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-rw-r--r--linuxthreads/internals.h550
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diff --git a/linuxthreads/internals.h b/linuxthreads/internals.h
deleted file mode 100644
index 605021766c..0000000000
--- a/linuxthreads/internals.h
+++ /dev/null
@@ -1,550 +0,0 @@
-/* Linuxthreads - a simple clone()-based implementation of Posix */
-/* threads for Linux. */
-/* Copyright (C) 1996 Xavier Leroy (Xavier.Leroy@inria.fr) */
-/* */
-/* This program is free software; you can redistribute it and/or */
-/* modify it under the terms of the GNU Library General Public License */
-/* as published by the Free Software Foundation; either version 2 */
-/* of the License, or (at your option) any later version. */
-/* */
-/* This program 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 Library General Public License for more details. */
-
-#ifndef _INTERNALS_H
-#define _INTERNALS_H 1
-
-/* Internal data structures */
-
-/* Includes */
-
-#include <limits.h>
-#include <signal.h>
-#include <stdbool.h>
-#include <unistd.h>
-#include <stackinfo.h>
-#include <sigcontextinfo.h>
-
-#include <tls.h>
-#include "descr.h"
-
-#include "semaphore.h"
-#include <pthread-functions.h>
-
-#ifndef THREAD_GETMEM
-# define THREAD_GETMEM(descr, member) descr->member
-#endif
-#ifndef THREAD_GETMEM_NC
-# define THREAD_GETMEM_NC(descr, member) descr->member
-#endif
-#ifndef THREAD_SETMEM
-# define THREAD_SETMEM(descr, member, value) descr->member = (value)
-#endif
-#ifndef THREAD_SETMEM_NC
-# define THREAD_SETMEM_NC(descr, member, value) descr->member = (value)
-#endif
-
-#if !defined NOT_IN_libc && defined FLOATING_STACKS
-# define LIBC_THREAD_GETMEM(descr, member) THREAD_GETMEM (descr, member)
-# define LIBC_THREAD_SETMEM(descr, member, value) \
- THREAD_SETMEM (descr, member, value)
-#else
-# define LIBC_THREAD_GETMEM(descr, member) descr->member
-# define LIBC_THREAD_SETMEM(descr, member, value) descr->member = (value)
-#endif
-
-typedef void (*destr_function)(void *);
-
-struct pthread_key_struct {
- int in_use; /* already allocated? */
- destr_function destr; /* destruction routine */
-};
-
-
-#define PTHREAD_START_ARGS_INITIALIZER(fct) \
- { (void *(*) (void *)) fct, NULL, {{0, }}, 0, { 0 } }
-
-
-/* The type of thread handles. */
-
-typedef struct pthread_handle_struct * pthread_handle;
-
-struct pthread_handle_struct {
- struct _pthread_fastlock h_lock; /* Fast lock for sychronized access */
- pthread_descr h_descr; /* Thread descriptor or NULL if invalid */
- char * h_bottom; /* Lowest address in the stack thread */
-};
-
-/* The type of messages sent to the thread manager thread */
-
-struct pthread_request {
- pthread_descr req_thread; /* Thread doing the request */
- enum { /* Request kind */
- REQ_CREATE, REQ_FREE, REQ_PROCESS_EXIT, REQ_MAIN_THREAD_EXIT,
- REQ_POST, REQ_DEBUG, REQ_KICK, REQ_FOR_EACH_THREAD
- } req_kind;
- union { /* Arguments for request */
- struct { /* For REQ_CREATE: */
- const pthread_attr_t * attr; /* thread attributes */
- void * (*fn)(void *); /* start function */
- void * arg; /* argument to start function */
- sigset_t mask; /* signal mask */
- } create;
- struct { /* For REQ_FREE: */
- pthread_t thread_id; /* identifier of thread to free */
- } free;
- struct { /* For REQ_PROCESS_EXIT: */
- int code; /* exit status */
- } exit;
- void * post; /* For REQ_POST: the semaphore */
- struct { /* For REQ_FOR_EACH_THREAD: callback */
- void (*fn)(void *, pthread_descr);
- void *arg;
- } for_each;
- } req_args;
-};
-
-
-
-typedef void (*arch_sighandler_t) (int, SIGCONTEXT);
-union sighandler
-{
- arch_sighandler_t old;
- void (*rt) (int, struct siginfo *, struct ucontext *);
-};
-extern union sighandler __sighandler[NSIG];
-
-
-/* Signals used for suspend/restart and for cancellation notification. */
-
-extern int __pthread_sig_restart;
-extern int __pthread_sig_cancel;
-
-/* Signal used for interfacing with gdb */
-
-extern int __pthread_sig_debug;
-
-/* Global array of thread handles, used for validating a thread id
- and retrieving the corresponding thread descriptor. Also used for
- mapping the available stack segments. */
-
-extern struct pthread_handle_struct __pthread_handles[PTHREAD_THREADS_MAX];
-
-/* Descriptor of the main thread */
-
-extern pthread_descr __pthread_main_thread;
-
-/* File descriptor for sending requests to the thread manager.
- Initially -1, meaning that __pthread_initialize_manager must be called. */
-
-extern int __pthread_manager_request;
-
-/* Other end of the pipe for sending requests to the thread manager. */
-
-extern int __pthread_manager_reader;
-
-#ifdef FLOATING_STACKS
-/* Maximum stack size. */
-extern size_t __pthread_max_stacksize;
-#endif
-
-/* Pending request for a process-wide exit */
-
-extern int __pthread_exit_requested, __pthread_exit_code;
-
-/* Set to 1 by gdb if we're debugging */
-
-extern volatile int __pthread_threads_debug;
-
-/* Globally enabled events. */
-extern volatile td_thr_events_t __pthread_threads_events;
-
-/* Pointer to descriptor of thread with last event. */
-extern volatile pthread_descr __pthread_last_event;
-
-/* Flag which tells whether we are executing on SMP kernel. */
-extern int __pthread_smp_kernel;
-
-/* Return the handle corresponding to a thread id */
-
-static inline pthread_handle thread_handle(pthread_t id)
-{
- return &__pthread_handles[id % PTHREAD_THREADS_MAX];
-}
-
-/* Validate a thread handle. Must have acquired h->h_spinlock before. */
-
-static inline int invalid_handle(pthread_handle h, pthread_t id)
-{
- return h->h_descr == NULL || h->h_descr->p_tid != id || h->h_descr->p_terminated;
-}
-
-static inline int nonexisting_handle(pthread_handle h, pthread_t id)
-{
- return h->h_descr == NULL || h->h_descr->p_tid != id;
-}
-
-/* Fill in defaults left unspecified by pt-machine.h. */
-
-/* We round up a value with page size. */
-#ifndef page_roundup
-#define page_roundup(v,p) ((((size_t) (v)) + (p) - 1) & ~((p) - 1))
-#endif
-
-/* The page size we can get from the system. This should likely not be
- changed by the machine file but, you never know. */
-#ifndef PAGE_SIZE
-#define PAGE_SIZE (sysconf (_SC_PAGE_SIZE))
-#endif
-
-/* The initial size of the thread stack. Must be a multiple of PAGE_SIZE. */
-#ifndef INITIAL_STACK_SIZE
-#define INITIAL_STACK_SIZE (4 * PAGE_SIZE)
-#endif
-
-/* Size of the thread manager stack. The "- 32" avoids wasting space
- with some malloc() implementations. */
-#ifndef THREAD_MANAGER_STACK_SIZE
-#define THREAD_MANAGER_STACK_SIZE (2 * PAGE_SIZE - 32)
-#endif
-
-/* The base of the "array" of thread stacks. The array will grow down from
- here. Defaults to the calculated bottom of the initial application
- stack. */
-#ifndef THREAD_STACK_START_ADDRESS
-#define THREAD_STACK_START_ADDRESS __pthread_initial_thread_bos
-#endif
-
-/* If MEMORY_BARRIER isn't defined in pt-machine.h, assume the
- architecture doesn't need a memory barrier instruction (e.g. Intel
- x86). Still we need the compiler to respect the barrier and emit
- all outstanding operations which modify memory. Some architectures
- distinguish between full, read and write barriers. */
-
-#ifndef MEMORY_BARRIER
-#define MEMORY_BARRIER() asm ("" : : : "memory")
-#endif
-#ifndef READ_MEMORY_BARRIER
-#define READ_MEMORY_BARRIER() MEMORY_BARRIER()
-#endif
-#ifndef WRITE_MEMORY_BARRIER
-#define WRITE_MEMORY_BARRIER() MEMORY_BARRIER()
-#endif
-
-/* Max number of times we must spin on a spinlock calling sched_yield().
- After MAX_SPIN_COUNT iterations, we put the calling thread to sleep. */
-
-#ifndef MAX_SPIN_COUNT
-#define MAX_SPIN_COUNT 50
-#endif
-
-/* Max number of times the spinlock in the adaptive mutex implementation
- spins actively on SMP systems. */
-
-#ifndef MAX_ADAPTIVE_SPIN_COUNT
-#define MAX_ADAPTIVE_SPIN_COUNT 100
-#endif
-
-/* Duration of sleep (in nanoseconds) when we can't acquire a spinlock
- after MAX_SPIN_COUNT iterations of sched_yield().
- With the 2.0 and 2.1 kernels, this MUST BE > 2ms.
- (Otherwise the kernel does busy-waiting for realtime threads,
- giving other threads no chance to run.) */
-
-#ifndef SPIN_SLEEP_DURATION
-#define SPIN_SLEEP_DURATION 2000001
-#endif
-
-/* Defined and used in libc.so. */
-extern int __libc_multiple_threads attribute_hidden;
-extern int __librt_multiple_threads;
-
-/* Debugging */
-
-#ifdef DEBUG
-#include <assert.h>
-#define ASSERT assert
-#define MSG __pthread_message
-#else
-#define ASSERT(x)
-#define MSG(msg,arg...)
-#endif
-
-/* Internal global functions */
-
-extern void __pthread_do_exit (void *retval, char *currentframe)
- __attribute__ ((__noreturn__));
-extern void __pthread_destroy_specifics (void);
-extern void __pthread_perform_cleanup (char *currentframe);
-extern void __pthread_init_max_stacksize (void);
-extern int __pthread_initialize_manager (void);
-extern void __pthread_message (const char * fmt, ...);
-extern int __pthread_manager (void *reqfd);
-extern int __pthread_manager_event (void *reqfd);
-extern void __pthread_manager_sighandler (int sig);
-extern void __pthread_reset_main_thread (void);
-extern void __pthread_once_fork_prepare (void);
-extern void __pthread_once_fork_parent (void);
-extern void __pthread_once_fork_child (void);
-extern void __flockfilelist (void);
-extern void __funlockfilelist (void);
-extern void __fresetlockfiles (void);
-extern void __pthread_manager_adjust_prio (int thread_prio);
-extern void __pthread_initialize_minimal (void);
-
-extern int __pthread_attr_setguardsize (pthread_attr_t *__attr,
- size_t __guardsize);
-extern int __pthread_attr_getguardsize (const pthread_attr_t *__attr,
- size_t *__guardsize);
-extern int __pthread_attr_setstackaddr (pthread_attr_t *__attr,
- void *__stackaddr);
-extern int __pthread_attr_getstackaddr (const pthread_attr_t *__attr,
- void **__stackaddr);
-extern int __pthread_attr_setstacksize (pthread_attr_t *__attr,
- size_t __stacksize);
-extern int __pthread_attr_getstacksize (const pthread_attr_t *__attr,
- size_t *__stacksize);
-extern int __pthread_attr_setstack (pthread_attr_t *__attr, void *__stackaddr,
- size_t __stacksize);
-extern int __pthread_attr_getstack (const pthread_attr_t *__attr, void **__stackaddr,
- size_t *__stacksize);
-extern int __pthread_attr_destroy (pthread_attr_t *attr);
-extern int __pthread_attr_setdetachstate (pthread_attr_t *attr,
- int detachstate);
-extern int __pthread_attr_getdetachstate (const pthread_attr_t *attr,
- int *detachstate);
-extern int __pthread_attr_setschedparam (pthread_attr_t *attr,
- const struct sched_param *param);
-extern int __pthread_attr_getschedparam (const pthread_attr_t *attr,
- struct sched_param *param);
-extern int __pthread_attr_setschedpolicy (pthread_attr_t *attr, int policy);
-extern int __pthread_attr_getschedpolicy (const pthread_attr_t *attr,
- int *policy);
-extern int __pthread_attr_setinheritsched (pthread_attr_t *attr, int inherit);
-extern int __pthread_attr_getinheritsched (const pthread_attr_t *attr,
- int *inherit);
-extern int __pthread_attr_setscope (pthread_attr_t *attr, int scope);
-extern int __pthread_attr_getscope (const pthread_attr_t *attr, int *scope);
-
-extern int __pthread_getconcurrency (void);
-extern int __pthread_setconcurrency (int __level);
-extern int __pthread_mutex_timedlock (pthread_mutex_t *__mutex,
- const struct timespec *__abstime);
-extern int __pthread_mutexattr_getpshared (const pthread_mutexattr_t *__attr,
- int *__pshared);
-extern int __pthread_mutexattr_setpshared (pthread_mutexattr_t *__attr,
- int __pshared);
-extern int __pthread_mutexattr_gettype (const pthread_mutexattr_t *__attr,
- int *__kind);
-extern void __pthread_kill_other_threads_np (void);
-extern int __pthread_mutex_init (pthread_mutex_t *__mutex,
- __const pthread_mutexattr_t *__mutex_attr);
-extern int __pthread_mutex_destroy (pthread_mutex_t *__mutex);
-extern int __pthread_mutex_lock (pthread_mutex_t *__mutex);
-extern int __pthread_mutex_trylock (pthread_mutex_t *__mutex);
-extern int __pthread_mutex_unlock (pthread_mutex_t *__mutex);
-#if defined NOT_IN_libc && defined IS_IN_libpthread
-hidden_proto (__pthread_mutex_init)
-hidden_proto (__pthread_mutex_destroy)
-hidden_proto (__pthread_mutex_lock)
-hidden_proto (__pthread_mutex_trylock)
-hidden_proto (__pthread_mutex_unlock)
-#endif
-extern int __pthread_cond_init (pthread_cond_t *cond,
- const pthread_condattr_t *cond_attr);
-extern int __pthread_cond_destroy (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_cond_signal (pthread_cond_t *cond);
-extern int __pthread_cond_broadcast (pthread_cond_t *cond);
-extern int __pthread_condattr_init (pthread_condattr_t *attr);
-extern int __pthread_condattr_destroy (pthread_condattr_t *attr);
-extern pthread_t __pthread_self (void);
-extern pthread_descr __pthread_thread_self (void);
-extern pthread_descr __pthread_self_stack (void) attribute_hidden;
-extern int __pthread_equal (pthread_t thread1, pthread_t thread2);
-extern void __pthread_exit (void *retval);
-extern int __pthread_getschedparam (pthread_t thread, int *policy,
- struct sched_param *param);
-extern int __pthread_setschedparam (pthread_t thread, int policy,
- const struct sched_param *param);
-extern int __pthread_setcancelstate (int state, int * oldstate);
-extern int __pthread_setcanceltype (int type, int * oldtype);
-
-extern void __pthread_restart_old(pthread_descr th);
-extern void __pthread_suspend_old(pthread_descr self);
-extern int __pthread_timedsuspend_old(pthread_descr self, const struct timespec *abs);
-
-extern void __pthread_restart_new(pthread_descr th);
-extern void __pthread_suspend_new(pthread_descr self);
-extern int __pthread_timedsuspend_new(pthread_descr self, const struct timespec *abs);
-
-extern void __pthread_wait_for_restart_signal(pthread_descr self);
-
-extern void __pthread_sigsuspend (const sigset_t *mask) attribute_hidden;
-
-extern int __pthread_yield (void);
-
-extern int __pthread_rwlock_timedrdlock (pthread_rwlock_t *__restrict __rwlock,
- __const struct timespec *__restrict
- __abstime);
-extern int __pthread_rwlock_timedwrlock (pthread_rwlock_t *__restrict __rwlock,
- __const struct timespec *__restrict
- __abstime);
-extern int __pthread_rwlockattr_destroy (pthread_rwlockattr_t *__attr);
-
-extern int __pthread_barrierattr_getpshared (__const pthread_barrierattr_t *
- __restrict __attr,
- int *__restrict __pshared);
-
-extern int __pthread_spin_lock (pthread_spinlock_t *__lock);
-extern int __pthread_spin_trylock (pthread_spinlock_t *__lock);
-extern int __pthread_spin_unlock (pthread_spinlock_t *__lock);
-extern int __pthread_spin_init (pthread_spinlock_t *__lock, int __pshared);
-extern int __pthread_spin_destroy (pthread_spinlock_t *__lock);
-
-/* Global pointers to old or new suspend functions */
-
-extern void (*__pthread_restart)(pthread_descr);
-extern void (*__pthread_suspend)(pthread_descr);
-extern int (*__pthread_timedsuspend)(pthread_descr, const struct timespec *);
-
-/* Prototypes for the function without cancelation support when the
- normal version has it. */
-extern int __libc_close (int fd);
-extern int __libc_nanosleep (const struct timespec *requested_time,
- struct timespec *remaining);
-/* Prototypes for some of the new semaphore functions. */
-extern int __new_sem_post (sem_t * sem);
-extern int __new_sem_init (sem_t *__sem, int __pshared, unsigned int __value);
-extern int __new_sem_wait (sem_t *__sem);
-extern int __new_sem_trywait (sem_t *__sem);
-extern int __new_sem_getvalue (sem_t *__restrict __sem, int *__restrict __sval);
-extern int __new_sem_destroy (sem_t *__sem);
-
-/* Prototypes for compatibility functions. */
-extern int __pthread_attr_init_2_1 (pthread_attr_t *__attr);
-extern int __pthread_attr_init_2_0 (pthread_attr_t *__attr);
-extern int __pthread_create_2_1 (pthread_t *__restrict __threadp,
- const pthread_attr_t *__attr,
- void *(*__start_routine) (void *),
- void *__restrict __arg);
-extern int __pthread_create_2_0 (pthread_t *__restrict thread,
- const pthread_attr_t *__attr,
- void *(*__start_routine) (void *),
- void *__restrict arg);
-
-/* The functions called the signal events. */
-extern void __linuxthreads_create_event (void);
-extern void __linuxthreads_death_event (void);
-extern void __linuxthreads_reap_event (void);
-
-/* This function is called to initialize the pthread library. */
-extern void __pthread_initialize (void);
-
-/* TSD. */
-extern int __pthread_internal_tsd_set (int key, const void * pointer);
-extern void * __pthread_internal_tsd_get (int key);
-extern void ** __attribute__ ((__const__))
- __pthread_internal_tsd_address (int key);
-
-/* Sighandler wrappers. */
-extern void __pthread_sighandler(int signo, SIGCONTEXT ctx);
-extern void __pthread_sighandler_rt(int signo, struct siginfo *si,
- struct ucontext *uc);
-extern void __pthread_null_sighandler(int sig);
-extern int __pthread_sigaction (int sig, const struct sigaction *act,
- struct sigaction *oact);
-extern int __pthread_sigwait (const sigset_t *set, int *sig);
-extern int __pthread_raise (int sig);
-
-/* Cancellation. */
-extern int __pthread_enable_asynccancel (void) attribute_hidden;
-extern void __pthread_disable_asynccancel (int oldtype)
- internal_function attribute_hidden;
-
-/* 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 libc.so and are exported. */
-extern int __librt_enable_asynccancel (void);
-extern void __librt_disable_asynccancel (int oldtype) internal_function;
-
-extern void __pthread_cleanup_upto (__jmp_buf target,
- char *targetframe) attribute_hidden;
-extern pid_t __pthread_fork (struct fork_block *b) attribute_hidden;
-
-#if !defined NOT_IN_libc
-# define LIBC_CANCEL_ASYNC() \
- __libc_enable_asynccancel ()
-# 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 IS_IN_libpthread
-# define LIBC_CANCEL_ASYNC() \
- __pthread_enable_asynccancel ()
-# define LIBC_CANCEL_RESET(oldtype) \
- __pthread_disable_asynccancel (oldtype)
-# define LIBC_CANCEL_HANDLED() \
- __asm (".globl " __SYMBOL_PREFIX "__pthread_enable_asynccancel"); \
- __asm (".globl " __SYMBOL_PREFIX "__pthread_disable_asynccancel")
-#elif defined IS_IN_librt
-# define LIBC_CANCEL_ASYNC() \
- __librt_enable_asynccancel ()
-# define LIBC_CANCEL_RESET(oldtype) \
- __librt_disable_asynccancel (oldtype)
-# 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
-
-extern int * __libc_pthread_init (const struct pthread_functions *functions);
-
-#if !defined NOT_IN_libc && !defined FLOATING_STACKS
-# ifdef SHARED
-# define thread_self() \
- (*__libc_pthread_functions.ptr_pthread_thread_self) ()
-# else
-weak_extern (__pthread_thread_self)
-# define thread_self() __pthread_thread_self ()
-# endif
-#endif
-
-#ifndef USE_TLS
-# define __manager_thread (&__pthread_manager_thread)
-#else
-# define __manager_thread __pthread_manager_threadp
-#endif
-
-extern inline __attribute__((always_inline)) pthread_descr
-check_thread_self (void)
-{
- pthread_descr self = thread_self ();
-#if defined THREAD_SELF && defined INIT_THREAD_SELF
- if (self == __manager_thread)
- {
- /* A new thread might get a cancel signal before it is fully
- initialized, so that the thread register might still point to the
- manager thread. Double check that this is really the manager
- thread. */
- self = __pthread_self_stack();
- if (self != __manager_thread)
- /* Oops, thread_self() isn't working yet.. */
- INIT_THREAD_SELF(self, self->p_nr);
- }
-#endif
- return self;
-}
-
-#endif /* internals.h */
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