1. PROCESS COUNTER Written by Hoon-Seung Jeong www.jhs.pe.kr
OPERATING SYSTEM PROGRAMMING ASSIGNMENT
PROCESS COUNTER
Dept. of Computer & Information Science KOREA UNIVERSITY
Written by Hoon-Seung Jeong

2. ■ TABLE OF CONTENTS SYSTEM ENVIRONMENT SYSTEM DESCRIPTION
TEST DESCRIPTION
USER DOCUMENTATION
SELF-EVALUATION ●

3. JHS.PE.KR ■ SYSTEM ENVIRONMENT AMD Turion 1.60GHz Dual Windows XP20
JHS.PE.KR
Windows XP 10 30
2.0GB RAM
Visual Studio
2005 .NET

4. CreateToolhelp32Snapshot
■ SYSTEM DESCRIPTION (1/2)
CreateToolhelp32Snapshot
Declare PROCESSENTRY32
PROCESSENTRY32.dwSize =
sizeof(PROCESSENTRY32)
Infinite Loop!
Process32First
Process32Next
PRINT LIST

5. ■ SYSTEM DESCRIPTION (2/2)
Important Function
If only three functions to be needed, the time you list up the processes.
CreateToolhelp32Snapshot( ), Process32First( ), Process32Next( )
Use the snapshot handle in the case of CreateToolhelp32Snapshot( ).
First, use Process32First( ).
Next, use Process32Next( ) continue until return false.
If return false, return the handle to CloseHandle( ).

6. ■ TEST DESCRIPTION
Execute Someone
End Someone

7. ■ USER DOCUMENTATION (1/2)
main( )
Process32First
Process32Next
and count++
Not Searched Process
Return FALSE
Searched Process
Print List
>> Go forward C++ source code

8. ■ USER DOCUMENTATION (2/2)

9. 95 ■ SELF-EVALUATION Consultation