, 464 • 75 machines – Intel Dual Core class • Personal storage on remote machines • Q: drive (60 MB), Y: drive (100MB) • Most programs on local hosts cs423-cotter 2

  3. Windows Operating Environment • Tools Available on SCE machines: • Web Browsers (Netscape, Explorer) • Business tools (MS Office) • Math tools (Maple, Matlab) • Programming tools ( MSVS2008, etc. ) • ftp • telnet • etc. cs423-cotter 3

  4. Find IP Address of W7 Machine • Start -- Programs -- Command Prompt • Brings up a text window • At text prompt: route print C:\users>route print Active Routes: Network Address Netmask Gateway Address Interface Metric 0.0.0.0 0.0.0.0 134.193.2.254 134.193.2.253 1 127.0.0.0 255.0.0.0 127.0.0.1 127.0.0.1 1 134.193.2.0 255.255.255.0 134.193.2.253 134.193.2.253 1 134.193.2.253 255.255.255.255 127.0.0.1 127.0.0.1 1 134.193.255.255 255.255.255.255 134.193.2.253 134.193.2.253 1 224.0.0.0 224.0.0.0 134.193.2.253 134.193.2.253 1 255.255.255.255 255.255.255.255 134.193.2.253 134.193.2.253 1 cs423-cotter 4

  5. Using ipconfig: Q:\>ipconfig Windows 2000 IP Configuration Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : ddns.umkc.edu IP Address. . . . . . . . . . . . : 134.193.2.253 Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : 134.193.2.254 Q:\> cs423-cotter 5

  6. Windows Programming Environment - MS Dev Studio

  7. Visual Studio .NET

  8. Windows ProgrammingStart New Project • Microsoft Visual Studio .Net • Start -- Programs -- MS Visual Studio -- MS Visual Studio • To create a new project: • From Start Page: Create – Project • Select Win32 Console Application • Identify storage location for new project • Provide Project name • OK

  9. New Project Window

  10. Windows ProgrammingAdd / Create files • Project – Add Existing Item – C++ File • Locate desired files. • Repeat for all needed files • For new files: • Project -- Add New Item – C++ File • Identify file.

  11. Windows ProgrammingAdd Libraries • Project -- Properties • linker tab -- category = Input -- add library names to “Additional Dependencies” • for sockets, add “wsock32.lib”

  12. Add Libraries

  13. To support Multi-threaded Programs: • Select Project  Program Properties • Select C/C++ tab • Code Generation subtab • Runtime Library item: • Default may be “Single-threaded Debug (/MLd)” • Select “Multi-threaded Debug (/MTd)”

  14. Windows ProgrammingSelect Active Configuration • Two compile configurations available • Release • Debug • Build – select “Configuration Manager” • Select either Debug or Release • Note that debug versions create large (megabyte) files.

  15. Active / Debug Configuration

  16. Windows ProgrammingBuild and Execute Project • Build -- Build “project_name” • Check message window for compile and link status. • If no errors are indicated, execute program. • Debug – “Start Debugging” or “Start Without Debugging”

  17. Windows Threads • Similar in concept to processes, but designed to identify multiple activities that can be scheduled independently. • All programs have at least 1 thread -- main ( ) program • Any thread can create new threads.

  18. Windows Threads • In C language (console mode): unsigned long _beginthread ( void(_cdecl *start_address)(void *), unsigned stack_size, void *arglistv ); Required Header: <process.h> Required Libraries: LIBCMT.LIB or MSVCRT.LIB

  19. _beginthread ( ) • void(_cdecl *start_address)(void *), • Start address of the routine that will begin the thread • The routine must have no return value • unsigned stack_size, • Provide either a stack size for new thread or, if value is 0, use the same stack size as “parent thread” uses. • void *arglist • Address of data item passed to new thread or NULL if nothing passed

  20. consum.cpp - multithreading #include <stdlib.h> #include <stdio.h> #include <process.h> void addem(void *); int main(intargc, char *argv[]) { int number = 4; _beginthread( addem, 0,(void *)&number); number++; addem(&number); return 0; }

  21. consum.cpp - multithreading void addem(void * vcount) { int i, count, sum; sum = 0; count = *(int *)vcount; for (i=0; i<=count; ++i) { printf("The value of i is %d\n", i); fflush(stdout); sum += i; } printf("The sum is %d\n", sum); fflush(stdout); }

  22. consum.cpp - Results The value of i is 0 The value of i is 1 The value of i is 2 The value of i is 3 The value of i is 4 The value of i is 5 The sum is 15

  23. consum2.cpp – multithreading(NOT the best Approach) #include <stdlib.h> #include <stdio.h> #include <process.h> #include <windows.h> void addem(void *); int main(intargc, char *argv[]) { int number = 4; _beginthread( addem, 0,(void *)&number); Sleep (100L); number++; addem(&number); return 0; }

  24. consum2.cpp – multithreading(NOT the best Approach) void addem(void *vcount) { int i, sum, count; count = *(int *)vcount; sum = 0; for (i=0; i<=count; ++i) { printf("The value of i is %d\n", i); fflush(stdout); sum += i; } printf("The sum is %d\n", sum); fflush(stdout); }

  25. consum.cpp - Results The value of i is 0 The value of i is 1 The value of i is 2 The value of i is 3 The value of i is 4 The sum is 10 The value of i is 0 The value of i is 1 The value of i is 2 The value of i is 3 The value of i is 4 The value of i is 5 The sum is 15

  26. consumfloat.cpp #include <windows.h> , <stdlib.h, <stdio.h>, <process.h> void p_func(void *); int flag; int main(int argc, char *argv[]) { float num, num2; num = 9.0f; num2 = 12.0f; flag = 0; _beginthread(p_func, 0, (void *)&num); while (flag == 0) ; p_func((void *)&num2); return 0; }

  27. consumfloat.cpp void p_func(void * vcount) { float *numptr; int number, i, prod; flag = 1; numptr = (float*) vcount; number = (int) *numptr; prod = 1; for (i = 1; i <= number; i++) prod = prod * i; printf("The number is %d\n", number); printf ("The factorial product is %d\n", prod); printf("The float is %5.2f\n", *numptr); fflush(stdout); }

  28. Consumfloat.cpp Results The number is 9 The factorial product is 362880 The float is 9.00 The number is 12 The factorial product is 479001600 The float is 12.00 Press any key to continue . . .

  29. Summary • Many Windows Integrated Development Environments (IDEs) available to develop C++ programs. • UMKC Labs provide Microsoft Visual Studio • Multi-threading supported in Windows IDEs. • Just remember load the correct runtime libraries(typically done by default).

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