9d487050a1
this PR close #124474 when calling `read` and `recv` function for a non-block file descriptor or a invalid file descriptor(`-1`), it will not cause block inside a critical section. this commit checks for non-block file descriptor assigned by `open` function with `O_NONBLOCK` flag. --------- Co-authored-by: Balazs Benics <benicsbalazs@gmail.com>
14 lines
205 B
C++
14 lines
205 B
C++
#pragma clang system_header
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namespace std {
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struct mutex {
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void lock();
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void unlock();
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};
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template <typename T> struct lock_guard {
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lock_guard(std::mutex &);
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~lock_guard();
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};
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} // namespace std
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