| 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 | |