mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-09 23:00:07 +00:00
121 lines
5.1 KiB
C
121 lines
5.1 KiB
C
/* Support functionality for using threads.
|
|
Copyright (C) 2016-2024 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
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
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef SUPPORT_THREAD_H
|
|
#define SUPPORT_THREAD_H
|
|
|
|
#include <pthread.h>
|
|
#include <sys/cdefs.h>
|
|
#include <stdbool.h>
|
|
|
|
__BEGIN_DECLS
|
|
|
|
/* Terminate the process (with exit (0)) after SECONDS have elapsed,
|
|
from a helper thread. The process is terminated with the exit
|
|
function, so atexit handlers are executed. */
|
|
void delayed_exit (int seconds);
|
|
|
|
/* Like delayed_exit, but use _exit (0). */
|
|
void delayed__exit (int seconds);
|
|
|
|
/* Returns true if Priority Inheritance support CLOCK_MONOTONIC. */
|
|
bool support_mutex_pi_monotonic (void);
|
|
|
|
/* Terminate the process (with exit status 1) if VALUE is not zero.
|
|
In that case, print a failure message to standard output mentioning
|
|
FUNCTION. The process is terminated with the exit function, so
|
|
atexit handlers are executed. */
|
|
void xpthread_check_return (const char *function, int value);
|
|
|
|
/* The following functions call the corresponding libpthread functions
|
|
and terminate the process on error. */
|
|
|
|
void xpthread_barrier_init (pthread_barrier_t *barrier,
|
|
pthread_barrierattr_t *attr, unsigned int count);
|
|
void xpthread_barrier_destroy (pthread_barrier_t *barrier);
|
|
void xpthread_barrierattr_destroy (pthread_barrierattr_t *);
|
|
void xpthread_barrierattr_init (pthread_barrierattr_t *);
|
|
void xpthread_barrierattr_setpshared (pthread_barrierattr_t *, int pshared);
|
|
void xpthread_mutexattr_destroy (pthread_mutexattr_t *);
|
|
void xpthread_mutexattr_init (pthread_mutexattr_t *);
|
|
void xpthread_mutexattr_setprotocol (pthread_mutexattr_t *, int);
|
|
void xpthread_mutexattr_setpshared (pthread_mutexattr_t *, int);
|
|
void xpthread_mutexattr_setrobust (pthread_mutexattr_t *, int);
|
|
void xpthread_mutexattr_settype (pthread_mutexattr_t *, int);
|
|
void xpthread_mutex_init (pthread_mutex_t *, const pthread_mutexattr_t *);
|
|
void xpthread_mutex_destroy (pthread_mutex_t *);
|
|
void xpthread_mutex_lock (pthread_mutex_t *mutex);
|
|
void xpthread_mutex_unlock (pthread_mutex_t *mutex);
|
|
void xpthread_mutex_consistent (pthread_mutex_t *);
|
|
void xpthread_spin_lock (pthread_spinlock_t *lock);
|
|
void xpthread_spin_unlock (pthread_spinlock_t *lock);
|
|
void xpthread_cond_wait (pthread_cond_t * cond, pthread_mutex_t * mutex);
|
|
void xpthread_cond_signal (pthread_cond_t *cond);
|
|
pthread_t xpthread_create (pthread_attr_t *attr,
|
|
void *(*thread_func) (void *), void *closure);
|
|
void xpthread_detach (pthread_t thr);
|
|
void xpthread_cancel (pthread_t thr);
|
|
void *xpthread_join (pthread_t thr);
|
|
void xpthread_once (pthread_once_t *guard, void (*func) (void));
|
|
void xpthread_attr_destroy (pthread_attr_t *attr);
|
|
void xpthread_attr_init (pthread_attr_t *attr);
|
|
#ifdef __linux__
|
|
void xpthread_attr_setaffinity_np (pthread_attr_t *attr,
|
|
size_t cpusetsize,
|
|
const cpu_set_t *cpuset);
|
|
#endif
|
|
void xpthread_attr_setdetachstate (pthread_attr_t *attr,
|
|
int detachstate);
|
|
void xpthread_attr_setstack (pthread_attr_t *attr, void *stackaddr,
|
|
size_t stacksize);
|
|
void xpthread_attr_setstacksize (pthread_attr_t *attr,
|
|
size_t stacksize);
|
|
void xpthread_attr_setguardsize (pthread_attr_t *attr,
|
|
size_t guardsize);
|
|
|
|
void xpthread_kill (pthread_t thr, int signo);
|
|
|
|
/* Return the stack size used on support_set_small_thread_stack_size. */
|
|
size_t support_small_thread_stack_size (void);
|
|
/* Set the stack size in ATTR to a small value, but still large enough
|
|
to cover most internal glibc stack usage. */
|
|
void support_set_small_thread_stack_size (pthread_attr_t *attr);
|
|
|
|
/* Return a pointer to a thread attribute which requests a small
|
|
stack. The caller must not free this pointer. */
|
|
pthread_attr_t *support_small_stack_thread_attribute (void);
|
|
|
|
/* This function returns non-zero if pthread_barrier_wait returned
|
|
PTHREAD_BARRIER_SERIAL_THREAD. */
|
|
int xpthread_barrier_wait (pthread_barrier_t *barrier);
|
|
|
|
void xpthread_rwlock_init (pthread_rwlock_t *rwlock,
|
|
const pthread_rwlockattr_t *attr);
|
|
void xpthread_rwlockattr_init (pthread_rwlockattr_t *attr);
|
|
void xpthread_rwlockattr_setkind_np (pthread_rwlockattr_t *attr, int pref);
|
|
void xpthread_rwlock_wrlock (pthread_rwlock_t *rwlock);
|
|
void xpthread_rwlock_rdlock (pthread_rwlock_t *rwlock);
|
|
void xpthread_rwlock_unlock (pthread_rwlock_t *rwlock);
|
|
void xpthread_rwlock_destroy (pthread_rwlock_t *rwlock);
|
|
pthread_key_t xpthread_key_create (void (*destr_function) (void *));
|
|
void xpthread_key_delete (pthread_key_t key);
|
|
|
|
__END_DECLS
|
|
|
|
#endif /* SUPPORT_THREAD_H */
|