568 lines
22 KiB
C
568 lines
22 KiB
C
/* 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 <unistd.h>
|
|
#include <stackinfo.h>
|
|
#include <sigcontextinfo.h>
|
|
|
|
#include <tls.h>
|
|
#include "descr.h"
|
|
|
|
#include "semaphore.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;
|
|
|
|
/* 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_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 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);
|
|
|
|
extern int __pthread_clock_gettime (hp_timing_t freq, struct timespec *tp);
|
|
extern void __pthread_clock_settime (hp_timing_t offset);
|
|
|
|
/* 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;
|
|
|
|
extern void __pthread_cleanup_upto (__jmp_buf target,
|
|
char *targetframe) attribute_hidden;
|
|
struct fork_block;
|
|
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 NOT_IN_libc && 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")
|
|
#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
|
|
|
|
/* Data type shared with libc. The libc uses it to pass on calls to
|
|
the thread functions. */
|
|
struct pthread_functions
|
|
{
|
|
pid_t (*ptr_pthread_fork) (struct fork_block *);
|
|
int (*ptr_pthread_attr_destroy) (pthread_attr_t *);
|
|
int (*ptr___pthread_attr_init_2_0) (pthread_attr_t *);
|
|
int (*ptr___pthread_attr_init_2_1) (pthread_attr_t *);
|
|
int (*ptr_pthread_attr_getdetachstate) (const pthread_attr_t *, int *);
|
|
int (*ptr_pthread_attr_setdetachstate) (pthread_attr_t *, int);
|
|
int (*ptr_pthread_attr_getinheritsched) (const pthread_attr_t *, int *);
|
|
int (*ptr_pthread_attr_setinheritsched) (pthread_attr_t *, int);
|
|
int (*ptr_pthread_attr_getschedparam) (const pthread_attr_t *,
|
|
struct sched_param *);
|
|
int (*ptr_pthread_attr_setschedparam) (pthread_attr_t *,
|
|
const struct sched_param *);
|
|
int (*ptr_pthread_attr_getschedpolicy) (const pthread_attr_t *, int *);
|
|
int (*ptr_pthread_attr_setschedpolicy) (pthread_attr_t *, int);
|
|
int (*ptr_pthread_attr_getscope) (const pthread_attr_t *, int *);
|
|
int (*ptr_pthread_attr_setscope) (pthread_attr_t *, int);
|
|
int (*ptr_pthread_condattr_destroy) (pthread_condattr_t *);
|
|
int (*ptr_pthread_condattr_init) (pthread_condattr_t *);
|
|
int (*ptr___pthread_cond_broadcast) (pthread_cond_t *);
|
|
int (*ptr___pthread_cond_destroy) (pthread_cond_t *);
|
|
int (*ptr___pthread_cond_init) (pthread_cond_t *,
|
|
const pthread_condattr_t *);
|
|
int (*ptr___pthread_cond_signal) (pthread_cond_t *);
|
|
int (*ptr___pthread_cond_wait) (pthread_cond_t *, pthread_mutex_t *);
|
|
int (*ptr_pthread_equal) (pthread_t, pthread_t);
|
|
void (*ptr___pthread_exit) (void *);
|
|
int (*ptr_pthread_getschedparam) (pthread_t, int *, struct sched_param *);
|
|
int (*ptr_pthread_setschedparam) (pthread_t, int,
|
|
const struct sched_param *);
|
|
int (*ptr_pthread_mutex_destroy) (pthread_mutex_t *);
|
|
int (*ptr_pthread_mutex_init) (pthread_mutex_t *,
|
|
const pthread_mutexattr_t *);
|
|
int (*ptr_pthread_mutex_lock) (pthread_mutex_t *);
|
|
int (*ptr_pthread_mutex_trylock) (pthread_mutex_t *);
|
|
int (*ptr_pthread_mutex_unlock) (pthread_mutex_t *);
|
|
pthread_t (*ptr_pthread_self) (void);
|
|
int (*ptr_pthread_setcancelstate) (int, int *);
|
|
int (*ptr_pthread_setcanceltype) (int, int *);
|
|
void (*ptr_pthread_do_exit) (void *retval, char *currentframe);
|
|
void (*ptr_pthread_cleanup_upto) (__jmp_buf target,
|
|
char *targetframe);
|
|
pthread_descr (*ptr_pthread_thread_self) (void);
|
|
int (*ptr_pthread_internal_tsd_set) (int key, const void *pointer);
|
|
void * (*ptr_pthread_internal_tsd_get) (int key);
|
|
void ** __attribute__ ((__const__))
|
|
(*ptr_pthread_internal_tsd_address) (int key);
|
|
int (*ptr_pthread_sigaction) (int sig, const struct sigaction * act,
|
|
struct sigaction *oact);
|
|
int (*ptr_pthread_sigwait) (const sigset_t *set, int *sig);
|
|
int (*ptr_pthread_raise) (int sig);
|
|
};
|
|
|
|
/* Variable in libc.so. */
|
|
extern struct pthread_functions __libc_pthread_functions attribute_hidden;
|
|
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
|
|
|
|
#endif /* internals.h */
|