diff options
Diffstat (limited to 'sysdeps/hppa/nptl/bits/struct_mutex.h')
| -rw-r--r-- | sysdeps/hppa/nptl/bits/struct_mutex.h | 53 |
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 |