1/* Copyright (c) 2011, The Linux Foundation. All rights reserved.
2 *
3 * Redistribution and use in source and binary forms, with or without
4 * modification, are permitted provided that the following conditions are
5 * met:
6 *     * Redistributions of source code must retain the above copyright
7 *       notice, this list of conditions and the following disclaimer.
8 *     * Redistributions in binary form must reproduce the above
9 *       copyright notice, this list of conditions and the following
10 *       disclaimer in the documentation and/or other materials provided
11 *       with the distribution.
12 *     * Neither the name of The Linux Foundation nor the names of its
13 *       contributors may be used to endorse or promote products derived
14 *       from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
23 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
25 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
26 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 */
29#ifndef __LOC_ENG_DMN_CONN_THREAD_HELPER_H__
30#define __LOC_ENG_DMN_CONN_THREAD_HELPER_H__
31
32#ifdef __cplusplus
33extern "C" {
34#endif /* __cplusplus */
35
36#include <pthread.h>
37
38struct loc_eng_dmn_conn_thelper {
39    unsigned char   thread_exit;
40    unsigned char   thread_ready;
41    pthread_cond_t  thread_cond;
42    pthread_mutex_t thread_mutex;
43    pthread_t       thread_id;
44    void *          thread_context;
45    int             (*thread_proc_init) (void * context);
46    int             (*thread_proc_pre)  (void * context);
47    int             (*thread_proc)      (void * context);
48    int             (*thread_proc_post) (void * context);
49};
50
51typedef pthread_t (* thelper_create_thread)(const char* name, void (*start)(void *), void* arg);
52int loc_eng_dmn_conn_launch_thelper(struct loc_eng_dmn_conn_thelper * thelper,
53    int (*thread_proc_init) (void * context),
54    int (*thread_proc_pre)  (void * context),
55    int (*thread_proc)      (void * context),
56    int (*thread_proc_post) (void * context),
57    thelper_create_thread   create_thread_cb,
58    void * context);
59
60int loc_eng_dmn_conn_unblock_thelper(struct loc_eng_dmn_conn_thelper * thelper);
61int loc_eng_dmn_conn_join_thelper(struct loc_eng_dmn_conn_thelper * thelper);
62
63/* if only need to use signal */
64int thelper_signal_init(struct loc_eng_dmn_conn_thelper * thelper);
65int thelper_signal_destroy(struct loc_eng_dmn_conn_thelper * thelper);
66int thelper_signal_wait(struct loc_eng_dmn_conn_thelper * thelper);
67int thelper_signal_ready(struct loc_eng_dmn_conn_thelper * thelper);
68int thelper_signal_block(struct loc_eng_dmn_conn_thelper * thelper);
69
70#ifdef __cplusplus
71}
72#endif /* __cplusplus */
73
74#endif /* __LOC_ENG_DMN_CONN_THREAD_HELPER_H__ */
75