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a334319f | 1 | /* Copyright (C) 2003 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 | |
16 | License along with the GNU C Library; if not, write to the Free | |
17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
18 | 02111-1307 USA. */ | |
19 | ||
20 | #include <errno.h> | |
21 | #include <pthread.h> | |
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | ||
25 | ||
26 | static void * | |
27 | tf1 (void *arg) | |
28 | { | |
0ecb606c JJ |
29 | pthread_join ((pthread_t) arg, NULL); |
30 | ||
a334319f UD |
31 | puts ("1st join returned"); |
32 | ||
33 | return (void *) 1l; | |
e320ef46 UD |
34 | } |
35 | ||
36 | ||
37 | static void * | |
38 | tf2 (void *arg) | |
39 | { | |
0ecb606c | 40 | pthread_join ((pthread_t) arg, NULL); |
e320ef46 | 41 | |
a334319f UD |
42 | puts ("2nd join returned"); |
43 | ||
44 | return (void *) 1l; | |
e320ef46 UD |
45 | } |
46 | ||
47 | ||
48 | static int | |
49 | do_test (void) | |
50 | { | |
51 | pthread_t th; | |
52 | ||
53 | int err = pthread_join (pthread_self (), NULL); | |
54 | if (err == 0) | |
55 | { | |
56 | puts ("1st circular join succeeded"); | |
a334319f | 57 | exit (1); |
e320ef46 UD |
58 | } |
59 | if (err != EDEADLK) | |
60 | { | |
61 | printf ("1st circular join %d, not EDEADLK\n", err); | |
a334319f | 62 | exit (1); |
e320ef46 UD |
63 | } |
64 | ||
65 | if (pthread_create (&th, NULL, tf1, (void *) pthread_self ()) != 0) | |
66 | { | |
67 | puts ("1st create failed"); | |
a334319f | 68 | exit (1); |
e320ef46 UD |
69 | } |
70 | ||
71 | if (pthread_cancel (th) != 0) | |
72 | { | |
73 | puts ("cannot cancel 1st thread"); | |
a334319f | 74 | exit (1); |
e320ef46 UD |
75 | } |
76 | ||
77 | void *r; | |
78 | err = pthread_join (th, &r); | |
79 | if (err != 0) | |
80 | { | |
81 | printf ("cannot join 1st thread: %d\n", err); | |
a334319f | 82 | exit (1); |
e320ef46 UD |
83 | } |
84 | if (r != PTHREAD_CANCELED) | |
85 | { | |
86 | puts ("1st thread not canceled"); | |
a334319f | 87 | exit (1); |
e320ef46 UD |
88 | } |
89 | ||
90 | err = pthread_join (pthread_self (), NULL); | |
91 | if (err == 0) | |
92 | { | |
93 | puts ("2nd circular join succeeded"); | |
a334319f | 94 | exit (1); |
e320ef46 UD |
95 | } |
96 | if (err != EDEADLK) | |
97 | { | |
98 | printf ("2nd circular join %d, not EDEADLK\n", err); | |
a334319f | 99 | exit (1); |
e320ef46 UD |
100 | } |
101 | ||
102 | if (pthread_create (&th, NULL, tf2, (void *) pthread_self ()) != 0) | |
103 | { | |
104 | puts ("2nd create failed"); | |
a334319f | 105 | exit (1); |
e320ef46 UD |
106 | } |
107 | ||
108 | if (pthread_cancel (th) != 0) | |
109 | { | |
110 | puts ("cannot cancel 2nd thread"); | |
a334319f | 111 | exit (1); |
0ecb606c | 112 | } |
0ecb606c | 113 | |
e320ef46 UD |
114 | if (pthread_join (th, &r) != 0) |
115 | { | |
116 | puts ("cannot join 2nd thread"); | |
a334319f | 117 | exit (1); |
e320ef46 UD |
118 | } |
119 | if (r != PTHREAD_CANCELED) | |
120 | { | |
121 | puts ("2nd thread not canceled"); | |
a334319f | 122 | exit (1); |
e320ef46 UD |
123 | } |
124 | ||
125 | err = pthread_join (pthread_self (), NULL); | |
126 | if (err == 0) | |
127 | { | |
a334319f UD |
128 | puts ("2nd circular join succeeded"); |
129 | exit (1); | |
e320ef46 UD |
130 | } |
131 | if (err != EDEADLK) | |
132 | { | |
a334319f UD |
133 | printf ("2nd circular join %d, not EDEADLK\n", err); |
134 | exit (1); | |
e320ef46 UD |
135 | } |
136 | ||
a334319f | 137 | exit (0); |
e320ef46 UD |
138 | } |
139 | ||
140 | #define TEST_FUNCTION do_test () | |
141 | #include "../test-skeleton.c" |