library function was not kiiled.
I used SDL thread library.
first.
I created thread of library function which runs in "while(1)" by using my GUI "start button".
second.
I killed thread by using my GUI "stop button".
third.
Again, I pressed start button. As a result of that program was broken.(in other words "SEGMENT FAULT"
I did know why program was broken through debbuging.
Because the library functions can't delete memory which was allocated by "malloc" function.
I wondering what happened.
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