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d4a2a84a DG |
1 | /* |
2 | * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> | |
3 | * | |
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; either version 2 | |
7 | * of the License, or (at your option) any later version. | |
8 | * | |
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. | |
13 | * | |
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. | |
17 | */ | |
18 | ||
19 | #define _GNU_SOURCE | |
20 | #include <errno.h> | |
21 | #include <limits.h> | |
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <urcu/list.h> | |
25 | ||
26 | #include "lttngerr.h" | |
27 | #include "trace.h" | |
28 | #include "session.h" | |
29 | ||
30 | /* | |
31 | * find_session_ust_trace_by_pid | |
32 | * | |
33 | * Iterate over the session ust_traces and | |
34 | * return a pointer or NULL if not found. | |
35 | */ | |
36 | struct ltt_ust_trace *find_session_ust_trace_by_pid(struct ltt_session *session, pid_t pid) | |
37 | { | |
38 | struct ltt_ust_trace *iter; | |
39 | ||
40 | cds_list_for_each_entry(iter, &session->ust_traces, list) { | |
41 | if (iter->pid == pid) { | |
42 | /* Found */ | |
43 | return iter; | |
44 | } | |
45 | } | |
46 | ||
47 | return NULL; | |
48 | } | |
49 |