1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/*
* blogc: A blog compiler.
* Copyright (C) 2014-2018 Rafael G. Martins <rafael@rafaelmartins.eng.br>
*
* This program can be distributed under the terms of the BSD License.
* See the file LICENSE.
*/
#include <stdbool.h>
#include <string.h>
#include <pthread.h>
#include <stdlib.h>
#include "error.h"
#include "utils.h"
#include "thread.h"
struct _bc_thread_t {
pthread_t thread;
};
bc_thread_t*
bc_thread_create(bc_thread_func_t func, void *arg, bool detached, bc_error_t **err)
{
if (err == NULL || *err != NULL)
return NULL;
int r;
pthread_attr_t attr;
pthread_attr_t *attrp = NULL;
if (detached) {
if (0 != (r = pthread_attr_init(&attr))) {
*err = bc_error_new_printf(BC_ERROR_THREAD,
"Failed to initialize thread attributes: %s", strerror(r));
return NULL;
}
if (0 != (r = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED))) {
*err = bc_error_new_printf(BC_ERROR_THREAD,
"Failed to detach thread: %s", strerror(r));
return NULL;
}
attrp = &attr;
}
bc_thread_t *rv = bc_malloc(sizeof(bc_thread_t));
if (0 != (r = pthread_create(&(rv->thread), attrp, func, arg))) {
*err = bc_error_new_printf(BC_ERROR_THREAD,
"Failed to create thread: %s", strerror(r));
free(rv);
return NULL;
}
return rv;
}
void
bc_thread_join(bc_thread_t *thread, bc_error_t **err)
{
if (thread == NULL || err == NULL || *err != NULL)
return;
int r;
if (0 != (r = pthread_join(thread->thread, NULL))) {
*err = bc_error_new_printf(BC_ERROR_THREAD,
"Failed to join thread: %s", strerror(r));
}
}
void
bc_thread_free(bc_thread_t *thread)
{
free(thread);
}
|
