Question:Which of the following techniques will guarantee a lock safe from any race condition?
A Using flock() to lock the desired file
B fopen()’ing a file in the operating system’s temporary directory
C Creating a temporary file with tempnam()
D Using mkdir() to create a directory and use it as a lock reference
E Using tmpfile() to create a temporary file
+ AnswerD
+ Explanation
+ Report
Total Preview: 981