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add system-V semaphores to program.

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add threads to existing program and add system-V semaphores to program. This works with Xwin program. Add to the code that's already provided.

 

Your assignment is:

1. Add a thread function to your xwinpl.c program.

2. The parent will start the thread running.

3. When a key is pressed, the text will continuously move to the right.

4. Whtn it reaches a limit, it will move bock to the left.

5. Keep the text moving right then left until the key is pressed again.

The movement of the text will be done inside the thread function.

Do not call render from the thread.

The main function event ioop will call render.

Something like this:

while (!done) {

while (events) {

I/process events

)

renderO;

usleep(400ee);

Goal after pressing a key one time.

A thread will move the text.

T  the psr,t.

A tWeed Is moving thIs textl

Press T to move (amd stop) the text.

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