1 | //------------------------------------------------------------------------------ |
2 | // Copyright (c) 2016 by Lukasz Janyst <lukasz@jany.st> |
3 | //------------------------------------------------------------------------------ |
4 | // This file is part of thread-bites. |
5 | // |
6 | // thread-bites is free software: you can redistribute it and/or modify |
7 | // it under the terms of the GNU General Public License as published by |
8 | // the Free Software Foundation, either version 3 of the License, or |
9 | // (at your option) any later version. |
10 | // |
11 | // thread-bites is distributed in the hope that it will be useful, |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | // GNU General Public License for more details. |
15 | // |
16 | // You should have received a copy of the GNU General Public License |
17 | // along with thread-bites. If not, see <http://www.gnu.org/licenses/>. |
18 | //------------------------------------------------------------------------------ |
19 | |
20 | #include <tb.h> |
21 | #include <string.h> |
22 | |
23 | //------------------------------------------------------------------------------ |
24 | // The once initializer |
25 | //------------------------------------------------------------------------------ |
26 | void once_func() |
27 | { |
28 | tbprint("[thread 0x%llx] Running the once function\n" , tbthread_self()); |
29 | tbsleep(5); |
30 | } |
31 | |
32 | tbthread_once_t once = TBTHREAD_ONCE_INIT; |
33 | |
34 | //------------------------------------------------------------------------------ |
35 | // Thread function |
36 | //------------------------------------------------------------------------------ |
37 | void *thread_func(void *arg) |
38 | { |
39 | tbthread_t self = tbthread_self(); |
40 | tbprint("[thread 0x%llx] About to run the once function\n" , self); |
41 | tbthread_once(&once, once_func); |
42 | tbprint("[thread 0x%llx] Finished running the once function\n" , self); |
43 | return 0; |
44 | } |
45 | |
46 | //------------------------------------------------------------------------------ |
47 | // Start the show |
48 | //------------------------------------------------------------------------------ |
49 | int main(int argc, char **argv) |
50 | { |
51 | tbthread_init(); |
52 | |
53 | tbthread_t thread[5]; |
54 | int targ[5]; |
55 | tbthread_attr_t attr; |
56 | int st = 0; |
57 | |
58 | //---------------------------------------------------------------------------- |
59 | // Spawn the threads |
60 | //---------------------------------------------------------------------------- |
61 | tbthread_attr_init(&attr); |
62 | for(int i = 0; i < 5; ++i) { |
63 | targ[i] = i; |
64 | st = tbthread_create(&thread[i], &attr, thread_func, &targ[i]); |
65 | if(st != 0) { |
66 | tbprint("Failed to spawn thread %d: %s\n" , i, tbstrerror(-st)); |
67 | goto exit; |
68 | } |
69 | } |
70 | |
71 | tbprint("[thread main] Threads spawned successfully\n" ); |
72 | |
73 | for(int i = 0; i < 5; ++i) { |
74 | st = tbthread_join(thread[i], 0); |
75 | if(st != 0) { |
76 | tbprint("Failed to join thread %d: %s\n" , i, tbstrerror(-st)); |
77 | goto exit; |
78 | } |
79 | } |
80 | |
81 | tbprint("[thread main] Threads joined\n" ); |
82 | |
83 | exit: |
84 | tbthread_finit(); |
85 | return st; |
86 | }; |
87 | |