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-rw-r--r--libpthread/nptl/pthreadP.h466
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diff --git a/libpthread/nptl/pthreadP.h b/libpthread/nptl/pthreadP.h
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index 24168146f..000000000
--- a/libpthread/nptl/pthreadP.h
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@@ -1,466 +0,0 @@
-/* Copyright (C) 2002, 2003, 2004 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, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
-#ifndef _PTHREADP_H
-#define _PTHREADP_H 1
-
-#include <pthread.h>
-#include <setjmp.h>
-#include <stdbool.h>
-#include <sys/syscall.h>
-#include "descr.h"
-#include <tls.h>
-#include <lowlevellock.h>
-#include <stackinfo.h>
-#include <internaltypes.h>
-#include <pthread-functions.h>
-#include <atomic.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
-
-
-/* Adaptive mutex definitions. */
-#ifndef MAX_ADAPTIVE_COUNT
-# define MAX_ADAPTIVE_COUNT 100
-#endif
-
-
-/* Internal variables. */
-
-
-/* Default stack size. */
-extern size_t __default_stacksize attribute_hidden;
-
-/* Size and alignment of static TLS block. */
-extern size_t __static_tls_size attribute_hidden;
-extern size_t __static_tls_align_m1 attribute_hidden;
-
-/* Flag whether the machine is SMP or not. */
-extern int __is_smp attribute_hidden;
-
-/* Thread descriptor handling. */
-extern list_t __stack_user;
-hidden_proto (__stack_user)
-
-/* Attribute handling. */
-extern struct pthread_attr *__attr_list attribute_hidden;
-extern lll_lock_t __attr_list_lock attribute_hidden;
-
-/* First available RT signal. */
-extern int __current_sigrtmin attribute_hidden;
-/* Last available RT signal. */
-extern int __current_sigrtmax 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];
-hidden_proto (__pthread_keys)
-
-/* Number of threads running. */
-extern unsigned int __nptl_nthreads attribute_hidden;
-
-/* The library can run in debugging mode where it performs a lot more
- tests. */
-extern int __pthread_debug attribute_hidden;
-/** For now disable debugging support. */
-#if 0
-# define DEBUGGING_P __builtin_expect (__pthread_debug, 0)
-# define INVALID_TD_P(pd) (DEBUGGING_P && __find_in_stack_list (pd) == NULL)
-# define INVALID_NOT_TERMINATED_TD_P(pd) INVALID_TD_P (pd)
-#else
-# define DEBUGGING_P 0
-/* Simplified test. 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)
-#endif
-
-
-/* Cancellation test. */
-#define CANCELLATION_P(self) \
- do { \
- int cancelhandling = THREAD_GETMEM (self, cancelhandling); \
- if (CANCEL_ENABLED_AND_CANCELED (cancelhandling)) \
- { \
- THREAD_SETMEM (self, result, PTHREAD_CANCELED); \
- __do_cancel (); \
- } \
- } while (0)
-
-
-extern void __pthread_unwind (__pthread_unwind_buf_t *__buf)
- __cleanup_fct_attribute __attribute ((__noreturn__))
-#if !defined SHARED && !defined IS_IN_libpthread
- weak_function
-#endif
- ;
-extern void __pthread_unwind_next (__pthread_unwind_buf_t *__buf)
- __cleanup_fct_attribute __attribute ((__noreturn__))
-#ifndef SHARED
- weak_function
-#endif
- ;
-extern void __pthread_register_cancel (__pthread_unwind_buf_t *__buf)
- __cleanup_fct_attribute;
-extern void __pthread_unregister_cancel (__pthread_unwind_buf_t *__buf)
- __cleanup_fct_attribute;
-#if defined NOT_IN_libc && defined IS_IN_libpthread
-hidden_proto (__pthread_unwind)
-hidden_proto (__pthread_unwind_next)
-hidden_proto (__pthread_register_cancel)
-hidden_proto (__pthread_unregister_cancel)
-# ifdef SHARED
-extern void attribute_hidden pthread_cancel_init (void);
-# endif
-#endif
-
-
-/* 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));
-}
-
-
-/* Set cancellation mode to asynchronous. */
-#define CANCEL_ASYNC() \
- __pthread_enable_asynccancel ()
-/* Reset to previous cancellation mode. */
-#define CANCEL_RESET(oldtype) \
- __pthread_disable_asynccancel (oldtype)
-
-#if !defined NOT_IN_libc
-/* Same as CANCEL_ASYNC, but for use in libc.so. */
-# define LIBC_CANCEL_ASYNC() \
- __libc_enable_asynccancel ()
-/* Same as CANCEL_RESET, but for use in libc.so. */
-# define LIBC_CANCEL_RESET(oldtype) \
- __libc_disable_asynccancel (oldtype)
-# define LIBC_CANCEL_HANDLED() \
- __asm (".globl " __SYMBOL_PREFIX "__libc_enable_asynccancel"); \
- __asm (".globl " __SYMBOL_PREFIX "__libc_disable_asynccancel")
-#elif defined NOT_IN_libc && defined IS_IN_libpthread
-# define LIBC_CANCEL_ASYNC() CANCEL_ASYNC ()
-# define LIBC_CANCEL_RESET(val) CANCEL_RESET (val)
-# define LIBC_CANCEL_HANDLED() \
- __asm (".globl " __SYMBOL_PREFIX "__pthread_enable_asynccancel"); \
- __asm (".globl " __SYMBOL_PREFIX "__pthread_disable_asynccancel")
-#elif defined NOT_IN_libc && defined IS_IN_librt
-# define LIBC_CANCEL_ASYNC() \
- __librt_enable_asynccancel ()
-# define LIBC_CANCEL_RESET(val) \
- __librt_disable_asynccancel (val)
-# define LIBC_CANCEL_HANDLED() \
- __asm (".globl " __SYMBOL_PREFIX "__librt_enable_asynccancel"); \
- __asm (".globl " __SYMBOL_PREFIX "__librt_disable_asynccancel")
-#else
-# define LIBC_CANCEL_ASYNC() 0 /* Just a dummy value. */
-# define LIBC_CANCEL_RESET(val) ((void)(val)) /* Nothing, but evaluate it. */
-# define LIBC_CANCEL_HANDLED() /* Nothing. */
-#endif
-
-/* The signal used for asynchronous cancelation. */
-#define SIGCANCEL __SIGRTMIN
-
-
-/* Signal needed for the kernel-supported POSIX timer implementation.
- We can reuse the cancellation signal since we can distinguish
- cancellation from timer expirations. */
-#define SIGTIMER SIGCANCEL
-
-
-/* Signal used to implement the setuid et.al. functions. */
-#define SIGSETXID (__SIGRTMIN + 1)
-
-/* Used to communicate with signal handler. */
-extern struct xid_command *__xidcmd attribute_hidden;
-
-
-/* Internal prototypes. */
-
-/* Thread list handling. */
-extern struct pthread *__find_in_stack_list (struct pthread *pd)
- attribute_hidden internal_function;
-
-/* Deallocate a thread's stack after optionally making sure the thread
- descriptor is still valid. */
-extern void __free_tcb (struct pthread *pd) attribute_hidden internal_function;
-
-/* Free allocated stack. */
-extern void __deallocate_stack (struct pthread *pd)
- attribute_hidden internal_function;
-
-/* Mark all the stacks except for the current one as available. This
- function also re-initializes the lock for the stack cache. */
-extern void __reclaim_stacks (void) attribute_hidden;
-
-/* Make all threads's stacks executable. */
-extern int __make_stacks_executable (void **stack_endp)
- internal_function attribute_hidden;
-
-/* longjmp handling. */
-extern void __pthread_cleanup_upto (__jmp_buf target, char *targetframe);
-#if defined NOT_IN_libc && defined IS_IN_libpthread
-hidden_proto (__pthread_cleanup_upto)
-#endif
-
-
-/* Functions with versioned interfaces. */
-extern int __pthread_create_2_1 (pthread_t *newthread,
- const pthread_attr_t *attr,
- void *(*start_routine) (void *), void *arg);
-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_2_1 (pthread_attr_t *attr);
-extern int __pthread_attr_init_2_0 (pthread_attr_t *attr);
-
-
-/* Event handlers for libthread_db interface. */
-extern void __nptl_create_event (void);
-extern void __nptl_death_event (void);
-hidden_proto (__nptl_create_event)
-hidden_proto (__nptl_death_event)
-
-/* Register the generation counter in the libpthread with the libc. */
-#ifdef TLS_MULTIPLE_THREADS_IN_TCB
-extern void __libc_pthread_init (unsigned long int *ptr,
- void (*reclaim) (void),
- const struct pthread_functions *functions)
- internal_function;
-#else
-extern int *__libc_pthread_init (unsigned long int *ptr,
- void (*reclaim) (void),
- const struct pthread_functions *functions)
- internal_function;
-
-/* Variable set to a nonzero value if more than one thread runs or ran. */
-extern int __pthread_multiple_threads attribute_hidden;
-/* Pointer to the corresponding variable in libc. */
-extern int *__libc_multiple_threads_ptr attribute_hidden;
-#endif
-
-/* Find a thread given its TID. */
-extern struct pthread *__find_thread_by_id (pid_t tid) attribute_hidden
-#ifdef SHARED
-;
-#else
-weak_function;
-#define __find_thread_by_id(tid) \
- (__find_thread_by_id ? (__find_thread_by_id) (tid) : (struct pthread *) NULL)
-#endif
-
-extern void __pthread_init_static_tls (struct link_map *) attribute_hidden;
-
-
-/* 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_setcancelstate (int state, int *oldstate);
-extern int __pthread_mutex_init (pthread_mutex_t *__mutex,
- __const pthread_mutexattr_t *__mutexattr);
-extern int __pthread_mutex_init_internal (pthread_mutex_t *__mutex,
- __const pthread_mutexattr_t *__mutexattr)
- attribute_hidden;
-extern int __pthread_mutex_destroy (pthread_mutex_t *__mutex);
-extern int __pthread_mutex_destroy_internal (pthread_mutex_t *__mutex)
- attribute_hidden;
-extern int __pthread_mutex_trylock (pthread_mutex_t *_mutex);
-extern int __pthread_mutex_lock (pthread_mutex_t *__mutex);
-extern int __pthread_mutex_lock_internal (pthread_mutex_t *__mutex)
- attribute_hidden;
-extern int __pthread_mutex_cond_lock (pthread_mutex_t *__mutex)
- attribute_hidden internal_function;
-extern int __pthread_mutex_unlock (pthread_mutex_t *__mutex);
-extern int __pthread_mutex_unlock_internal (pthread_mutex_t *__mutex)
- attribute_hidden;
-extern int __pthread_mutex_unlock_usercnt (pthread_mutex_t *__mutex,
- int __decr)
- attribute_hidden internal_function;
-extern int __pthread_mutexattr_init (pthread_mutexattr_t *attr);
-extern int __pthread_mutexattr_destroy (pthread_mutexattr_t *attr);
-extern int __pthread_mutexattr_settype (pthread_mutexattr_t *attr, int kind);
-extern int __pthread_attr_destroy (pthread_attr_t *attr);
-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);
-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);
-extern int __pthread_rwlock_rdlock_internal (pthread_rwlock_t *__rwlock);
-extern int __pthread_rwlock_tryrdlock (pthread_rwlock_t *__rwlock);
-extern int __pthread_rwlock_wrlock (pthread_rwlock_t *__rwlock);
-extern int __pthread_rwlock_wrlock_internal (pthread_rwlock_t *__rwlock);
-extern int __pthread_rwlock_trywrlock (pthread_rwlock_t *__rwlock);
-extern int __pthread_rwlock_unlock (pthread_rwlock_t *__rwlock);
-extern int __pthread_rwlock_unlock_internal (pthread_rwlock_t *__rwlock);
-extern int __pthread_cond_broadcast (pthread_cond_t *cond);
-extern int __pthread_cond_destroy (pthread_cond_t *cond);
-extern int __pthread_cond_init (pthread_cond_t *cond,
- const pthread_condattr_t *cond_attr);
-extern int __pthread_cond_signal (pthread_cond_t *cond);
-extern int __pthread_cond_wait (pthread_cond_t *cond, pthread_mutex_t *mutex);
-extern int __pthread_cond_timedwait (pthread_cond_t *cond,
- pthread_mutex_t *mutex,
- const struct timespec *abstime);
-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 *));
-extern int __pthread_key_create_internal (pthread_key_t *key,
- void (*destr) (void *));
-extern void *__pthread_getspecific (pthread_key_t key);
-extern void *__pthread_getspecific_internal (pthread_key_t key);
-extern int __pthread_setspecific (pthread_key_t key, const void *value);
-extern int __pthread_setspecific_internal (pthread_key_t key,
- const void *value);
-extern int __pthread_once (pthread_once_t *once_control,
- void (*init_routine) (void));
-extern int __pthread_once_internal (pthread_once_t *once_control,
- void (*init_routine) (void));
-extern int __pthread_atfork (void (*prepare) (void), void (*parent) (void),
- void (*child) (void));
-extern pthread_t __pthread_self (void);
-extern int __pthread_equal (pthread_t thread1, pthread_t thread2);
-extern int __pthread_kill (pthread_t threadid, int signo);
-extern void __pthread_exit (void *value);
-extern int __pthread_setcanceltype (int type, int *oldtype);
-extern int __pthread_enable_asynccancel (void) attribute_hidden;
-extern void __pthread_disable_asynccancel (int oldtype)
- internal_function attribute_hidden;
-
-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);
-
-/* The two functions are in libc.so and not exported. */
-extern int __libc_enable_asynccancel (void) attribute_hidden;
-extern void __libc_disable_asynccancel (int oldtype)
- internal_function attribute_hidden;
-
-
-/* The two functions are in librt.so and not exported. */
-extern int __librt_enable_asynccancel (void) attribute_hidden;
-extern void __librt_disable_asynccancel (int oldtype)
- internal_function attribute_hidden;
-
-#ifdef IS_IN_libpthread
-/* Special versions which use non-exported functions. */
-extern void __pthread_cleanup_push (struct _pthread_cleanup_buffer *buffer,
- void (*routine) (void *), void *arg)
- attribute_hidden;
-# 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) attribute_hidden;
-# undef pthread_cleanup_pop
-# define pthread_cleanup_pop(execute) \
- __pthread_cleanup_pop (&_buffer, (execute)); }
-#endif
-
-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) attribute_hidden;
-
-extern int __nptl_setxid (struct xid_command *cmdp) attribute_hidden;
-
-#ifdef SHARED
-# define PTHREAD_STATIC_FN_REQUIRE(name)
-#else
-# define PTHREAD_STATIC_FN_REQUIRE(name) __asm (".globl " #name);
-#endif
-
-#endif /* pthreadP.h */