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
149
150
151
152
153
154
155
156
157
|
/* Pthreads test program.
Copyright 1996-2019 Free Software Foundation, Inc.
Written by Fred Fish of Cygnus Support
Contributed by Cygnus Support
This file is part of GDB.
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 <http://www.gnu.org/licenses/>. */
#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>
#include <unistd.h>
static int verbose = 0;
static void
common_routine (arg)
int arg;
{
static int from_thread1;
static int from_thread2;
static int from_main;
static int hits;
static int full_coverage;
if (verbose) printf("common_routine (%d)\n", arg);
hits++;
switch (arg)
{
case 0:
from_main++;
break;
case 1:
from_thread1++;
break;
case 2:
from_thread2++;
break;
}
if (from_main && from_thread1 && from_thread2)
full_coverage = 1;
}
static void *
thread1 (void *arg)
{
int i;
int z = 0;
if (verbose) printf ("thread1 (%0lx) ; pid = %d\n", (long) arg, getpid ());
for (i=1; i <= 10000000; i++)
{
if (verbose) printf("thread1 %ld\n", (long) pthread_self ());
z += i;
common_routine (1);
sleep(1);
}
return (void *) 0;
}
static void *
thread2 (void * arg)
{
int i;
int k = 0;
if (verbose) printf ("thread2 (%0lx) ; pid = %d\n", (long) arg, getpid ());
for (i=1; i <= 10000000; i++)
{
if (verbose) printf("thread2 %ld\n", (long) pthread_self ());
k += i;
common_routine (2);
sleep(1);
}
sleep(100);
return (void *) 0;
}
void
foo (a, b, c)
int a, b, c;
{
int d, e, f;
if (verbose) printf("a=%d\n", a);
}
int
main(argc, argv)
int argc;
char **argv;
{
pthread_t tid1, tid2;
int j;
int t = 0;
void (*xxx) ();
pthread_attr_t attr;
if (verbose) printf ("pid = %d\n", getpid());
foo (1, 2, 3);
if (pthread_attr_init (&attr))
{
perror ("pthread_attr_init 1");
exit (1);
}
#ifdef PTHREAD_SCOPE_SYSTEM
if (pthread_attr_setscope (&attr, PTHREAD_SCOPE_SYSTEM))
{
perror ("pthread_attr_setscope 1");
exit (1);
}
#endif
if (pthread_create (&tid1, &attr, thread1, (void *) 0xfeedface))
{
perror ("pthread_create 1");
exit (1);
}
if (verbose) printf ("Made thread %ld\n", (long) tid1);
sleep (1);
if (pthread_create (&tid2, NULL, thread2, (void *) 0xdeadbeef))
{
perror ("pthread_create 2");
exit (1);
}
if (verbose) printf("Made thread %ld\n", (long) tid2);
sleep (1);
for (j = 1; j <= 10000000; j++)
{
if (verbose) printf("top %ld\n", (long) pthread_self ());
common_routine (0);
sleep(1);
t += j;
}
exit(0);
}
|