mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-16 10:00:12 +00:00
69 lines
2.2 KiB
C
69 lines
2.2 KiB
C
/* Copyright (C) 2004-2017 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
|
|
|
|
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; see the file COPYING.LIB. If
|
|
not, see <http://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef _AIO_MISC_H
|
|
# include_next <aio_misc.h>
|
|
# include <limits.h>
|
|
# include <pthread.h>
|
|
# include <signal.h>
|
|
# include <sysdep.h>
|
|
|
|
# define aio_start_notify_thread __aio_start_notify_thread
|
|
# define aio_create_helper_thread __aio_create_helper_thread
|
|
|
|
extern inline void
|
|
__aio_start_notify_thread (void)
|
|
{
|
|
sigset_t ss;
|
|
sigemptyset (&ss);
|
|
INTERNAL_SYSCALL_DECL (err);
|
|
INTERNAL_SYSCALL (rt_sigprocmask, err, 4, SIG_SETMASK, &ss, NULL, _NSIG / 8);
|
|
}
|
|
|
|
extern inline int
|
|
__aio_create_helper_thread (pthread_t *threadp, void *(*tf) (void *),
|
|
void *arg)
|
|
{
|
|
pthread_attr_t attr;
|
|
|
|
/* Make sure the thread is created detached. */
|
|
pthread_attr_init (&attr);
|
|
pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
|
|
|
|
/* The helper thread needs only very little resources. */
|
|
(void) pthread_attr_setstacksize (&attr, __pthread_get_minstack (&attr));
|
|
|
|
/* Block all signals in the helper thread. To do this thoroughly we
|
|
temporarily have to block all signals here. */
|
|
sigset_t ss;
|
|
sigset_t oss;
|
|
sigfillset (&ss);
|
|
INTERNAL_SYSCALL_DECL (err);
|
|
INTERNAL_SYSCALL (rt_sigprocmask, err, 4, SIG_SETMASK, &ss, &oss, _NSIG / 8);
|
|
|
|
int ret = pthread_create (threadp, &attr, tf, arg);
|
|
|
|
/* Restore the signal mask. */
|
|
INTERNAL_SYSCALL (rt_sigprocmask, err, 4, SIG_SETMASK, &oss, NULL,
|
|
_NSIG / 8);
|
|
|
|
(void) pthread_attr_destroy (&attr);
|
|
return ret;
|
|
}
|
|
#endif
|