diff --git a/configure.ac b/configure.ac
index 0efaaec..c8fdb5e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -626,8 +626,8 @@
 # Find the best function to set timestamps.
 AC_CHECK_FUNCS([futimens futimes futimesat utimes utime], [break])
 
-# This is nice to have but not mandatory.
-AC_CHECK_FUNCS([posix_fadvise])
+# These are nice to have but not mandatory.
+AC_CHECK_FUNCS([posix_fadvise pipe2])
 
 TUKLIB_PROGNAME
 TUKLIB_INTEGER
diff --git a/src/xz/file_io.c b/src/xz/file_io.c
index 9bd515d..20f512a 100644
--- a/src/xz/file_io.c
+++ b/src/xz/file_io.c
@@ -82,7 +82,13 @@
 	// we are root.
 	warn_fchown = geteuid() == 0;
 
-	// Create a pipe for the self-pipe trick.
+	// Create a pipe for the self-pipe trick. If pipe2() is available,
+	// we can avoid the fcntl() calls.
+#	ifdef HAVE_PIPE2
+	if (pipe2(user_abort_pipe, O_NONBLOCK))
+		message_fatal(_("Error creating a pipe: %s"),
+				strerror(errno));
+#	else
 	if (pipe(user_abort_pipe))
 		message_fatal(_("Error creating a pipe: %s"),
 				strerror(errno));
@@ -95,6 +101,7 @@
 			message_fatal(_("Error creating a pipe: %s"),
 					strerror(errno));
 	}
+#	endif
 #endif
 
 #ifdef __DJGPP__