2 * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; only version 2
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 * Send msg containing a command to an UST application via sock and wait for
26 * the reply. Caller must free() the reply structure sent back.
28 * Return the replied structure or NULL.
30 struct lttcomm_ust_reply
*ustcomm_send_command(int sock
,
31 struct lttcomm_ust_msg
*msg
)
34 struct lttcomm_ust_reply
*reply
;
37 if (msg
== NULL
|| sock
< 0) {
41 DBG2("Sending UST command %d to sock %d", msg
->cmd
, sock
);
44 len
= lttcomm_send_unix_sock(sock
, msg
, sizeof(*msg
));
49 reply
= malloc(sizeof(struct lttcomm_ust_reply
));
51 perror("malloc ust reply");
55 DBG2("Receiving UST reply on sock %d", sock
);
58 len
= lttcomm_recv_unix_sock(sock
, reply
, sizeof(*reply
));
59 if (len
< 0 || len
< sizeof(*reply
)) {
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