Merge branch 'master' of git://sourceware.org/git/glibc into upstreamupstream

1 files changed, 53 insertions, 0 deletions

diff --git a/sysdeps/hppa/nptl/bits/struct_mutex.h b/sysdeps/hppa/nptl/bits/struct_mutex.h
new file mode 100644
index 0000000000..7f81256fe3
--- /dev/null
+++ b/sysdeps/hppa/nptl/bits/struct_mutex.h
@@ -0,0 +1,53 @@
+/* HPPA internal mutex struct definitions.
+   Copyright (C) 2019 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