git clone https://github.com/DaryaVkh/lock_files.git
cd lock_files
make all
bash runme.sh

cat statistic.txt

---Statistic---
Process PID: 8158 (4 locks, 3 unlocks). ERROR OCCURRED
Process PID: 8162 (1 locks, 0 unlocks). ERROR OCCURRED
Process PID: 8167 (1 locks, 0 unlocks). ERROR OCCURRED
Process PID: 8169 (1 locks, 0 unlocks). ERROR OCCURRED
Process PID: 8171 (1 locks, 0 unlocks). ERROR OCCURRED
Process PID: 8164 (4 locks, 3 unlocks). ERROR OCCURRED
Process PID: 8173 (2 locks, 1 unlocks). ERROR OCCURRED
Process PID: 8183 (2 locks, 1 unlocks). ERROR OCCURRED
Process PID: 8197 (2 locks, 1 unlocks). ERROR OCCURRED
Process PID: 8199 (61 locks, 60 unlocks).