A demonstration about multi process communication, built in UBuntu8.04 with QT, there are four process, each process have a window, an object move in the four windows.

multiProcess
............\main
............\....\main
............\....\main.c
............\....\main.c~
............\....\proc1
............\....\proc2
............\....\proc3
............\proc1
............\.....\connect.c
............\.....\connect.c~
............\.....\connect.h
............\.....\connect.h~
............\.....\connect.o
............\.....\field.cpp
............\.....\field.cpp~
............\.....\field.h
............\.....\field.h~
............\.....\field.o
............\.....\main.cpp
............\.....\main.cpp~
............\.....\main.o
............\.....\Makefile
............\.....\moc_field.cpp
............\.....\moc_field.o
............\.....\proc1
............\.....\proc1.pro
............\proc2
............\.....\connect.c
............\.....\connect.c~
............\.....\connect.h
............\.....\connect.h~
............\.....\connect.o
............\.....\field.cpp
............\.....\field.cpp~
............\.....\field.h
............\.....\field.h~
............\.....\field.o
............\.....\main.cpp
............\.....\main.cpp~
............\.....\main.o
............\.....\Makefile
............\.....\moc_field.cpp
............\.....\moc_field.o
............\.....\proc2
............\.....\proc2.pro
............\proc3
............\.....\connect.c
............\.....\connect.c~
............\.....\connect.h
............\.....\connect.o
............\.....\field.cpp
............\.....\field.cpp~
............\.....\field.h
............\.....\field.o
............\.....\main.cpp
............\.....\main.cpp~
............\.....\main.o
............\.....\Makefile
............\.....\moc_field.cpp
............\.....\moc_field.o
............\.....\proc3
............\.....\proc3.pro

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