check_eventfd.cpp « make - ~steering/inspircd++.git - Unnamed repository; edit this file 'description' to name the repository.

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#include <sys/eventfd.h>

int main() {
	eventfd_t efd_data;
	int fd;

	fd = eventfd(0, EFD_NONBLOCK);
	eventfd_read(fd, &efd_data);

	return (fd < 0);
}