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| author | Florian Weimer <fweimer@redhat.com> | 2021-05-10 10:31:41 +0200 |
|---|---|---|
| committer | Florian Weimer <fweimer@redhat.com> | 2021-05-10 10:31:41 +0200 |
| commit | d6163dfd3831cf48b69f430f37b4c099059a9db5 (patch) | |
| tree | fb37627d311887c530307ea5325121f6a4732cc2 /elf/dl-mutex.c | |
| parent | a64af8c9b6598f6d2685227f64f5ccb9b48c663c (diff) | |
| download | glibc-d6163dfd3831cf48b69f430f37b4c099059a9db5.tar.gz glibc-d6163dfd3831cf48b69f430f37b4c099059a9db5.tar.xz glibc-d6163dfd3831cf48b69f430f37b4c099059a9db5.zip | |
elf, nptl: Resolve recursive lock implementation early
If libpthread is included in libc, it is not necessary to delay initialization of the lock/unlock function pointers until libpthread is loaded. This eliminates two unprotected function pointers from _rtld_global and removes some initialization code from libpthread. Tested-by: Carlos O'Donell <carlos@redhat.com> Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Diffstat (limited to 'elf/dl-mutex.c')
| -rw-r--r-- | elf/dl-mutex.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/elf/dl-mutex.c b/elf/dl-mutex.c new file mode 100644 index 0000000000..2cd9d49c2e --- /dev/null +++ b/elf/dl-mutex.c @@ -0,0 +1,19 @@ +/* Recursive locking implementation for the dynamic loader. Generic version. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +/* The generic version initialization happpens in dl_main. */ |