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+/* Copyright (C) 2002 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 <stdint.h>
+#include <sys/syscall.h>
+#include "descr.h"
+#include <tls.h>
+#include <lowlevellock.h>
+#include <stackinfo.h>
+#include <internaltypes.h>
+
+
+/* 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 attribute_hidden;
+
+/* Thread descriptor handling. */
+extern list_t __stack_user attribute_hidden;
+
+/* 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]
+ attribute_hidden;
+
+/* The library can run in debugging mode where it performs a lot more
+ tests. */
+extern int __pthread_debug attribute_hidden;
+#define DEBUGGING_P __builtin_expect (__pthread_debug, 0)
+
+
+/* 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 (CURRENT_STACK_FRAME); \
+ } \
+ } while (0)
+
+/* Set cancellation mode to asynchronous. */
+#define CANCEL_ASYNC(oldtype) \
+ pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, &oldtype)
+/* Reset to previous cancellation mode. */
+#define CANCEL_RESET(oldtype) \
+ pthread_setcanceltype (oldtype, NULL)
+
+/* Function performing the cancellation. */
+extern void __do_cancel (char *currentframe)
+ __attribute ((visibility ("hidden"), noreturn, regparm (1)));
+extern void __cleanup_thread (struct pthread *self, char *currentframe)
+ __attribute ((visibility ("hidden"), regparm (2)));
+
+
+/* Test whether stackframe is still active. */
+#ifdef _STACK_GROWS_DOWN
+# define FRAME_LEFT(frame, other) ((char *) frame >= (char *) other)
+#elif _STACK_GROWS_UP
+# define FRAME_LEFT(frame, other) ((char *) frame <= (char *) other)
+#else
+# error "Define either _STACK_GROWS_DOWN or _STACK_GROWS_UP"
+#endif
+
+
+/* Internal prototypes. */
+
+/* Thread list handling. */
+extern struct pthread *__find_in_stack_list (struct pthread *pd)
+ attribute_hidden;
+
+/* Deallocate a thread's stack after optionally making sure the thread
+ descriptor is still valid. */
+extern void __free_tcb (struct pthread *pd) attribute_hidden;
+
+/* Free allocated stack. */
+extern void __deallocate_stack (struct pthread *pd) attribute_hidden;
+
+/* 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;
+
+/* longjmp handling. */
+extern void __pthread_cleanup_upto (__jmp_buf target, char *targetframe);
+
+
+/* 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) attribute_hidden;
+extern void __nptl_death_event (void) attribute_hidden;
+
+
+/* Namespace save aliases. */
+extern int __pthread_mutex_init (pthread_mutex_t *__mutex,
+ __const pthread_mutexattr_t *__mutexattr);
+extern int __pthread_mutex_destroy (pthread_mutex_t *__mutex);
+extern int __pthread_mutex_trylock (pthread_mutex_t *_mutex);
+extern int __pthread_mutex_lock (pthread_mutex_t *__mutex);
+extern int __pthread_mutex_unlock (pthread_mutex_t *__mutex);
+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_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_tryrdlock (pthread_rwlock_t *__rwlock);
+extern int __pthread_rwlock_wrlock (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_key_create (pthread_key_t *key, void (*destr) (void *));
+extern void *__pthread_getspecific (pthread_key_t key);
+extern int __pthread_setspecific (pthread_key_t key, const void *value);
+extern int __pthread_once (pthread_once_t *once_control,
+ void (*init_routine) (void));
+extern int __pthread_atfork (void (*prepare) (void), void (*parent) (void),
+ void (*child) (void));
+
+#endif /* pthreadP.h */