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dff8da6b | 1 | /* Copyright (C) 1997-2024 Free Software Foundation, Inc. |
a5a0310d UD |
2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
a5a0310d UD |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
a5a0310d | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
a5a0310d | 17 | |
88677348 | 18 | #include <array_length.h> |
4009bf40 | 19 | #include <atomic.h> |
a5a0310d | 20 | #include <stdlib.h> |
66539a73 | 21 | #include <libc-internal.h> |
9fc813e1 | 22 | #include <unwind-link.h> |
f1d333b5 | 23 | #include <ldsodefs.h> |
88677348 AZN |
24 | #include <set-freeres.h> |
25 | #include <set-freeres-system.h> | |
26 | ||
27 | #ifndef SHARED | |
28 | # pragma weak __nss_module_freeres | |
29 | # pragma weak __nss_action_freeres | |
30 | # pragma weak __nss_database_freeres | |
31 | # pragma weak __dl_libc_freemem | |
32 | # pragma weak __hdestroy | |
33 | # pragma weak __gconv_cache_freemem | |
34 | # pragma weak __gconv_conf_freemem | |
35 | # pragma weak __gconv_db_freemem | |
36 | # pragma weak __gconv_dl_freemem | |
37 | # pragma weak __intl_freemem | |
38 | # pragma weak __libio_freemem | |
39 | # pragma weak __libc_fstab_freemem | |
885d3cda | 40 | #ifdef USE_NSCD |
88677348 AZN |
41 | # pragma weak __nscd_gr_map_freemem |
42 | # pragma weak __nscd_hst_map_freemem | |
43 | # pragma weak __nscd_pw_map_freemem | |
44 | # pragma weak __nscd_serv_map_freemem | |
45 | # pragma weak __nscd_group_map_freemem | |
885d3cda | 46 | #endif |
88677348 AZN |
47 | # pragma weak __libc_regcomp_freemem |
48 | # pragma weak __libc_atfork_freemem | |
49 | # pragma weak __res_thread_freeres | |
50 | # pragma weak __libc_resolv_conf_freemem | |
51 | # pragma weak __libc_printf_freemem | |
52 | # pragma weak __libc_fmtmsg_freemem | |
53 | # pragma weak __libc_setenv_freemem | |
b47d02b9 AZ |
54 | # if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_31) |
55 | # pragma weak __rpc_freemem | |
56 | # pragma weak __rpc_thread_destroy | |
57 | # endif | |
88677348 AZN |
58 | # pragma weak __libc_getaddrinfo_freemem |
59 | # pragma weak __libc_tzset_freemem | |
60 | # pragma weak __libc_localealias_freemem | |
61 | # pragma weak __gai_freemem | |
62 | # pragma weak __aio_freemem | |
63 | # pragma weak __libpthread_freeres | |
64 | # pragma weak __libc_dlerror_result_free | |
65 | # pragma weak __check_pf_freemem | |
7dfa534e AZN |
66 | # pragma weak __libc_fgetgrent_freemem_ptr |
67 | # pragma weak __libc_fgetsgent_freeres_ptr | |
68 | # pragma weak __libc_getnetgrent_freemem_ptr | |
69 | # pragma weak __libc_rcmd_freemem_ptr | |
70 | # pragma weak __libc_rexec_freemem_ptr | |
71 | # pragma weak __libc_mntent_freemem_ptr | |
72 | # pragma weak __libc_fgetpwent_freemem_ptr | |
73 | # pragma weak __libc_getspent_freemem_ptr | |
74 | # pragma weak __libc_resolv_res_hconf_freemem_ptr | |
75 | # pragma weak __libc_fgetspent_freemem_ptr | |
76 | # pragma weak __libc_tzfile_freemem_ptr | |
77 | # pragma weak __libc_getnameinfo_freemem_ptr | |
78 | # pragma weak __libc_getutent_freemem_ptr | |
79 | # pragma weak __libc_getutid_freemem_ptr | |
80 | # pragma weak __libc_getutline_freemem_ptr | |
81 | # pragma weak __libc_reg_printf_freemem_ptr | |
82 | # pragma weak __libc_reg_type_freemem_ptr | |
83 | # pragma weak __libc_getgrgid_freemem_ptr | |
84 | # pragma weak __libc_getgrnam_freemem_ptr | |
85 | # pragma weak __libc_getpwnam_freemem_ptr | |
86 | # pragma weak __libc_getpwuid_freemem_ptr | |
87 | # pragma weak __libc_getspnam_freemem_ptr | |
88 | # pragma weak __libc_getaliasbyname_freemem_ptr | |
89 | # pragma weak __libc_gethostbyaddr_freemem_ptr | |
90 | # pragma weak __libc_gethostbyname_freemem_ptr | |
91 | # pragma weak __libc_gethostbyname2_freemem_ptr | |
92 | # pragma weak __libc_getnetbyaddr_freemem_ptr | |
93 | # pragma weak __libc_getnetbyname_freemem_ptr | |
94 | # pragma weak __libc_getprotobynumber_freemem_ptr | |
95 | # pragma weak __libc_getprotobyname_freemem_ptr | |
96 | # pragma weak __libc_getrpcbyname_freemem_ptr | |
97 | # pragma weak __libc_getrpcbynumber_freemem_ptr | |
98 | # pragma weak __libc_getservbyname_freemem_ptr | |
99 | # pragma weak __libc_getservbyport_freemem_ptr | |
100 | # pragma weak __libc_getgrent_freemem_ptr | |
101 | # pragma weak __libc_getpwent_freemem_ptr | |
102 | # pragma weak __libc_getaliasent_freemem_ptr | |
103 | # pragma weak __libc_gethostent_freemem_ptr | |
104 | # pragma weak __libc_getnetent_freemem_ptr | |
105 | # pragma weak __libc_getprotoent_freemem_ptr | |
106 | # pragma weak __libc_getrpcent_freemem_ptr | |
107 | # pragma weak __libc_getservent_freemem_ptr | |
108 | # pragma weak __libc_efgcvt_freemem_ptr | |
109 | # pragma weak __libc_qefgcvt_freemem_ptr | |
110 | # pragma weak __libc_qefgcvt_freemem_ptr | |
111 | # pragma weak __ttyname_freemem_ptr | |
88677348 | 112 | #endif |
a5a0310d | 113 | |
88677348 AZN |
114 | #ifdef SHARED |
115 | # define call_free_static_weak(__ptr) \ | |
116 | free (__ptr) | |
c79a31fb | 117 | #else |
88677348 AZN |
118 | # define call_free_static_weak(__ptr) \ |
119 | if (&__ptr != NULL) \ | |
120 | free (__ptr); | |
c79a31fb | 121 | #endif |
2827ab99 | 122 | |
88677348 | 123 | void |
a5a0310d UD |
124 | __libc_freeres (void) |
125 | { | |
126 | /* This function might be called from different places. So better | |
127 | protect for multiple executions since these are fatal. */ | |
4a0f14bc | 128 | static long int already_called; |
a5a0310d | 129 | |
6c8dbf00 | 130 | if (!atomic_compare_and_exchange_bool_acq (&already_called, 1, 0)) |
6906cea4 | 131 | { |
171689da | 132 | call_function_static_weak (__nss_module_freeres); |
f8847d83 DD |
133 | call_function_static_weak (__nss_action_freeres); |
134 | call_function_static_weak (__nss_database_freeres); | |
171689da | 135 | |
6906cea4 | 136 | _IO_cleanup (); |
6906cea4 | 137 | |
2827ab99 | 138 | /* We run the resource freeing after IO cleanup. */ |
88677348 AZN |
139 | call_function_static_weak (__dl_libc_freemem); |
140 | call_function_static_weak (__hdestroy); | |
141 | call_function_static_weak (__gconv_cache_freemem); | |
142 | call_function_static_weak (__gconv_conf_freemem); | |
143 | call_function_static_weak (__gconv_db_freemem); | |
144 | call_function_static_weak (__gconv_dl_freemem); | |
145 | call_function_static_weak (__intl_freemem); | |
146 | call_function_static_weak (__libio_freemem); | |
147 | call_function_static_weak (__libc_fstab_freemem); | |
885d3cda FC |
148 | |
149 | #ifdef USE_NSCD | |
88677348 AZN |
150 | call_function_static_weak (__nscd_gr_map_freemem); |
151 | call_function_static_weak (__nscd_hst_map_freemem); | |
152 | call_function_static_weak (__nscd_pw_map_freemem); | |
153 | call_function_static_weak (__nscd_serv_map_freemem); | |
154 | call_function_static_weak (__nscd_group_map_freemem); | |
885d3cda FC |
155 | #endif |
156 | ||
88677348 AZN |
157 | call_function_static_weak (__libc_regcomp_freemem); |
158 | call_function_static_weak (__libc_atfork_freemem); | |
159 | /* __res_thread_freeres deallocates the per-thread resolv_context); | |
160 | which in turn drop the reference count of the current global object. | |
161 | So it need to be before __libc_resolv_conf_freemem. */ | |
162 | call_function_static_weak (__res_thread_freeres); | |
163 | call_function_static_weak (__libc_resolv_conf_freemem); | |
164 | call_function_static_weak (__libc_printf_freemem); | |
165 | call_function_static_weak (__libc_fmtmsg_freemem); | |
166 | call_function_static_weak (__libc_setenv_freemem); | |
167 | #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_31) | |
168 | call_function_static_weak (__rpc_freemem); | |
169 | call_function_static_weak (__rpc_thread_destroy); | |
170 | #endif | |
171 | call_function_static_weak (__libc_getaddrinfo_freemem); | |
172 | call_function_static_weak (__libc_tzset_freemem); | |
173 | call_function_static_weak (__libc_localealias_freemem); | |
174 | ||
175 | #if PTHREAD_IN_LIBC | |
176 | call_function_static_weak (__gai_freemem); | |
177 | ||
178 | call_function_static_weak (__aio_freemem); | |
179 | #endif | |
c877418f | 180 | |
c79a31fb | 181 | call_function_static_weak (__libpthread_freeres); |
2827ab99 | 182 | |
9fc813e1 FW |
183 | #ifdef SHARED |
184 | __libc_unwind_link_freeres (); | |
185 | #endif | |
186 | ||
fada9018 FW |
187 | call_function_static_weak (__libc_dlerror_result_free); |
188 | ||
f1d333b5 FW |
189 | #ifdef SHARED |
190 | GLRO (dl_libc_freeres) (); | |
191 | #endif | |
192 | ||
88677348 AZN |
193 | call_free_static_weak (__libc_fgetgrent_freemem_ptr); |
194 | call_free_static_weak (__libc_fgetsgent_freeres_ptr); | |
195 | call_free_static_weak (__libc_getnetgrent_freemem_ptr); | |
196 | call_free_static_weak (__libc_rcmd_freemem_ptr); | |
197 | call_free_static_weak (__libc_rexec_freemem_ptr); | |
198 | call_free_static_weak (__libc_mntent_freemem_ptr); | |
199 | call_free_static_weak (__libc_fgetpwent_freemem_ptr); | |
200 | call_free_static_weak (__libc_resolv_res_hconf_freemem_ptr); | |
201 | call_free_static_weak (__libc_fgetspent_freemem_ptr); | |
202 | call_free_static_weak (__libc_tzfile_freemem_ptr); | |
203 | call_free_static_weak (__libc_getnameinfo_freemem_ptr); | |
204 | call_free_static_weak (__libc_getutent_freemem_ptr); | |
205 | call_free_static_weak (__libc_getutid_freemem_ptr); | |
206 | call_free_static_weak (__libc_getutline_freemem_ptr); | |
207 | call_free_static_weak (__libc_reg_printf_freemem_ptr); | |
208 | call_free_static_weak (__libc_reg_type_freemem_ptr); | |
209 | ||
210 | call_free_static_weak (__libc_getgrgid_freemem_ptr); | |
211 | call_free_static_weak (__libc_getgrnam_freemem_ptr); | |
212 | call_free_static_weak (__libc_getpwnam_freemem_ptr); | |
213 | call_free_static_weak (__libc_getpwuid_freemem_ptr); | |
214 | call_free_static_weak (__libc_getspnam_freemem_ptr); | |
215 | call_free_static_weak (__libc_getaliasbyname_freemem_ptr); | |
216 | call_free_static_weak (__libc_gethostbyaddr_freemem_ptr); | |
217 | call_free_static_weak (__libc_gethostbyname_freemem_ptr); | |
218 | call_free_static_weak (__libc_gethostbyname2_freemem_ptr); | |
219 | call_free_static_weak (__libc_getnetbyaddr_freemem_ptr); | |
220 | call_free_static_weak (__libc_getnetbyname_freemem_ptr); | |
221 | call_free_static_weak (__libc_getprotobynumber_freemem_ptr); | |
222 | call_free_static_weak (__libc_getprotobyname_freemem_ptr); | |
223 | call_free_static_weak (__libc_getrpcbyname_freemem_ptr); | |
224 | call_free_static_weak (__libc_getrpcbynumber_freemem_ptr); | |
225 | call_free_static_weak (__libc_getservbyname_freemem_ptr); | |
226 | call_free_static_weak (__libc_getservbyport_freemem_ptr); | |
227 | ||
228 | call_free_static_weak (__libc_getgrent_freemem_ptr); | |
229 | call_free_static_weak (__libc_getpwent_freemem_ptr); | |
230 | call_free_static_weak (__libc_getspent_freemem_ptr); | |
231 | call_free_static_weak (__libc_getaliasent_freemem_ptr); | |
232 | call_free_static_weak (__libc_gethostent_freemem_ptr); | |
233 | call_free_static_weak (__libc_getnetent_freemem_ptr); | |
234 | call_free_static_weak (__libc_getprotoent_freemem_ptr); | |
235 | call_free_static_weak (__libc_getrpcent_freemem_ptr); | |
236 | call_free_static_weak (__libc_getservent_freemem_ptr); | |
237 | ||
238 | call_free_static_weak (__libc_efgcvt_freemem_ptr); | |
239 | call_free_static_weak (__libc_qefgcvt_freemem_ptr); | |
240 | ||
241 | call_freeres_system_funcs; | |
6906cea4 | 242 | } |
a5a0310d | 243 | } |
37ba7d66 | 244 | libc_hidden_def (__libc_freeres) |