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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 | 321789f61aa93c14390535aa3cf01846633cd022 (patch) | |
| tree | fe2687c3058b23379918e700a7bfec82da2f4cd0 /sysdeps/unix/sysv/linux/single-thread.h | |
| parent | d6163dfd3831cf48b69f430f37b4c099059a9db5 (diff) | |
| download | glibc-321789f61aa93c14390535aa3cf01846633cd022.tar glibc-321789f61aa93c14390535aa3cf01846633cd022.tar.gz glibc-321789f61aa93c14390535aa3cf01846633cd022.tar.bz2 glibc-321789f61aa93c14390535aa3cf01846633cd022.zip | |
nptl: Export __libc_multiple_threads from libc as an internal symbol
This allows the elimination of the __libc_multiple_threads_ptr
variable in libpthread and its initialization procedure.
Tested-by: Carlos O'Donell <carlos@redhat.com>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Diffstat (limited to 'sysdeps/unix/sysv/linux/single-thread.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/single-thread.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/single-thread.h b/sysdeps/unix/sysv/linux/single-thread.h index a28aaed04d..841f8c69d5 100644 --- a/sysdeps/unix/sysv/linux/single-thread.h +++ b/sysdeps/unix/sysv/linux/single-thread.h @@ -27,9 +27,13 @@ The ABI might define SINGLE_THREAD_BY_GLOBAL to enable the single thread check to use global variables instead of the pthread_t field. */ +#ifndef __ASSEMBLER__ +extern int __libc_multiple_threads; +libc_hidden_proto (__libc_multiple_threads) +#endif + #ifdef SINGLE_THREAD_BY_GLOBAL # if IS_IN (libc) -extern int __libc_multiple_threads; # define SINGLE_THREAD_P \ __glibc_likely (__libc_multiple_threads == 0) # elif IS_IN (libpthread) |