Semaphore mechanism solves process synchronization / mutex issues

Semaphore mechanism solves process synchronization / mutex issues //我知道CSDN有許多非中文母語的人閱讀，爲解決此問題，給出英文版本，並在圖片下方非代碼部分給出中文的英文註釋。 //I know CSDN is read by many non-native Chinese speakers. In order to solve

>>阅读原文<<