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
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
/* Copyright (C) 2021 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <pthread.h>
#include <sched.h>
#include <signal.h>
#include <stdlib.h>
#include <tap/basic.h>
#include "knot/server/dthreads.h"
/* Unit runnable data. */
static pthread_mutex_t _runnable_mx;
static volatile int _runnable_i = 0;
static const int _runnable_cycles = 10000;
/*! \brief Unit runnable. */
int runnable(struct dthread *thread)
{
for (int i = 0; i < _runnable_cycles; ++i) {
// Increase counter
pthread_mutex_lock(&_runnable_mx);
++_runnable_i;
pthread_mutex_unlock(&_runnable_mx);
// Cancellation point
if (dt_is_cancelled(thread)) {
break;
}
// Yield
sched_yield();
}
return 0;
}
/* Destructor data. */
static volatile int _destructor_data = 0;
static pthread_mutex_t _destructor_mx;
/*! \brief Thread destructor. */
int destruct(struct dthread *thread)
{
pthread_mutex_lock(&_destructor_mx);
_destructor_data += 1;
pthread_mutex_unlock(&_destructor_mx);
return 0;
}
// Signal handler
static void interrupt_handle(int s)
{
}
/*! API: run tests. */
int main(int argc, char *argv[])
{
plan_lazy();
int cpus = dt_online_cpus();
ok(cpus > 0, "dthread: online cpus is positive value");
// Register service and signal handler
struct sigaction sa;
sa.sa_handler = interrupt_handle;
sigemptyset(&sa.sa_mask);
sa.sa_flags = 0;
sigaction(SIGALRM, &sa, NULL); // Interrupt
/* Initialize */
srand(time(NULL));
pthread_mutex_init(&_runnable_mx, NULL);
pthread_mutex_init(&_destructor_mx, NULL);
/* Test 1: Create unit */
int size = 2;
dt_unit_t *unit = dt_create(size, &runnable, NULL, NULL);
ok(unit != NULL, "dthreads: create unit (size %d)", size);
if (unit == NULL) {
skip_block(7, "No dthreads unit");
goto skip_all;
}
/* Test 2: Start tasks. */
_runnable_i = 0;
ok(dt_start(unit) == 0, "dthreads: start single task");
/* Test 3: Wait for tasks. */
ok(dt_join(unit) == 0, "dthreads: join threads");
/* Test 4: Compare counter. */
int expected = _runnable_cycles * 2;
is_int(expected, _runnable_i, "dthreads: result ok");
/* Test 5: Deinitialize */
dt_delete(&unit);
ok(unit == NULL, "dthreads: delete unit");
/* Test 6: Wrong values. */
unit = dt_create(-1, NULL, NULL, NULL);
ok(unit == NULL, "dthreads: create with negative count");
/* Test 7: NULL operations crashing. */
int ret = 0;
ret += dt_activate(0);
ret += dt_cancel(0);
ret += dt_compact(0);
dt_delete(0);
ret += dt_is_cancelled(0);
ret += dt_join(0);
ret += dt_signalize(0, SIGALRM);
ret += dt_start(0);
ret += dt_stop(0);
ret += dt_unit_lock(0);
ret += dt_unit_unlock(0);
is_int(-198, ret, "dthreads: correct values when passed NULL context");
/* Test 8: Thread destructor. */
_destructor_data = 0;
unit = dt_create(2, 0, destruct, 0);
dt_start(unit);
dt_stop(unit);
dt_join(unit);
is_int(2, _destructor_data, "dthreads: destructor with dt_create_coherent()");
dt_delete(&unit);
skip_all:
pthread_mutex_destroy(&_runnable_mx);
pthread_mutex_destroy(&_destructor_mx);
return 0;
}
|
