about summary refs log tree commit diff
path: root/sysdeps/nptl
diff options
context:
space:
mode:
authorFlorian Weimer <fweimer@redhat.com>2021-06-22 09:50:27 +0200
committerFlorian Weimer <fweimer@redhat.com>2021-06-22 09:51:10 +0200
commit3c79234c7a9cf57aa79e84745493dfad1a7c72fc (patch)
treea5dea87d81bcea5a6b1540be7d69ce3b662abb6d /sysdeps/nptl
parentdaa3fc9bff55c1f8368a464ec802ab620901344e (diff)
downloadglibc-3c79234c7a9cf57aa79e84745493dfad1a7c72fc.tar.gz
glibc-3c79234c7a9cf57aa79e84745493dfad1a7c72fc.tar.xz
glibc-3c79234c7a9cf57aa79e84745493dfad1a7c72fc.zip
nptl: Move pthreadP.h into sysdeps directory
This mirrors the situation on Hurd.  These directories are on
the include search part, so #include <pthreadP.h> works after this
change on both Hurd and nptl.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
Diffstat (limited to 'sysdeps/nptl')
-rw-r--r--sysdeps/nptl/aio_misc.h2
-rw-r--r--sysdeps/nptl/dl-tls_init_tp.c2
-rw-r--r--sysdeps/nptl/fork.c2
-rw-r--r--sysdeps/nptl/gai_misc.h2
-rw-r--r--sysdeps/nptl/jmp-unwind.c2
-rw-r--r--sysdeps/nptl/libc-lockP.h2
-rw-r--r--sysdeps/nptl/libc_start_call_main.h2
-rw-r--r--sysdeps/nptl/pthreadP.h739
-rw-r--r--sysdeps/nptl/pthread_early_init.h2
-rw-r--r--sysdeps/nptl/setxid.h2
10 files changed, 748 insertions, 9 deletions
diff --git a/sysdeps/nptl/aio_misc.h b/sysdeps/nptl/aio_misc.h
index 3e9b8929b2..a5c439fab5 100644
--- a/sysdeps/nptl/aio_misc.h
+++ b/sysdeps/nptl/aio_misc.h
@@ -21,7 +21,7 @@
    correct aio_suspend and lio_listio implementations.  */
 
 #include <assert.h>
-#include <nptl/pthreadP.h>
+#include <pthreadP.h>
 #include <futex-internal.h>
 
 #define DONT_NEED_AIO_MISC_COND	1
diff --git a/sysdeps/nptl/dl-tls_init_tp.c b/sysdeps/nptl/dl-tls_init_tp.c
index b7b3bb1cdb..c3349dd14c 100644
--- a/sysdeps/nptl/dl-tls_init_tp.c
+++ b/sysdeps/nptl/dl-tls_init_tp.c
@@ -19,7 +19,7 @@
 #include <kernel-features.h>
 #include <ldsodefs.h>
 #include <list.h>
-#include <nptl/pthreadP.h>
+#include <pthreadP.h>
 #include <tls.h>
 
 #ifndef __ASSUME_SET_ROBUST_LIST
diff --git a/sysdeps/nptl/fork.c b/sysdeps/nptl/fork.c
index 062b01265a..39ab797612 100644
--- a/sysdeps/nptl/fork.c
+++ b/sysdeps/nptl/fork.c
@@ -27,7 +27,7 @@
 #include <ldsodefs.h>
 #include <stdio-lock.h>
 #include <atomic.h>
-#include <nptl/pthreadP.h>
+#include <pthreadP.h>
 #include <register-atfork.h>
 #include <arch-fork.h>
 #include <futex-internal.h>
diff --git a/sysdeps/nptl/gai_misc.h b/sysdeps/nptl/gai_misc.h
index 82948fdf96..36bf27523d 100644
--- a/sysdeps/nptl/gai_misc.h
+++ b/sysdeps/nptl/gai_misc.h
@@ -22,7 +22,7 @@
 
 #include <assert.h>
 #include <signal.h>
-#include <nptl/pthreadP.h>
+#include <pthreadP.h>
 #include <futex-internal.h>
 
 #define DONT_NEED_GAI_MISC_COND	1
diff --git a/sysdeps/nptl/jmp-unwind.c b/sysdeps/nptl/jmp-unwind.c
index 96c4862c74..5254c16b81 100644
--- a/sysdeps/nptl/jmp-unwind.c
+++ b/sysdeps/nptl/jmp-unwind.c
@@ -19,7 +19,7 @@
 #include <setjmp.h>
 #include <stddef.h>
 #include <libc-lock.h>
-#include <nptl/pthreadP.h>
+#include <pthreadP.h>
 
 void
 _longjmp_unwind (jmp_buf env, int val)
diff --git a/sysdeps/nptl/libc-lockP.h b/sysdeps/nptl/libc-lockP.h
index ec7b02bbdd..ef88a3e533 100644
--- a/sysdeps/nptl/libc-lockP.h
+++ b/sysdeps/nptl/libc-lockP.h
@@ -36,7 +36,7 @@
 #if IS_IN (libpthread)
 /* This gets us the declarations of the __pthread_* internal names,
    and hidden_proto for them.  */
-# include <nptl/pthreadP.h>
+# include <pthreadP.h>
 #endif
 
 /* Mutex type.  */
diff --git a/sysdeps/nptl/libc_start_call_main.h b/sysdeps/nptl/libc_start_call_main.h
index b56bf34325..06d72c1e38 100644
--- a/sysdeps/nptl/libc_start_call_main.h
+++ b/sysdeps/nptl/libc_start_call_main.h
@@ -17,7 +17,7 @@
    <https://www.gnu.org/licenses/>.  */
 
 #include <atomic.h>
-#include <nptl/pthreadP.h>
+#include <pthreadP.h>
 
 _Noreturn static void
 __libc_start_call_main (int (*main) (int, char **, char ** MAIN_AUXVEC_DECL),
diff --git a/sysdeps/nptl/pthreadP.h b/sysdeps/nptl/pthreadP.h
new file mode 100644
index 0000000000..ca96ff073b
--- /dev/null
+++ b/sysdeps/nptl/pthreadP.h
@@ -0,0 +1,739 @@
+/* Copyright (C) 2002-2021 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+   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
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _PTHREADP_H
+#define _PTHREADP_H	1
+
+#define __PTHREAD_NPTL
+
+#include <pthread.h>
+#include <setjmp.h>
+#include <stdbool.h>
+#include <sys/syscall.h>
+#include <nptl/descr.h>
+#include <tls.h>
+#include <lowlevellock.h>
+#include <stackinfo.h>
+#include <internaltypes.h>
+#include <atomic.h>
+#include <kernel-features.h>
+#include <errno.h>
+#include <internal-signals.h>
+#include "pthread_mutex_conf.h"
+
+
+/* Atomic operations on TLS memory.  */
+#ifndef THREAD_ATOMIC_CMPXCHG_VAL
+# define THREAD_ATOMIC_CMPXCHG_VAL(descr, member, new, old) \
+  atomic_compare_and_exchange_val_acq (&(descr)->member, new, old)
+#endif
+
+#ifndef THREAD_ATOMIC_BIT_SET
+# define THREAD_ATOMIC_BIT_SET(descr, member, bit) \
+  atomic_bit_set (&(descr)->member, bit)
+#endif
+
+
+static inline short max_adaptive_count (void)
+{
+#if HAVE_TUNABLES
+  return __mutex_aconf.spin_count;
+#else
+  return DEFAULT_ADAPTIVE_COUNT;
+#endif
+}
+
+
+/* Magic cookie representing robust mutex with dead owner.  */
+#define PTHREAD_MUTEX_INCONSISTENT	INT_MAX
+/* Magic cookie representing not recoverable robust mutex.  */
+#define PTHREAD_MUTEX_NOTRECOVERABLE	(INT_MAX - 1)
+
+
+/* Internal mutex type value.  */
+enum
+{
+  PTHREAD_MUTEX_KIND_MASK_NP = 3,
+
+  PTHREAD_MUTEX_ELISION_NP    = 256,
+  PTHREAD_MUTEX_NO_ELISION_NP = 512,
+
+  PTHREAD_MUTEX_ROBUST_NORMAL_NP = 16,
+  PTHREAD_MUTEX_ROBUST_RECURSIVE_NP
+  = PTHREAD_MUTEX_ROBUST_NORMAL_NP | PTHREAD_MUTEX_RECURSIVE_NP,
+  PTHREAD_MUTEX_ROBUST_ERRORCHECK_NP
+  = PTHREAD_MUTEX_ROBUST_NORMAL_NP | PTHREAD_MUTEX_ERRORCHECK_NP,
+  PTHREAD_MUTEX_ROBUST_ADAPTIVE_NP
+  = PTHREAD_MUTEX_ROBUST_NORMAL_NP | PTHREAD_MUTEX_ADAPTIVE_NP,
+  PTHREAD_MUTEX_PRIO_INHERIT_NP = 32,
+  PTHREAD_MUTEX_PI_NORMAL_NP
+  = PTHREAD_MUTEX_PRIO_INHERIT_NP | PTHREAD_MUTEX_NORMAL,
+  PTHREAD_MUTEX_PI_RECURSIVE_NP
+  = PTHREAD_MUTEX_PRIO_INHERIT_NP | PTHREAD_MUTEX_RECURSIVE_NP,
+  PTHREAD_MUTEX_PI_ERRORCHECK_NP
+  = PTHREAD_MUTEX_PRIO_INHERIT_NP | PTHREAD_MUTEX_ERRORCHECK_NP,
+  PTHREAD_MUTEX_PI_ADAPTIVE_NP
+  = PTHREAD_MUTEX_PRIO_INHERIT_NP | PTHREAD_MUTEX_ADAPTIVE_NP,
+  PTHREAD_MUTEX_PI_ROBUST_NORMAL_NP
+  = PTHREAD_MUTEX_PRIO_INHERIT_NP | PTHREAD_MUTEX_ROBUST_NORMAL_NP,
+  PTHREAD_MUTEX_PI_ROBUST_RECURSIVE_NP
+  = PTHREAD_MUTEX_PRIO_INHERIT_NP | PTHREAD_MUTEX_ROBUST_RECURSIVE_NP,
+  PTHREAD_MUTEX_PI_ROBUST_ERRORCHECK_NP
+  = PTHREAD_MUTEX_PRIO_INHERIT_NP | PTHREAD_MUTEX_ROBUST_ERRORCHECK_NP,
+  PTHREAD_MUTEX_PI_ROBUST_ADAPTIVE_NP
+  = PTHREAD_MUTEX_PRIO_INHERIT_NP | PTHREAD_MUTEX_ROBUST_ADAPTIVE_NP,
+  PTHREAD_MUTEX_PRIO_PROTECT_NP = 64,
+  PTHREAD_MUTEX_PP_NORMAL_NP
+  = PTHREAD_MUTEX_PRIO_PROTECT_NP | PTHREAD_MUTEX_NORMAL,
+  PTHREAD_MUTEX_PP_RECURSIVE_NP
+  = PTHREAD_MUTEX_PRIO_PROTECT_NP | PTHREAD_MUTEX_RECURSIVE_NP,
+  PTHREAD_MUTEX_PP_ERRORCHECK_NP
+  = PTHREAD_MUTEX_PRIO_PROTECT_NP | PTHREAD_MUTEX_ERRORCHECK_NP,
+  PTHREAD_MUTEX_PP_ADAPTIVE_NP
+  = PTHREAD_MUTEX_PRIO_PROTECT_NP | PTHREAD_MUTEX_ADAPTIVE_NP,
+  PTHREAD_MUTEX_ELISION_FLAGS_NP
+  = PTHREAD_MUTEX_ELISION_NP | PTHREAD_MUTEX_NO_ELISION_NP,
+
+  PTHREAD_MUTEX_TIMED_ELISION_NP =
+	  PTHREAD_MUTEX_TIMED_NP | PTHREAD_MUTEX_ELISION_NP,
+  PTHREAD_MUTEX_TIMED_NO_ELISION_NP =
+	  PTHREAD_MUTEX_TIMED_NP | PTHREAD_MUTEX_NO_ELISION_NP,
+};
+#define PTHREAD_MUTEX_PSHARED_BIT 128
+
+/* See concurrency notes regarding __kind in struct __pthread_mutex_s
+   in sysdeps/nptl/bits/thread-shared-types.h.  */
+#define PTHREAD_MUTEX_TYPE(m) \
+  (atomic_load_relaxed (&((m)->__data.__kind)) & 127)
+/* Don't include NO_ELISION, as that type is always the same
+   as the underlying lock type.  */
+#define PTHREAD_MUTEX_TYPE_ELISION(m) \
+  (atomic_load_relaxed (&((m)->__data.__kind))	\
+   & (127 | PTHREAD_MUTEX_ELISION_NP))
+
+#if LLL_PRIVATE == 0 && LLL_SHARED == 128
+# define PTHREAD_MUTEX_PSHARED(m) \
+  (atomic_load_relaxed (&((m)->__data.__kind)) & 128)
+#else
+# define PTHREAD_MUTEX_PSHARED(m) \
+  ((atomic_load_relaxed (&((m)->__data.__kind)) & 128)	\
+   ? LLL_SHARED : LLL_PRIVATE)
+#endif
+
+/* The kernel when waking robust mutexes on exit never uses
+   FUTEX_PRIVATE_FLAG FUTEX_WAKE.  */
+#define PTHREAD_ROBUST_MUTEX_PSHARED(m) LLL_SHARED
+
+/* Ceiling in __data.__lock.  __data.__lock is signed, so don't
+   use the MSB bit in there, but in the mask also include that bit,
+   so that the compiler can optimize & PTHREAD_MUTEX_PRIO_CEILING_MASK
+   masking if the value is then shifted down by
+   PTHREAD_MUTEX_PRIO_CEILING_SHIFT.  */
+#define PTHREAD_MUTEX_PRIO_CEILING_SHIFT	19
+#define PTHREAD_MUTEX_PRIO_CEILING_MASK		0xfff80000
+
+
+/* Flags in mutex attr.  */
+#define PTHREAD_MUTEXATTR_PROTOCOL_SHIFT	28
+#define PTHREAD_MUTEXATTR_PROTOCOL_MASK		0x30000000
+#define PTHREAD_MUTEXATTR_PRIO_CEILING_SHIFT	12
+#define PTHREAD_MUTEXATTR_PRIO_CEILING_MASK	0x00fff000
+#define PTHREAD_MUTEXATTR_FLAG_ROBUST		0x40000000
+#define PTHREAD_MUTEXATTR_FLAG_PSHARED		0x80000000
+#define PTHREAD_MUTEXATTR_FLAG_BITS \
+  (PTHREAD_MUTEXATTR_FLAG_ROBUST | PTHREAD_MUTEXATTR_FLAG_PSHARED \
+   | PTHREAD_MUTEXATTR_PROTOCOL_MASK | PTHREAD_MUTEXATTR_PRIO_CEILING_MASK)
+
+
+/* For the following, see pthread_rwlock_common.c.  */
+#define PTHREAD_RWLOCK_WRPHASE		1
+#define PTHREAD_RWLOCK_WRLOCKED		2
+#define PTHREAD_RWLOCK_RWAITING		4
+#define PTHREAD_RWLOCK_READER_SHIFT	3
+#define PTHREAD_RWLOCK_READER_OVERFLOW	((unsigned int) 1 \
+					 << (sizeof (unsigned int) * 8 - 1))
+#define PTHREAD_RWLOCK_WRHANDOVER	((unsigned int) 1 \
+					 << (sizeof (unsigned int) * 8 - 1))
+#define PTHREAD_RWLOCK_FUTEX_USED	2
+
+
+/* Bits used in robust mutex implementation.  */
+#define FUTEX_WAITERS		0x80000000
+#define FUTEX_OWNER_DIED	0x40000000
+#define FUTEX_TID_MASK		0x3fffffff
+
+
+/* pthread_once definitions.  See __pthread_once for how these are used.  */
+#define __PTHREAD_ONCE_INPROGRESS	1
+#define __PTHREAD_ONCE_DONE		2
+#define __PTHREAD_ONCE_FORK_GEN_INCR	4
+
+/* Attribute to indicate thread creation was issued from C11 thrd_create.  */
+#define ATTR_C11_THREAD ((void*)(uintptr_t)-1)
+
+
+/* Condition variable definitions.  See __pthread_cond_wait_common.
+   Need to be defined here so there is one place from which
+   nptl_lock_constants can grab them.  */
+#define __PTHREAD_COND_CLOCK_MONOTONIC_MASK 2
+#define __PTHREAD_COND_SHARED_MASK 1
+
+
+/* Internal variables.  */
+
+
+/* Default pthread attributes.  */
+extern union pthread_attr_transparent __default_pthread_attr;
+libc_hidden_proto (__default_pthread_attr)
+extern int __default_pthread_attr_lock;
+libc_hidden_proto (__default_pthread_attr_lock)
+/* Called from __libc_freeres to deallocate the default attribute.  */
+extern void __default_pthread_attr_freeres (void) attribute_hidden;
+
+/* Attribute handling.  */
+extern struct pthread_attr *__attr_list attribute_hidden;
+extern int __attr_list_lock attribute_hidden;
+
+/* Concurrency handling.  */
+extern int __concurrency_level attribute_hidden;
+
+/* Thread-local data key handling.  */
+extern struct pthread_key_struct __pthread_keys[PTHREAD_KEYS_MAX];
+libc_hidden_proto (__pthread_keys)
+
+/* Number of threads running.  */
+extern unsigned int __nptl_nthreads;
+libc_hidden_proto (__nptl_nthreads)
+
+#ifndef __ASSUME_SET_ROBUST_LIST
+/* True if the set_robust_list system call works.  Initialized in
+   __tls_init_tp.  */
+extern bool __nptl_set_robust_list_avail;
+rtld_hidden_proto (__nptl_set_robust_list_avail)
+#endif
+
+/* Thread Priority Protection.  */
+extern int __sched_fifo_min_prio;
+libc_hidden_proto (__sched_fifo_min_prio)
+extern int __sched_fifo_max_prio;
+libc_hidden_proto (__sched_fifo_max_prio)
+extern void __init_sched_fifo_prio (void);
+libc_hidden_proto (__init_sched_fifo_prio)
+extern int __pthread_tpp_change_priority (int prev_prio, int new_prio);
+libc_hidden_proto (__pthread_tpp_change_priority)
+extern int __pthread_current_priority (void);
+libc_hidden_proto (__pthread_current_priority)
+
+/* This will not catch all invalid descriptors but is better than
+   nothing.  And if the test triggers the thread descriptor is
+   guaranteed to be invalid.  */
+#define INVALID_TD_P(pd) __builtin_expect ((pd)->tid <= 0, 0)
+#define INVALID_NOT_TERMINATED_TD_P(pd) __builtin_expect ((pd)->tid < 0, 0)
+
+extern void __pthread_unwind (__pthread_unwind_buf_t *__buf)
+     __cleanup_fct_attribute __attribute ((__noreturn__))
+#if !defined SHARED && !IS_IN (libpthread)
+     weak_function
+#endif
+     ;
+libc_hidden_proto (__pthread_unwind)
+extern void __pthread_unwind_next (__pthread_unwind_buf_t *__buf)
+     __cleanup_fct_attribute __attribute ((__noreturn__))
+#ifndef SHARED
+     weak_function
+#endif
+     ;
+/* NB: No hidden proto for __pthread_unwind_next: inside glibc, the
+   legacy unwinding mechanism is used.  */
+
+extern void __pthread_register_cancel (__pthread_unwind_buf_t *__buf)
+     __cleanup_fct_attribute;
+libc_hidden_proto (__pthread_register_cancel)
+extern void __pthread_unregister_cancel (__pthread_unwind_buf_t *__buf)
+     __cleanup_fct_attribute;
+libc_hidden_proto (__pthread_unregister_cancel)
+
+/* Called when a thread reacts on a cancellation request.  */
+static inline void
+__attribute ((noreturn, always_inline))
+__do_cancel (void)
+{
+  struct pthread *self = THREAD_SELF;
+
+  /* Make sure we get no more cancellations.  */
+  THREAD_ATOMIC_BIT_SET (self, cancelhandling, EXITING_BIT);
+
+  __pthread_unwind ((__pthread_unwind_buf_t *)
+		    THREAD_GETMEM (self, cleanup_jmp_buf));
+}
+
+
+/* Internal prototypes.  */
+
+/* Deallocate a thread's stack after optionally making sure the thread
+   descriptor is still valid.  */
+extern void __nptl_free_tcb (struct pthread *pd);
+libc_hidden_proto (__nptl_free_tcb)
+
+/* Change the permissions of a thread stack.  Called from
+   _dl_make_stacks_executable and pthread_create.  */
+int
+__nptl_change_stack_perm (struct pthread *pd);
+rtld_hidden_proto (__nptl_change_stack_perm)
+
+/* longjmp handling.  */
+extern void __pthread_cleanup_upto (__jmp_buf target, char *targetframe);
+libc_hidden_proto (__pthread_cleanup_upto)
+
+
+/* Functions with versioned interfaces.  */
+extern int __pthread_create (pthread_t *newthread,
+			     const pthread_attr_t *attr,
+			     void *(*start_routine) (void *), void *arg);
+libc_hidden_proto (__pthread_create)
+extern int __pthread_create_2_0 (pthread_t *newthread,
+				 const pthread_attr_t *attr,
+				 void *(*start_routine) (void *), void *arg);
+extern int __pthread_attr_init (pthread_attr_t *attr);
+libc_hidden_proto (__pthread_attr_init)
+extern int __pthread_attr_init_2_0 (pthread_attr_t *attr);
+
+/* Part of the legacy thread events interface (which has been
+   superseded by PTRACE_O_TRACECLONE).  This can be set by the
+   debugger before initialization is complete.  */
+extern bool __nptl_initial_report_events;
+rtld_hidden_proto (__nptl_initial_report_events)
+
+/* Event handlers for libthread_db interface.  */
+extern void __nptl_create_event (void);
+extern void __nptl_death_event (void);
+libc_hidden_proto (__nptl_create_event)
+libc_hidden_proto (__nptl_death_event)
+
+/* The fork generation counter, defined in libpthread.  */
+extern unsigned long int __fork_generation attribute_hidden;
+
+/* Pointer to the fork generation counter in the thread library.  */
+extern unsigned long int *__fork_generation_pointer attribute_hidden;
+
+extern size_t __pthread_get_minstack (const pthread_attr_t *attr);
+libc_hidden_proto (__pthread_get_minstack)
+
+/* Namespace save aliases.  */
+extern int __pthread_getschedparam (pthread_t thread_id, int *policy,
+				    struct sched_param *param);
+extern int __pthread_setschedparam (pthread_t thread_id, int policy,
+				    const struct sched_param *param);
+extern int __pthread_mutex_init (pthread_mutex_t *__mutex,
+				 const pthread_mutexattr_t *__mutexattr);
+libc_hidden_proto (__pthread_mutex_init)
+extern int __pthread_mutex_destroy (pthread_mutex_t *__mutex);
+libc_hidden_proto (__pthread_mutex_destroy)
+extern int __pthread_mutex_trylock (pthread_mutex_t *_mutex);
+libc_hidden_proto (__pthread_mutex_trylock)
+extern int __pthread_mutex_lock (pthread_mutex_t *__mutex);
+libc_hidden_proto (__pthread_mutex_lock)
+extern int __pthread_mutex_timedlock (pthread_mutex_t *__mutex,
+     const struct timespec *__abstime);
+extern int __pthread_mutex_cond_lock (pthread_mutex_t *__mutex)
+     attribute_hidden;
+extern void __pthread_mutex_cond_lock_adjust (pthread_mutex_t *__mutex)
+     attribute_hidden;
+extern int __pthread_mutex_unlock (pthread_mutex_t *__mutex);
+libc_hidden_proto (__pthread_mutex_unlock)
+extern int __pthread_mutex_unlock_usercnt (pthread_mutex_t *__mutex,
+					   int __decr);
+libc_hidden_proto (__pthread_mutex_unlock_usercnt)
+extern int __pthread_mutexattr_init (pthread_mutexattr_t *attr);
+libc_hidden_proto (__pthread_mutexattr_init)
+extern int __pthread_mutexattr_destroy (pthread_mutexattr_t *attr);
+extern int __pthread_mutexattr_settype (pthread_mutexattr_t *attr, int kind);
+libc_hidden_proto (__pthread_mutexattr_settype)
+extern int __pthread_attr_destroy (pthread_attr_t *attr);
+libc_hidden_proto (__pthread_attr_destroy)
+extern int __pthread_attr_getdetachstate (const pthread_attr_t *attr,
+					  int *detachstate);
+extern int __pthread_attr_setdetachstate (pthread_attr_t *attr,
+					  int detachstate);
+extern int __pthread_attr_getinheritsched (const pthread_attr_t *attr,
+					   int *inherit);
+extern int __pthread_attr_setinheritsched (pthread_attr_t *attr, int inherit);
+extern int __pthread_attr_getschedparam (const pthread_attr_t *attr,
+					 struct sched_param *param);
+extern int __pthread_attr_setschedparam (pthread_attr_t *attr,
+					 const struct sched_param *param);
+extern int __pthread_attr_getschedpolicy (const pthread_attr_t *attr,
+					  int *policy);
+extern int __pthread_attr_setschedpolicy (pthread_attr_t *attr, int policy);
+extern int __pthread_attr_getscope (const pthread_attr_t *attr, int *scope);
+extern int __pthread_attr_setscope (pthread_attr_t *attr, int scope);
+extern int __pthread_attr_getstackaddr (const pthread_attr_t *__restrict
+					__attr, void **__restrict __stackaddr);
+extern int __pthread_attr_setstackaddr (pthread_attr_t *__attr,
+					void *__stackaddr);
+extern int __pthread_attr_getstacksize (const pthread_attr_t *__restrict
+					__attr,
+					size_t *__restrict __stacksize);
+extern int __pthread_attr_setstacksize (pthread_attr_t *__attr,
+					size_t __stacksize);
+extern int __pthread_attr_getstack (const pthread_attr_t *__restrict __attr,
+				    void **__restrict __stackaddr,
+				    size_t *__restrict __stacksize);
+extern int __pthread_attr_setstack (pthread_attr_t *__attr, void *__stackaddr,
+				    size_t __stacksize);
+int __pthread_attr_setaffinity_np (pthread_attr_t *, size_t, const cpu_set_t *);
+libc_hidden_proto (__pthread_attr_setaffinity_np)
+extern __typeof (pthread_getattr_default_np) __pthread_getattr_default_np;
+libc_hidden_proto (__pthread_getattr_default_np)
+extern int __pthread_rwlock_init (pthread_rwlock_t *__restrict __rwlock,
+				  const pthread_rwlockattr_t *__restrict
+				  __attr);
+extern int __pthread_rwlock_destroy (pthread_rwlock_t *__rwlock);
+extern int __pthread_rwlock_rdlock (pthread_rwlock_t *__rwlock);
+libc_hidden_proto (__pthread_rwlock_rdlock)
+extern int __pthread_rwlock_tryrdlock (pthread_rwlock_t *__rwlock);
+extern int __pthread_rwlock_wrlock (pthread_rwlock_t *__rwlock);
+libc_hidden_proto (__pthread_rwlock_wrlock)
+extern int __pthread_rwlock_trywrlock (pthread_rwlock_t *__rwlock);
+extern int __pthread_rwlock_unlock (pthread_rwlock_t *__rwlock);
+extern int __pthread_cond_broadcast (pthread_cond_t *cond);
+libc_hidden_proto (__pthread_cond_broadcast)
+extern int __pthread_cond_destroy (pthread_cond_t *cond);
+libc_hidden_proto (__pthread_cond_destroy)
+extern int __pthread_cond_init (pthread_cond_t *cond,
+				const pthread_condattr_t *cond_attr);
+libc_hidden_proto (__pthread_cond_init)
+extern int __pthread_cond_signal (pthread_cond_t *cond);
+libc_hidden_proto (__pthread_cond_signal)
+extern int __pthread_cond_wait (pthread_cond_t *cond, pthread_mutex_t *mutex);
+libc_hidden_proto (__pthread_cond_wait)
+
+#if __TIMESIZE == 64
+# define __pthread_clockjoin_np64 __pthread_clockjoin_np
+# define __pthread_timedjoin_np64 __pthread_timedjoin_np
+# define __pthread_cond_timedwait64 __pthread_cond_timedwait
+# define __pthread_cond_clockwait64 __pthread_cond_clockwait
+# define __pthread_rwlock_clockrdlock64 __pthread_rwlock_clockrdlock
+# define __pthread_rwlock_clockwrlock64 __pthread_rwlock_clockwrlock
+# define __pthread_rwlock_timedrdlock64 __pthread_rwlock_timedrdlock
+# define __pthread_rwlock_timedwrlock64 __pthread_rwlock_timedwrlock
+# define __pthread_mutex_clocklock64 __pthread_mutex_clocklock
+# define __pthread_mutex_timedlock64 __pthread_mutex_timedlock
+#else
+extern int __pthread_clockjoin_np64 (pthread_t threadid, void **thread_return,
+                                     clockid_t clockid,
+                                     const struct __timespec64 *abstime);
+libc_hidden_proto (__pthread_clockjoin_np64)
+extern int __pthread_timedjoin_np64 (pthread_t threadid, void **thread_return,
+                                     const struct __timespec64 *abstime);
+libc_hidden_proto (__pthread_timedjoin_np64)
+extern int __pthread_cond_timedwait64 (pthread_cond_t *cond,
+                                       pthread_mutex_t *mutex,
+                                       const struct __timespec64 *abstime);
+libc_hidden_proto (__pthread_cond_timedwait64)
+extern int __pthread_cond_clockwait64 (pthread_cond_t *cond,
+                                       pthread_mutex_t *mutex,
+                                       clockid_t clockid,
+                                       const struct __timespec64 *abstime);
+libc_hidden_proto (__pthread_cond_clockwait64)
+extern int __pthread_rwlock_clockrdlock64 (pthread_rwlock_t *rwlock,
+                                           clockid_t clockid,
+                                           const struct __timespec64 *abstime);
+libc_hidden_proto (__pthread_rwlock_clockrdlock64)
+extern int __pthread_rwlock_clockwrlock64 (pthread_rwlock_t *rwlock,
+                                           clockid_t clockid,
+                                           const struct __timespec64 *abstime);
+libc_hidden_proto (__pthread_rwlock_clockwrlock64)
+extern int __pthread_rwlock_timedrdlock64 (pthread_rwlock_t *rwlock,
+                                           const struct __timespec64 *abstime);
+libc_hidden_proto (__pthread_rwlock_timedrdlock64)
+extern int __pthread_rwlock_timedwrlock64 (pthread_rwlock_t *rwlock,
+                                           const struct __timespec64 *abstime);
+libc_hidden_proto (__pthread_rwlock_timedwrlock64)
+extern int __pthread_mutex_clocklock64 (pthread_mutex_t *mutex,
+                                        clockid_t clockid,
+                                        const struct __timespec64 *abstime);
+libc_hidden_proto (__pthread_mutex_clocklock64)
+extern int __pthread_mutex_timedlock64 (pthread_mutex_t *mutex,
+                                        const struct __timespec64 *abstime);
+libc_hidden_proto (__pthread_mutex_timedlock64)
+#endif
+
+extern int __pthread_cond_timedwait (pthread_cond_t *cond,
+				     pthread_mutex_t *mutex,
+				     const struct timespec *abstime);
+libc_hidden_proto (__pthread_cond_timedwait)
+extern int __pthread_cond_clockwait (pthread_cond_t *cond,
+				     pthread_mutex_t *mutex,
+				     clockid_t clockid,
+				     const struct timespec *abstime)
+  __nonnull ((1, 2, 4));
+libc_hidden_proto (__pthread_cond_clockwait)
+
+extern int __pthread_mutex_clocklock (pthread_mutex_t *mutex,
+				      clockid_t clockid,
+				      const struct timespec *abstime);
+libc_hidden_proto (__pthread_mutex_clocklock)
+extern int __pthread_mutex_timedlock (pthread_mutex_t *mutex,
+				      const struct timespec *abstime);
+libc_hidden_proto (__pthread_mutex_timedlock)
+
+extern int __pthread_condattr_destroy (pthread_condattr_t *attr);
+extern int __pthread_condattr_init (pthread_condattr_t *attr);
+extern int __pthread_key_create (pthread_key_t *key, void (*destr) (void *));
+libc_hidden_proto (__pthread_key_create)
+extern int __pthread_key_delete (pthread_key_t key);
+libc_hidden_proto (__pthread_key_delete)
+extern void *__pthread_getspecific (pthread_key_t key);
+libc_hidden_proto (__pthread_getspecific)
+extern int __pthread_setspecific (pthread_key_t key, const void *value);
+libc_hidden_proto (__pthread_setspecific)
+extern int __pthread_once (pthread_once_t *once_control,
+			   void (*init_routine) (void));
+libc_hidden_proto (__pthread_once)
+extern int __pthread_atfork (void (*prepare) (void), void (*parent) (void),
+			     void (*child) (void));
+libc_hidden_proto (__pthread_self)
+extern int __pthread_equal (pthread_t thread1, pthread_t thread2);
+extern int __pthread_detach (pthread_t th);
+libc_hidden_proto (__pthread_detach)
+extern int __pthread_kill (pthread_t threadid, int signo);
+libc_hidden_proto (__pthread_kill)
+extern int __pthread_cancel (pthread_t th);
+extern int __pthread_kill_internal (pthread_t threadid, int signo)
+  attribute_hidden;
+extern void __pthread_exit (void *value) __attribute__ ((__noreturn__));
+libc_hidden_proto (__pthread_exit)
+extern int __pthread_join (pthread_t threadid, void **thread_return);
+libc_hidden_proto (__pthread_join)
+extern int __pthread_setcanceltype (int type, int *oldtype);
+libc_hidden_proto (__pthread_setcanceltype)
+extern void __pthread_testcancel (void);
+libc_hidden_proto (__pthread_testcancel)
+extern int __pthread_clockjoin_ex (pthread_t, void **, clockid_t,
+				   const struct __timespec64 *, bool)
+  attribute_hidden;
+extern int __pthread_sigmask (int, const sigset_t *, sigset_t *);
+libc_hidden_proto (__pthread_sigmask);
+
+
+#if IS_IN (libpthread)
+hidden_proto (__pthread_rwlock_unlock)
+#endif
+
+extern int __pthread_cond_broadcast_2_0 (pthread_cond_2_0_t *cond);
+extern int __pthread_cond_destroy_2_0 (pthread_cond_2_0_t *cond);
+extern int __pthread_cond_init_2_0 (pthread_cond_2_0_t *cond,
+				    const pthread_condattr_t *cond_attr);
+extern int __pthread_cond_signal_2_0 (pthread_cond_2_0_t *cond);
+extern int __pthread_cond_timedwait_2_0 (pthread_cond_2_0_t *cond,
+					 pthread_mutex_t *mutex,
+					 const struct timespec *abstime);
+extern int __pthread_cond_wait_2_0 (pthread_cond_2_0_t *cond,
+				    pthread_mutex_t *mutex);
+
+extern int __pthread_getaffinity_np (pthread_t th, size_t cpusetsize,
+				     cpu_set_t *cpuset);
+libc_hidden_proto (__pthread_getaffinity_np)
+
+/* Special internal version of pthread_attr_setsigmask_np which does
+   not filter out internal signals from *SIGMASK.  This can be used to
+   launch threads with internal signals blocked.  */
+  extern int __pthread_attr_setsigmask_internal (pthread_attr_t *attr,
+						 const sigset_t *sigmask);
+libc_hidden_proto (__pthread_attr_setsigmask_internal)
+
+extern __typeof (pthread_attr_getsigmask_np) __pthread_attr_getsigmask_np;
+libc_hidden_proto (__pthread_attr_getsigmask_np)
+
+/* Special versions which use non-exported functions.  */
+extern void __pthread_cleanup_push (struct _pthread_cleanup_buffer *buffer,
+				    void (*routine) (void *), void *arg);
+libc_hidden_proto (__pthread_cleanup_push)
+
+/* Replace cleanup macros defined in <pthread.h> with internal
+   versions that don't depend on unwind info and better support
+   cancellation.  */
+# undef pthread_cleanup_push
+# define pthread_cleanup_push(routine,arg)              \
+  { struct _pthread_cleanup_buffer _buffer;             \
+  __pthread_cleanup_push (&_buffer, (routine), (arg));
+
+extern void __pthread_cleanup_pop (struct _pthread_cleanup_buffer *buffer,
+				   int execute);
+libc_hidden_proto (__pthread_cleanup_pop)
+# undef pthread_cleanup_pop
+# define pthread_cleanup_pop(execute)                   \
+  __pthread_cleanup_pop (&_buffer, (execute)); }
+
+#if defined __EXCEPTIONS && !defined __cplusplus
+/* Structure to hold the cleanup handler information.  */
+struct __pthread_cleanup_combined_frame
+{
+  void (*__cancel_routine) (void *);
+  void *__cancel_arg;
+  int __do_it;
+  struct _pthread_cleanup_buffer __buffer;
+};
+
+/* Special cleanup macros which register cleanup both using
+   __pthread_cleanup_{push,pop} and using cleanup attribute.  This is needed
+   for pthread_once, so that it supports both throwing exceptions from the
+   pthread_once callback (only cleanup attribute works there) and cancellation
+   of the thread running the callback if the callback or some routines it
+   calls don't have unwind information.  */
+
+static __always_inline void
+__pthread_cleanup_combined_routine (struct __pthread_cleanup_combined_frame
+				    *__frame)
+{
+  if (__frame->__do_it)
+    {
+      __frame->__cancel_routine (__frame->__cancel_arg);
+      __frame->__do_it = 0;
+      __pthread_cleanup_pop (&__frame->__buffer, 0);
+    }
+}
+
+static inline void
+__pthread_cleanup_combined_routine_voidptr (void *__arg)
+{
+  struct __pthread_cleanup_combined_frame *__frame
+    = (struct __pthread_cleanup_combined_frame *) __arg;
+  if (__frame->__do_it)
+    {
+      __frame->__cancel_routine (__frame->__cancel_arg);
+      __frame->__do_it = 0;
+    }
+}
+
+# define pthread_cleanup_combined_push(routine, arg) \
+  do {									      \
+    void (*__cancel_routine) (void *) = (routine);			      \
+    struct __pthread_cleanup_combined_frame __clframe			      \
+      __attribute__ ((__cleanup__ (__pthread_cleanup_combined_routine)))      \
+      = { .__cancel_routine = __cancel_routine, .__cancel_arg = (arg),	      \
+	  .__do_it = 1 };						      \
+    __pthread_cleanup_push (&__clframe.__buffer,			      \
+			    __pthread_cleanup_combined_routine_voidptr,	      \
+			    &__clframe);
+
+# define pthread_cleanup_combined_pop(execute) \
+    __pthread_cleanup_pop (&__clframe.__buffer, 0);			      \
+    __clframe.__do_it = 0;						      \
+    if (execute)							      \
+      __cancel_routine (__clframe.__cancel_arg);			      \
+  } while (0)
+
+#endif /* __EXCEPTIONS && !defined __cplusplus */
+
+extern void __pthread_cleanup_push_defer (struct _pthread_cleanup_buffer *buffer,
+					  void (*routine) (void *), void *arg);
+extern void __pthread_cleanup_pop_restore (struct _pthread_cleanup_buffer *buffer,
+					   int execute);
+
+/* Old cleanup interfaces, still used in libc.so.  */
+extern void _pthread_cleanup_push (struct _pthread_cleanup_buffer *buffer,
+				   void (*routine) (void *), void *arg);
+extern void _pthread_cleanup_pop (struct _pthread_cleanup_buffer *buffer,
+				  int execute);
+extern void _pthread_cleanup_push_defer (struct _pthread_cleanup_buffer *buffer,
+					 void (*routine) (void *), void *arg);
+extern void _pthread_cleanup_pop_restore (struct _pthread_cleanup_buffer *buffer,
+					  int execute);
+
+extern void __nptl_deallocate_tsd (void);
+libc_hidden_proto (__nptl_deallocate_tsd)
+
+void __nptl_setxid_sighandler (int sig, siginfo_t *si, void *ctx);
+libc_hidden_proto (__nptl_setxid_sighandler)
+extern int __nptl_setxid (struct xid_command *cmdp) attribute_hidden;
+
+extern void __wait_lookup_done (void) attribute_hidden;
+
+/* Allocates the extension space for ATTR.  Returns an error code on
+   memory allocation failure, zero on success.  If ATTR already has an
+   extension space, this function does nothing.  */
+int __pthread_attr_extension (struct pthread_attr *attr) attribute_hidden
+  __attribute_warn_unused_result__;
+
+#ifdef SHARED
+# define PTHREAD_STATIC_FN_REQUIRE(name)
+#else
+# define PTHREAD_STATIC_FN_REQUIRE(name) __asm (".globl " #name);
+#endif
+
+/* Make a deep copy of the attribute *SOURCE in *TARGET.  *TARGET is
+   not assumed to have been initialized.  Returns 0 on success, or a
+   positive error code otherwise.  */
+int __pthread_attr_copy (pthread_attr_t *target, const pthread_attr_t *source);
+libc_hidden_proto (__pthread_attr_copy)
+
+/* Returns 0 if POL is a valid scheduling policy.  */
+static inline int
+check_sched_policy_attr (int pol)
+{
+  if (pol == SCHED_OTHER || pol == SCHED_FIFO || pol == SCHED_RR)
+    return 0;
+
+  return EINVAL;
+}
+
+/* Returns 0 if PR is within the accepted range of priority values for
+   the scheduling policy POL or EINVAL otherwise.  */
+static inline int
+check_sched_priority_attr (int pr, int pol)
+{
+  int min = __sched_get_priority_min (pol);
+  int max = __sched_get_priority_max (pol);
+
+  if (min >= 0 && max >= 0 && pr >= min && pr <= max)
+    return 0;
+
+  return EINVAL;
+}
+
+/* Returns 0 if ST is a valid stack size for a thread stack and EINVAL
+   otherwise.  */
+static inline int
+check_stacksize_attr (size_t st)
+{
+  if (st >= PTHREAD_STACK_MIN)
+    return 0;
+
+  return EINVAL;
+}
+
+#define ASSERT_TYPE_SIZE(type, size) 					\
+  _Static_assert (sizeof (type) == size,				\
+		  "sizeof (" #type ") != " #size)
+
+#define ASSERT_PTHREAD_INTERNAL_SIZE(type, internal) 			\
+  _Static_assert (sizeof ((type) { { 0 } }).__size >= sizeof (internal),\
+		  "sizeof (" #type ".__size) < sizeof (" #internal ")")
+
+#define ASSERT_PTHREAD_STRING(x) __STRING (x)
+#define ASSERT_PTHREAD_INTERNAL_OFFSET(type, member, offset)		\
+  _Static_assert (offsetof (type, member) == offset,			\
+		  "offset of " #member " field of " #type " != "	\
+		  ASSERT_PTHREAD_STRING (offset))
+#define ASSERT_PTHREAD_INTERNAL_MEMBER_SIZE(type, member, mtype)	\
+  _Static_assert (sizeof (((type) { 0 }).member) != 8,	\
+		  "sizeof (" #type "." #member ") != sizeof (" #mtype "))")
+
+#endif	/* pthreadP.h */
diff --git a/sysdeps/nptl/pthread_early_init.h b/sysdeps/nptl/pthread_early_init.h
index 5b49ce39c2..89774c1477 100644
--- a/sysdeps/nptl/pthread_early_init.h
+++ b/sysdeps/nptl/pthread_early_init.h
@@ -20,7 +20,7 @@
 #define _PTHREAD_EARLY_INIT_H 1
 
 #include <nptl/nptl-stack.h>
-#include <nptl/pthreadP.h>
+#include <pthreadP.h>
 #include <pthread_mutex_conf.h>
 #include <sys/resource.h>
 
diff --git a/sysdeps/nptl/setxid.h b/sysdeps/nptl/setxid.h
index 8b49d11550..e90367bf02 100644
--- a/sysdeps/nptl/setxid.h
+++ b/sysdeps/nptl/setxid.h
@@ -15,7 +15,7 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-#include <nptl/pthreadP.h>
+#include <pthreadP.h>
 #include <sys/single_threaded.h>
 #include <sysdep.h>