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- /* Copyright (C) 2002-2007, 2009 Free Software Foundation, Inc.
- 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
- <http://www.gnu.org/licenses/>. */
- #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 <bits/stackinfo.h>
- #include <internaltypes.h>
- #include <atomic.h>
- #include <bits/kernel-features.h>
- #include <errno.h>
- #include <internal-signals.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
- /* 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_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
- };
- #define PTHREAD_MUTEX_PSHARED_BIT 128
- #define PTHREAD_MUTEX_TYPE(m) \
- ((m)->__data.__kind & 127)
- #if LLL_PRIVATE == 0 && LLL_SHARED == 128
- # define PTHREAD_MUTEX_PSHARED(m) \
- ((m)->__data.__kind & 128)
- #else
- # define PTHREAD_MUTEX_PSHARED(m) \
- (((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)
- /* Check whether rwlock prefers readers. */
- #define PTHREAD_RWLOCK_PREFER_READER_P(rwlock) \
- ((rwlock)->__data.__flags == 0)
- /* Bits used in robust mutex implementation. */
- #define FUTEX_WAITERS 0x80000000
- #define FUTEX_OWNER_DIED 0x40000000
- #define FUTEX_TID_MASK 0x3fffffff
- /* 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 int __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
- #ifdef SHARED
- attribute_hidden
- #else
- __attribute ((weak))
- #endif
- ;
- #ifndef __ASSUME_SET_ROBUST_LIST
- /* Negative if we do not have the system call and we can use it. */
- extern int __set_robust_list_avail attribute_hidden;
- #endif
- /* Thread Priority Protection. */
- extern int __sched_fifo_min_prio attribute_hidden;
- extern int __sched_fifo_max_prio attribute_hidden;
- extern void __init_sched_fifo_prio (void) attribute_hidden;
- extern int __pthread_tpp_change_priority (int prev_prio, int new_prio)
- attribute_hidden;
- extern int __pthread_current_priority (void) 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 { \
- 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);
- extern void __unwind_freeres (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)
- #define __LABEL_PREFIX__ __stringify(__USER_LABEL_PREFIX__)
- #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 " __LABEL_PREFIX__ "__libc_enable_asynccancel"); \
- __asm__ (".globl " __LABEL_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 " __LABEL_PREFIX__ "__pthread_enable_asynccancel"); \
- __asm__ (".globl " __LABEL_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 " __LABEL_PREFIX__ "__librt_enable_asynccancel"); \
- __asm__ (".globl " __LABEL_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
- /* 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
- extern int pthread_create (pthread_t *newthread,
- const pthread_attr_t *attr,
- void *(*start_routine) (void *), void *arg);
- extern int pthread_attr_init (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));
- #else
- extern int *__libc_pthread_init (unsigned long int *ptr,
- void (*reclaim) (void));
- /* 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;
- extern size_t __pthread_get_minstack (const pthread_attr_t *attr);
- /* 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 void __pthread_mutex_cond_lock_adjust (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)
- #ifdef SHARED
- attribute_hidden
- #else
- __attribute ((weak))
- #endif
- ;
- extern int __nptl_setxid (struct xid_command *cmdp) attribute_hidden;
- extern void __free_stacks (size_t limit) attribute_hidden;
- extern void __wait_lookup_done (void) attribute_hidden;
- #ifdef SHARED
- # define PTHREAD_STATIC_FN_REQUIRE(name)
- #else
- # define PTHREAD_STATIC_FN_REQUIRE(name) __asm__ (".globl " #name);
- #endif
- #ifndef __NR_set_robust_list
- /* XXX For the time being... Once we can rely on the kernel headers
- having the definition remove these lines. */
- # if defined __i386__
- # define __NR_set_robust_list 311
- # elif defined __x86_64__
- # define __NR_set_robust_list 273
- # endif
- #endif
- #endif /* pthreadP.h */
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