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
|
/*
* Copyright © 2019 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
*/
#include <errno.h>
#include <stdint.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
#include "igt_core.h"
#include "drmtest.h"
#include "igt_tests_common.h"
char test[] = "test";
char *argv_run[] = { test };
static void igt_fork_vs_skip(void)
{
igt_fork(i, 1) {
igt_skip("skipping");
}
igt_waitchildren();
}
static void igt_fork_vs_assert(void)
{
igt_fork(i, 1) {
igt_assert(0);
}
igt_waitchildren();
}
static void igt_fork_leak(void)
{
igt_fork(i, 1) {
sleep(10);
}
}
static void plain_fork_leak(void)
{
int pid;
switch (pid = fork()) {
case -1:
internal_assert(0);
case 0:
sleep(1);
default:
exit(0);
}
}
static void igt_fork_timeout_leak(void)
{
igt_fork(i, 1) {
sleep(10);
}
igt_waitchildren_timeout(1, "library test");
}
static int do_fork(void (*test_to_run)(void))
{
int pid, status;
int argc;
switch (pid = fork()) {
case -1:
internal_assert(0);
case 0:
argc = ARRAY_SIZE(argv_run);
igt_simple_init(argc, argv_run);
test_to_run();
igt_exit();
default:
while (waitpid(pid, &status, 0) == -1 &&
errno == EINTR)
;
return status;
}
}
int main(int argc, char **argv)
{
int ret;
/* check that igt_assert is forwarded */
ret = do_fork(igt_fork_vs_assert);
internal_assert_wexited(ret, IGT_EXIT_FAILURE);
/* check that igt_skip within a fork blows up */
ret = do_fork(igt_fork_vs_skip);
internal_assert_wexited(ret, SIGABRT + 128);
/* check that failure to clean up fails */
ret = do_fork(igt_fork_leak);
internal_assert_wsignaled(ret, SIGABRT);
/* check that igt_waitchildren_timeout cleans up*/
ret = do_fork(igt_fork_timeout_leak);
internal_assert_wexited(ret, SIGKILL + 128);
/* check that any other process leaks are caught*/
ret = do_fork(plain_fork_leak);
internal_assert_wsignaled(ret, SIGABRT);
}
|
