85 static int clear_counter(int fd)  in clear_counter()  argument
90 	ret = read(fd, &dummy, sizeof(dummy));  in clear_counter()
111 static int set_counter(int fd, uint64_t val)  in set_counter()  argument
115 	ret = clear_counter(fd);  in set_counter()
119 	ret = write(fd, &val, sizeof(val));  in set_counter()
131 static void read_test(int fd, uint64_t required)  in read_test()  argument
136 	ret = read(fd, &val, sizeof(val));  in read_test()
152 static void read_eagain_test(int fd)  in read_eagain_test()  argument
157 	ret = clear_counter(fd);  in read_eagain_test()
163 	ret = read(fd, &val, sizeof(val));  in read_eagain_test()
176 static void write_test(int fd)  in write_test()  argument
183 	ret = set_counter(fd, val);  in write_test()
189 	read_test(fd, val);  in write_test()
196 static void write_eagain_test(int fd)  in write_eagain_test()  argument
201 	ret = set_counter(fd, UINT64_MAX - 1);  in write_eagain_test()
208 	ret = write(fd, &val, sizeof(val));  in write_eagain_test()
222 static void read_einval_test(int fd)  in read_einval_test()  argument
227 	ret = read(fd, &invalid, sizeof(invalid));  in read_einval_test()
241 static void write_einval_test(int fd)  in write_einval_test()  argument
246 	ret = write(fd, &invalid, sizeof(invalid));  in write_einval_test()
261 static void write_einval2_test(int fd)  in write_einval2_test()  argument
266 	ret = clear_counter(fd);  in write_einval2_test()
273 	ret = write(fd, &val, sizeof(val));  in write_einval2_test()
289 static void readfd_set_test(int fd)  in readfd_set_test()  argument
297 	FD_SET(fd, &readfds);  in readfd_set_test()
299 	ret = set_counter(fd, non_zero);  in readfd_set_test()
306 	ret = select(fd + 1, &readfds, NULL, NULL, &timeout);  in readfd_set_test()
313 	if (FD_ISSET(fd, &readfds))  in readfd_set_test()
323 static void readfd_not_set_test(int fd)  in readfd_not_set_test()  argument
330 	FD_SET(fd, &readfds);  in readfd_not_set_test()
332 	ret = clear_counter(fd);  in readfd_not_set_test()
338 	ret = select(fd + 1, &readfds, NULL, NULL, &timeout);  in readfd_not_set_test()
345 	if (!FD_ISSET(fd, &readfds))  in readfd_not_set_test()
355 static void writefd_set_test(int fd)  in writefd_set_test()  argument
363 	FD_SET(fd, &writefds);  in writefd_set_test()
365 	ret = set_counter(fd, non_max);  in writefd_set_test()
372 	ret = select(fd + 1, NULL, &writefds, NULL, &timeout);  in writefd_set_test()
379 	if (FD_ISSET(fd, &writefds))  in writefd_set_test()
389 static void writefd_not_set_test(int fd)  in writefd_not_set_test()  argument
396 	FD_SET(fd, &writefds);  in writefd_not_set_test()
398 	ret = set_counter(fd, UINT64_MAX - 1);  in writefd_not_set_test()
404 	ret = select(fd + 1, NULL, &writefds, NULL, &timeout);  in writefd_not_set_test()
411 	if (!FD_ISSET(fd, &writefds))  in writefd_not_set_test()
420 static void child_inherit_test(int fd)  in child_inherit_test()  argument
445 		ret = read(fd, &val, sizeof(val));  in child_inherit_test()
459 		ret = read(fd, &dummy, sizeof(dummy));  in child_inherit_test()
465 		ret = write(fd, &to_parent, sizeof(to_parent));  in child_inherit_test()
501 static int trigger_eventfd_overflow(int evfd, int *fd, io_context_t * ctx)  in trigger_eventfd_overflow()  argument
517 	*fd = open("testfile", O_RDWR | O_CREAT, 0644);  in trigger_eventfd_overflow()
518 	if (*fd == -1) {  in trigger_eventfd_overflow()
529 	io_prep_pwrite(&iocb, *fd, buf, sizeof(buf), 0);  in trigger_eventfd_overflow()
550 	close(*fd);  in trigger_eventfd_overflow()
558 static void cleanup_overflow(int fd, io_context_t ctx)  in cleanup_overflow()  argument
560 	close(fd);  in cleanup_overflow()
568 	int fd;  in overflow_select_test()  local
572 	ret = trigger_eventfd_overflow(evfd, &fd, &ctx);  in overflow_select_test()
590 	cleanup_overflow(fd, ctx);  in overflow_select_test()
596 	int fd;  in overflow_poll_test()  local
600 	ret = trigger_eventfd_overflow(evfd, &fd, &ctx);  in overflow_poll_test()
606 	pollfd.fd = evfd;  in overflow_poll_test()
618 	cleanup_overflow(fd, ctx);  in overflow_poll_test()
625 	int fd;  in overflow_read_test()  local
628 	ret = trigger_eventfd_overflow(evfd, &fd, &ctx);  in overflow_read_test()
644 	cleanup_overflow(fd, ctx);  in overflow_read_test()
666 	int fd;  in main()  local
678 		fd = myeventfd(einit, 0);  in main()
679 		if (fd == -1)  in main()
683 		ret = fcntl(fd, F_SETFL, O_NONBLOCK);  in main()
688 		read_test(fd, einit);  in main()
689 		read_eagain_test(fd);  in main()
690 		write_test(fd);  in main()
691 		write_eagain_test(fd);  in main()
692 		read_einval_test(fd);  in main()
693 		write_einval_test(fd);  in main()
694 		write_einval2_test(fd);  in main()
695 		readfd_set_test(fd);  in main()
696 		readfd_not_set_test(fd);  in main()
697 		writefd_set_test(fd);  in main()
698 		writefd_not_set_test(fd);  in main()
699 		child_inherit_test(fd);  in main()
700 		overflow_select_test(fd);  in main()
701 		overflow_poll_test(fd);  in main()
702 		overflow_read_test(fd);  in main()
704 		close(fd);  in main()