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Register nss_atexit() before parsing nsswitch.conf for the first time.

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NSS modules are loaded when nsswitch.conf is parsed and may register their
own atexit handlers with libc. nss_atexit() unloads any dynamically loaded
NSS modules, so it should run only after the modules' atexit handlers have
been invoked.

MFC after:	2 weeks
Sponsored by:	Dell EMC Isilon
This commit is contained in:
Mark Johnston 2017-02-14 21:51:19 +00:00
parent 4c55b4e8da
commit 888e46a99b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=313748
1 changed files with 2 additions and 2 deletions
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4
lib/libc/net/nsdispatch.c
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@ -371,12 +371,12 @@ nss_configure(void)
(vector_free_elem)ns_dbt_free);
VECTOR_FREE(_nsmod, &_nsmodsize, sizeof(*_nsmod),
(vector_free_elem)ns_mod_free);
if (confmod == 0)
(void)atexit(nss_atexit);
nss_load_builtin_modules();
_nsyyparse();
(void)fclose(_nsyyin);
vector_sort(_nsmap, _nsmapsize, sizeof(*_nsmap), string_compare);
if (confmod == 0)
(void)atexit(nss_atexit);
confmod = statbuf.st_mtime;
#ifdef NS_CACHING