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author | Carlos O'Donell <carlos@systemhalted.org> | 2015-01-21 01:51:10 -0500 |
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committer | Carlos O'Donell <carlos@systemhalted.org> | 2015-01-21 01:51:10 -0500 |
commit | ccdb048df457d581f6ac7ede8b0c7a593a891dfa (patch) | |
tree | 9f87447c45093fb2ded95c982e68c9e6e886129c /localedata/tests-mbwc/tst_wcscpy.c | |
parent | 042e1521c794a945edc43b5bfa7e69ad70420524 (diff) | |
download | glibc-ccdb048df457d581f6ac7ede8b0c7a593a891dfa.tar.gz glibc-ccdb048df457d581f6ac7ede8b0c7a593a891dfa.tar.xz glibc-ccdb048df457d581f6ac7ede8b0c7a593a891dfa.zip |
Fix recursive dlopen.
The ability to recursively call dlopen is useful for malloc implementations that wish to load other dynamic modules that implement reentrant/AS-safe functions to use in their own implementation. Given that a user malloc implementation may be called by an ongoing dlopen to allocate memory the user malloc implementation interrupts dlopen and if it calls dlopen again that's a reentrant call. This patch fixes the issues with the ld.so.cache mapping and the _r_debug assertion which prevent this from working as expected. See: https://sourceware.org/ml/libc-alpha/2014-12/msg00446.html
Diffstat (limited to 'localedata/tests-mbwc/tst_wcscpy.c')
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