What will happen if fwrite & fclose are called in parallel from two threads for the same file descriptor?
What will happen if fwrite & fclose are called in parallel from two threads
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What will happen if fwrite & fclose are called in parallel from two threads for the same file descriptor?
fwriteandfcloseoperate on theFILEdata structure. Since this is a largish data structure that does store more than just the file descriptor, the answer is bad things.Don’t do this unless you ensure atomic operation using mutexes.