selftests/user_events/ftrace_test.c

204 	int data_fd;
216 	self->data_fd = open(data_file, O_RDWR);
217 	ASSERT_NE(-1, self->data_fd);
226 	close(self->data_fd);
252 	ASSERT_EQ(0, ioctl(self->data_fd, DIAG_IOCSREG, &reg));
256 	ASSERT_EQ(-1, ioctl(self->data_fd, DIAG_IOCSREG, &reg));
261 	ASSERT_EQ(0, ioctl(self->data_fd, DIAG_IOCSREG, &reg));
267 	ASSERT_EQ(-1, ioctl(self->data_fd, DIAG_IOCSREG, &reg));
284 	ASSERT_EQ(-1, ioctl(self->data_fd, DIAG_IOCSDEL, "__test_event"));
288 	ASSERT_EQ(0, ioctl(self->data_fd, DIAG_IOCSUNREG, &unreg));
290 	ASSERT_EQ(0, ioctl(self->data_fd, DIAG_IOCSUNREG, &unreg));
293 	close(self->data_fd);
321 	ASSERT_EQ(0, ioctl(self->data_fd, DIAG_IOCSREG, &reg));
328 	ASSERT_EQ(-1, writev(self->data_fd, (const struct iovec *)io, 3));
334 	ASSERT_EQ(-1, writev(self->data_fd, (const struct iovec *)io, 3));
346 	ASSERT_NE(-1, writev(self->data_fd, (const struct iovec *)io, 3));
352 	ASSERT_EQ(-1, writev(self->data_fd, (const struct iovec *)io, 3));
371 	ASSERT_EQ(0, ioctl(self->data_fd, DIAG_IOCSREG, &reg));
384 	ASSERT_NE(-1, writev(self->data_fd, (const struct iovec *)io, 1));
410 	ASSERT_EQ(0, ioctl(self->data_fd, DIAG_IOCSREG, &reg));
418 	ASSERT_NE(-1, writev(self->data_fd, (const struct iovec *)io, 2));
422 	ASSERT_NE(-1, writev(self->data_fd, (const struct iovec *)io, 2));
440 	ASSERT_EQ(0, ioctl(self->data_fd, DIAG_IOCSREG, &reg));
453 	ASSERT_EQ(-1, writev(self->data_fd, (const struct iovec *)io, 1));
466 	ASSERT_NE(-1, writev(self->data_fd, (const struct iovec *)io, 3));
472 	ASSERT_EQ(-1, writev(self->data_fd, (const struct iovec *)io, 3));
477 	ASSERT_EQ(-1, writev(self->data_fd, (const struct iovec *)io, 3));
482 	ASSERT_EQ(-1, writev(self->data_fd, (const struct iovec *)io, 3));
487 	ASSERT_EQ(-1, writev(self->data_fd, (const struct iovec *)io, 3));
493 	ASSERT_EQ(-1, writev(self->data_fd, (const struct iovec *)io, 3));