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glibc/sysdeps/hppa/nptl/bits/struct_mutex.h
Paul Eggert 581c785bf3 Update copyright dates with scripts/update-copyrights
I used these shell commands:

../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright
(cd ../glibc && git commit -am"[this commit message]")

and then ignored the output, which consisted lines saying "FOO: warning:
copyright statement not found" for each of 7061 files FOO.

I then removed trailing white space from math/tgmath.h,
support/tst-support-open-dev-null-range.c, and
sysdeps/x86_64/multiarch/strlen-vec.S, to work around the following
obscure pre-commit check failure diagnostics from Savannah.  I don't
know why I run into these diagnostics whereas others evidently do not.

remote: *** 912-#endif
remote: *** 913:
remote: *** 914-
remote: *** error: lines with trailing whitespace found
...
remote: *** error: sysdeps/unix/sysv/linux/statx_cp.c: trailing lines
2022-01-01 11:40:24 -08:00

54 lines
1.8 KiB
C

/* HPPA internal mutex struct definitions.
Copyright (C) 2019-2022 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
<http://www.gnu.org/licenses/>. */
#ifndef _THREAD_MUTEX_INTERNAL_H
#define _THREAD_MUTEX_INTERNAL_H 1
struct __pthread_mutex_s
{
int __lock __LOCK_ALIGNMENT;
unsigned int __count;
int __owner;
/* KIND must stay at this position in the structure to maintain
binary compatibility with static initializers. */
int __kind;
/* The old 4-word 16-byte aligned lock. This is initalized
to all ones by the Linuxthreads PTHREAD_MUTEX_INITIALIZER.
Unused in NPTL. */
int __glibc_compat_padding[4];
/* In the old structure there are 4 words left due to alignment.
In NPTL two words are used. */
unsigned int __nusers;
__extension__ union
{
int __spins;
__pthread_slist_t __list;
};
/* Two more words are left before the NPTL
pthread_mutex_t is larger than Linuxthreads. */
int __glibc_reserved1;
int __glibc_reserved2;
};
#define __PTHREAD_MUTEX_HAVE_PREV 0
#define __PTHREAD_MUTEX_INITIALIZER(__kind) \
0, 0, 0, __kind, { 0, 0, 0, 0 }, 0, { 0 }, 0, 0
#endif