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| author | John David Anglin <danglin@gcc.gnu.org> | 2023-04-05 18:54:47 +0000 |
|---|---|---|
| committer | John David Anglin <danglin@gcc.gnu.org> | 2023-04-05 18:54:47 +0000 |
| commit | c4468cd3995b4236ea886901109b194641132b08 (patch) | |
| tree | f8d53f7480b8e4357f4e3cc854172e4ed1883f16 /sysdeps/hppa | |
| parent | e9327e8584b2d90d9fb6f489b6e446dccd1cd5da (diff) | |
| download | glibc-c4468cd3995b4236ea886901109b194641132b08.tar glibc-c4468cd3995b4236ea886901109b194641132b08.tar.gz glibc-c4468cd3995b4236ea886901109b194641132b08.tar.bz2 glibc-c4468cd3995b4236ea886901109b194641132b08.zip | |
hppa: Update struct __pthread_rwlock_arch_t comment.
Signed-off-by: John David Anglin <dave.anglin@bell.net>
Diffstat (limited to 'sysdeps/hppa')
| -rw-r--r-- | sysdeps/hppa/nptl/bits/struct_rwlock.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/sysdeps/hppa/nptl/bits/struct_rwlock.h b/sysdeps/hppa/nptl/bits/struct_rwlock.h index 59bc9fe76f..762b05b2ec 100644 --- a/sysdeps/hppa/nptl/bits/struct_rwlock.h +++ b/sysdeps/hppa/nptl/bits/struct_rwlock.h @@ -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; |