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hppa: Update struct __pthread_rwlock_arch_t comment.

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Signed-off-by: John David Anglin <dave.anglin@bell.net>
This commit is contained in:
John David Anglin 2023-04-05 18:54:47 +00:00
parent e9327e8584
commit c4468cd399
1 changed files with 5 additions and 5 deletions
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10
sysdeps/hppa/nptl/bits/struct_rwlock.h
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@ -27,11 +27,11 @@ struct __pthread_rwlock_arch_t
next four words are all set to 1 by the Linuxthreads
PTHREAD_RWLOCK_INITIALIZER. We ignore them in NPTL.
The 16-byte aligned lock stucture causes various pthread
structures to be over aligned. This causes some builds
to fail which assume a maximum alignment of 8 bytes.
Linuxthreads has been removed for 12 years, so drop
alignment of lock structure. */
The 16-byte aligned lock stucture is not needed for NPTL.
It causes some package builds to fail (e.g., protobuf) and
issues with dynamic memory allocation in C++ versions prior
to C++17. Removing it allows for more efficient allocators
and better compatibility with other architectures. */
int __compat_padding[4];
unsigned int __readers;
unsigned int __writers;