| Defined in header |
typedef /* unspecified */ sig_atomic_t;
An integer type which can be accessed as an atomic entity even in the presence of asynchronous interrupts made by signals.
Until C++11, which introduced
std::atomic_signal_fence, about the only thing a strictly conforming program could do in a signal handler was to assign a value to a
volatile static std::sig_atomic_t variable and promptly return.
| sets a signal handler for particular signal
| fence between a thread and a signal handler executed in the same thread
| C documentation for
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