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2f9f6cef | 1 | // { dg-require-sharedlib "" } |
9275f73a | 2 | // { dg-options "-g -O2 -pthread -ldl" { target *-*-linux* *-*-gnu* } } |
2f9f6cef | 3 | |
7adcbafe | 4 | // Copyright (C) 2004-2022 Free Software Foundation, Inc. |
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5 | // |
6 | // This file is part of the GNU ISO C++ Library. This library is free | |
7 | // software; you can redistribute it and/or modify it under the | |
8 | // terms of the GNU General Public License as published by the | |
748086b7 | 9 | // Free Software Foundation; either version 3, or (at your option) |
2f9f6cef BK |
10 | // any later version. |
11 | // | |
12 | // This library is distributed in the hope that it will be useful, | |
13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | // GNU General Public License for more details. | |
16 | // | |
17 | // You should have received a copy of the GNU General Public License along | |
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18 | // with this library; see the file COPYING3. If not see |
19 | // <http://www.gnu.org/licenses/>. | |
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20 | |
21 | #include <dlfcn.h> | |
22 | #include <pthread.h> | |
23 | #include <cstdlib> | |
24 | #include <stdexcept> | |
25 | ||
26 | void | |
27 | check_dlopen(void*& h) | |
28 | { | |
29 | dlerror(); | |
30 | void* tmp = dlopen("./testsuite_shared.so", RTLD_LAZY); | |
31 | if (!tmp) | |
32 | { | |
33 | try | |
34 | { | |
35 | // Throws std::logic_error on NULL string. | |
36 | std::string error(dlerror()); | |
37 | throw std::runtime_error(error); | |
38 | } | |
39 | catch (const std::logic_error&) | |
40 | { } | |
41 | } | |
42 | h = tmp; | |
43 | } | |
44 | ||
45 | void | |
46 | check_dlsym(void*& h) | |
47 | { | |
48 | dlerror(); | |
49 | ||
50 | typedef void (*function_type) (void); | |
51 | function_type fn; | |
cddfb1c7 | 52 | fn = reinterpret_cast<function_type>(dlsym(h, "try_allocation")); |
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53 | |
54 | try | |
55 | { | |
56 | std::string error(dlerror()); | |
57 | throw std::runtime_error(error); | |
58 | } | |
59 | catch (const std::logic_error&) | |
60 | { } | |
61 | ||
62 | fn(); | |
63 | } | |
64 | ||
65 | void | |
66 | check_dlclose(void*& h) | |
67 | { | |
68 | dlerror(); | |
69 | if (dlclose(h) != 0) | |
70 | { | |
71 | try | |
72 | { | |
73 | std::string error(dlerror()); | |
74 | throw std::runtime_error(error); | |
75 | } | |
76 | catch (const std::logic_error&) | |
77 | { } | |
78 | } | |
79 | } | |
80 | ||
81 | void* | |
82 | tf(void* arg) | |
83 | { | |
84 | void* h; | |
85 | check_dlopen(h); | |
86 | check_dlsym(h); | |
87 | check_dlclose(h); | |
88 | return 0; | |
89 | } | |
90 | ||
91 | // libstdc++/22309 | |
92 | int | |
93 | main (void) | |
94 | { | |
95 | pthread_t th; | |
8fc81078 PC |
96 | pthread_create(&th, 0, tf, 0); |
97 | pthread_join(th, 0); | |
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98 | return 0; |
99 | } |