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bfff8b1b | 1 | /* Copyright (C) 2003-2017 Free Software Foundation, Inc. |
e320ef46 UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
e320ef46 UD |
18 | |
19 | #include <errno.h> | |
20 | #include <pthread.h> | |
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
22bb134c UD |
23 | #include <time.h> |
24 | #include <unistd.h> | |
22bb134c UD |
25 | |
26 | ||
ca0e0675 RM |
27 | static void |
28 | wait_code (void) | |
29 | { | |
30 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 200000000 }; | |
31 | while (nanosleep (&ts, &ts) < 0) | |
32 | ; | |
33 | } | |
22bb134c UD |
34 | |
35 | ||
36 | #ifdef WAIT_IN_CHILD | |
37 | static pthread_barrier_t b; | |
38 | #endif | |
e320ef46 UD |
39 | |
40 | ||
41 | static void * | |
42 | tf1 (void *arg) | |
43 | { | |
22bb134c UD |
44 | #ifdef WAIT_IN_CHILD |
45 | int e = pthread_barrier_wait (&b); | |
46 | if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
47 | { | |
48 | printf ("%s: barrier_wait failed\n", __func__); | |
49 | exit (1); | |
50 | } | |
0ecb606c | 51 | |
22bb134c UD |
52 | wait_code (); |
53 | #endif | |
a334319f | 54 | |
22bb134c UD |
55 | pthread_join ((pthread_t) arg, NULL); |
56 | ||
57 | exit (42); | |
e320ef46 UD |
58 | } |
59 | ||
60 | ||
61 | static void * | |
62 | tf2 (void *arg) | |
63 | { | |
22bb134c UD |
64 | #ifdef WAIT_IN_CHILD |
65 | int e = pthread_barrier_wait (&b); | |
66 | if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
67 | { | |
68 | printf ("%s: barrier_wait failed\n", __func__); | |
69 | exit (1); | |
70 | } | |
e320ef46 | 71 | |
22bb134c UD |
72 | wait_code (); |
73 | #endif | |
74 | pthread_join ((pthread_t) arg, NULL); | |
a334319f | 75 | |
22bb134c | 76 | exit (43); |
e320ef46 UD |
77 | } |
78 | ||
79 | ||
80 | static int | |
81 | do_test (void) | |
82 | { | |
22bb134c UD |
83 | #ifdef WAIT_IN_CHILD |
84 | if (pthread_barrier_init (&b, NULL, 2) != 0) | |
85 | { | |
86 | puts ("barrier_init failed"); | |
87 | return 1; | |
88 | } | |
89 | #endif | |
90 | ||
e320ef46 UD |
91 | pthread_t th; |
92 | ||
93 | int err = pthread_join (pthread_self (), NULL); | |
94 | if (err == 0) | |
95 | { | |
96 | puts ("1st circular join succeeded"); | |
22bb134c | 97 | return 1; |
e320ef46 UD |
98 | } |
99 | if (err != EDEADLK) | |
100 | { | |
101 | printf ("1st circular join %d, not EDEADLK\n", err); | |
22bb134c | 102 | return 1; |
e320ef46 UD |
103 | } |
104 | ||
105 | if (pthread_create (&th, NULL, tf1, (void *) pthread_self ()) != 0) | |
106 | { | |
107 | puts ("1st create failed"); | |
22bb134c | 108 | return 1; |
e320ef46 UD |
109 | } |
110 | ||
22bb134c UD |
111 | #ifndef WAIT_IN_CHILD |
112 | wait_code (); | |
113 | #endif | |
114 | ||
e320ef46 UD |
115 | if (pthread_cancel (th) != 0) |
116 | { | |
117 | puts ("cannot cancel 1st thread"); | |
22bb134c UD |
118 | return 1; |
119 | } | |
120 | ||
121 | #ifdef WAIT_IN_CHILD | |
122 | int e = pthread_barrier_wait (&b); | |
123 | if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
124 | { | |
125 | printf ("%s: barrier_wait failed\n", __func__); | |
126 | return 1; | |
e320ef46 | 127 | } |
22bb134c | 128 | #endif |
e320ef46 UD |
129 | |
130 | void *r; | |
131 | err = pthread_join (th, &r); | |
132 | if (err != 0) | |
133 | { | |
134 | printf ("cannot join 1st thread: %d\n", err); | |
22bb134c | 135 | return 1; |
e320ef46 UD |
136 | } |
137 | if (r != PTHREAD_CANCELED) | |
138 | { | |
139 | puts ("1st thread not canceled"); | |
22bb134c | 140 | return 1; |
e320ef46 UD |
141 | } |
142 | ||
143 | err = pthread_join (pthread_self (), NULL); | |
144 | if (err == 0) | |
145 | { | |
146 | puts ("2nd circular join succeeded"); | |
22bb134c | 147 | return 1; |
e320ef46 UD |
148 | } |
149 | if (err != EDEADLK) | |
150 | { | |
151 | printf ("2nd circular join %d, not EDEADLK\n", err); | |
22bb134c | 152 | return 1; |
e320ef46 UD |
153 | } |
154 | ||
155 | if (pthread_create (&th, NULL, tf2, (void *) pthread_self ()) != 0) | |
156 | { | |
157 | puts ("2nd create failed"); | |
22bb134c | 158 | return 1; |
e320ef46 UD |
159 | } |
160 | ||
22bb134c UD |
161 | #ifndef WAIT_IN_CHILD |
162 | wait_code (); | |
163 | #endif | |
164 | ||
e320ef46 UD |
165 | if (pthread_cancel (th) != 0) |
166 | { | |
167 | puts ("cannot cancel 2nd thread"); | |
22bb134c | 168 | return 1; |
0ecb606c | 169 | } |
0ecb606c | 170 | |
22bb134c UD |
171 | #ifdef WAIT_IN_CHILD |
172 | e = pthread_barrier_wait (&b); | |
173 | if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
174 | { | |
175 | printf ("%s: barrier_wait failed\n", __func__); | |
176 | return 1; | |
177 | } | |
178 | #endif | |
179 | ||
e320ef46 UD |
180 | if (pthread_join (th, &r) != 0) |
181 | { | |
182 | puts ("cannot join 2nd thread"); | |
22bb134c | 183 | return 1; |
e320ef46 UD |
184 | } |
185 | if (r != PTHREAD_CANCELED) | |
186 | { | |
187 | puts ("2nd thread not canceled"); | |
22bb134c | 188 | return 1; |
e320ef46 UD |
189 | } |
190 | ||
191 | err = pthread_join (pthread_self (), NULL); | |
192 | if (err == 0) | |
193 | { | |
22bb134c UD |
194 | puts ("3rd circular join succeeded"); |
195 | return 1; | |
e320ef46 UD |
196 | } |
197 | if (err != EDEADLK) | |
198 | { | |
22bb134c UD |
199 | printf ("3rd circular join %d, not EDEADLK\n", err); |
200 | return 1; | |
e320ef46 UD |
201 | } |
202 | ||
22bb134c | 203 | return 0; |
e320ef46 UD |
204 | } |
205 | ||
206 | #define TEST_FUNCTION do_test () | |
207 | #include "../test-skeleton.c" |