unix: add non block send and receive flavors for fd passing

[lttng-tools.git] / src / common / unix.h

diff --git a/src/common/unix.h b/src/common/unix.h
index 886b40e73fb320536b2d91cab6fa73ce164947dd..0cce81b7fb1536c94ffd7dc95f7c08fcc4702a03 100644 (file)
--- a/src/common/unix.h
+++ b/src/common/unix.h
@@ -1,18 +1,8 @@
 /*
- * Copyright (C) 2012 - David Goulet <dgoulet@efficios.com>
+ * Copyright (C) 2012 David Goulet <dgoulet@efficios.com>
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License, version 2 only, as
- * published by the Free Software Foundation.
+ * SPDX-License-Identifier: GPL-2.0-only
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 51
- * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
 #ifndef _LTTCOMM_UNIX_H
@@ -39,10 +29,15 @@ int lttcomm_close_unix_sock(int sock);
 
 /* Send a message accompanied by fd(s) over a unix socket. */
 LTTNG_HIDDEN
-ssize_t lttcomm_send_fds_unix_sock(int sock, int *fds, size_t nb_fd);
+ssize_t lttcomm_send_fds_unix_sock(int sock, const int *fds, size_t nb_fd);
+LTTNG_HIDDEN
+ssize_t lttcomm_send_fds_unix_sock_non_block(
+               int sock, const int *fds, size_t nb_fd);
 /* Recv a message accompanied by fd(s) from a unix socket */
 LTTNG_HIDDEN
 ssize_t lttcomm_recv_fds_unix_sock(int sock, int *fds, size_t nb_fd);
+LTTNG_HIDDEN
+ssize_t lttcomm_recv_fds_unix_sock_non_block(int sock, int *fds, size_t nb_fd);
 
 LTTNG_HIDDEN
 ssize_t lttcomm_recv_unix_sock(int sock, void *buf, size_t len);