drivers/tty/tty-test.cpp

68 	void Add(int fd)
70 		if (fd < 0 || fd >= FD_SETSIZE) {
71 			fprintf(stderr, "FDSet::Add(%d): Invalid FD.\n", fd);
75 		FD_SET(fd, this);
76 		if (fd >= fCount)
77 			fCount = fd + 1;
133 	void AddReadFD(int fd)
135 		fReadSet.Add(fd);
138 	void AddWriteFD(int fd)
140 		fWriteSet.Add(fd);
143 	void AddErrorFD(int fd)
145 		fErrorSet.Add(fd);
305 	static void WriteUntilBlock(int fd)
308 		if (fcntl(fd, F_SETFL, O_NONBLOCK) < 0) {
319 			bytesWritten = write(fd, buffer, sizeof(buffer));
329 		if (fcntl(fd, F_SETFL, 0) < 0) {
336 	static void ReadDontFail(int fd, int32 size)
347 				bytesRead = read(fd, buffer, toRead);
360 	static void WriteDontFail(int fd, int32 size)
372 				bytesWritten = write(fd, buffer, toWrite);
385 	void SetEcho(int fd)
407 	int fd = open(path, O_RDWR | (master ? 0 : O_NOCTTY));
409 	if (fd < 0) {
415 	return fd;
420 close_tty(int &fd)
422 	if (fd >= 0) {
423 		close(fd);
424 		fd = -1;
668 		int fd = (fTestMaster ? fMaster : fSlave);
671 		selectSet.AddReadFD(fd);
672 		selectSet.AddWriteFD(fd);
673 		selectSet.AddErrorFD(fd);
679 			compareSet.AddReadFD(fd);
680 			compareSet.AddErrorFD(fd);
682 		compareSet.AddWriteFD(fd);
773 		int fd = (fTestMaster ? fMaster : fSlave);
775 			WriteDontFail(fd, 1);
777 			ReadDontFail(fd, 1);
784 		int fd = (fTestMaster ? fMaster : fSlave);
790 			selectSet.AddWriteFD(fd);
791 			compareSet.AddWriteFD(fd);
793 			selectSet.AddReadFD(fd);
794 			compareSet.AddReadFD(fd);
837 		int fd = (fTestMaster ? fMaster : fSlave);
842 		err = ioctl(fd, FIONREAD, NULL);
849 		err = ioctl(fd, FIONREAD, (void *)1);
856 		err = ioctl(fd, FIONREAD, &toRead);
865 		err = ioctl(fd, FIONREAD, &toRead);
872 		err = ioctl(fd, FIONREAD, &toRead);
878 		err = ioctl(fd, FIONREAD, &toRead);
882 		ReadDontFail(fd, toRead);
884 		err = ioctl(fd, FIONREAD, &toRead);