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2b778ceb | 1 | /* Copyright (C) 2003-2021 Free Software Foundation, Inc. |
2f7dc594 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 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
2f7dc594 UD |
18 | |
19 | #include <errno.h> | |
20 | #include <pthread.h> | |
8b1a8bb4 | 21 | #include <signal.h> |
2f7dc594 UD |
22 | #include <stdio.h> |
23 | #include <stdlib.h> | |
24 | #include <unistd.h> | |
25 | ||
26 | ||
27 | static void * | |
28 | tf (void *a) | |
29 | { | |
30 | return NULL; | |
31 | } | |
32 | ||
33 | ||
34 | int | |
35 | do_test (void) | |
36 | { | |
0466106e UD |
37 | pthread_attr_t at; |
38 | if (pthread_attr_init (&at) != 0) | |
39 | { | |
40 | puts ("attr_create failed"); | |
41 | exit (1); | |
42 | } | |
43 | ||
44 | /* Limit thread stack size, because if it is too large, pthread_join | |
45 | will free it immediately rather than put it into stack cache. */ | |
46 | if (pthread_attr_setstacksize (&at, 2 * 1024 * 1024) != 0) | |
47 | { | |
48 | puts ("setstacksize failed"); | |
49 | exit (1); | |
50 | } | |
51 | ||
2f7dc594 | 52 | pthread_t th; |
0466106e | 53 | if (pthread_create (&th, &at, tf, NULL) != 0) |
2f7dc594 UD |
54 | { |
55 | puts ("create failed"); | |
56 | exit (1); | |
57 | } | |
58 | ||
0466106e UD |
59 | pthread_attr_destroy (&at); |
60 | ||
2f7dc594 UD |
61 | if (pthread_join (th, NULL) != 0) |
62 | { | |
63 | puts ("join failed"); | |
64 | exit (1); | |
65 | } | |
66 | ||
67 | /* The following only works because we assume here something about | |
68 | the implementation. Namely, that the memory allocated for the | |
ded5b9b7 | 69 | thread descriptor is not going away, that the TID field is |
2f7dc594 UD |
70 | cleared and therefore the signal is sent to process 0, and that |
71 | we can savely assume there is no other process with this ID at | |
72 | that time. */ | |
73 | int e = pthread_kill (th, 0); | |
74 | if (e == 0) | |
75 | { | |
76 | puts ("pthread_kill succeeded"); | |
77 | exit (1); | |
78 | } | |
79 | if (e != ESRCH) | |
80 | { | |
81 | puts ("pthread_kill didn't return ESRCH"); | |
82 | exit (1); | |
83 | } | |
84 | ||
85 | return 0; | |
86 | } | |
87 | ||
88 | ||
89 | #define TEST_FUNCTION do_test () | |
90 | #include "../test-skeleton.c" |