mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-30 08:40:07 +00:00
68 lines
2.2 KiB
C
68 lines
2.2 KiB
C
/* Copyright (C) 2003-2016 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
|
|
|
|
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/>. */
|
|
|
|
#include <pthread.h>
|
|
#include <setjmp.h>
|
|
#include <signal.h>
|
|
#include <sys/types.h>
|
|
|
|
|
|
/* Nonzero if the system calls are not available. */
|
|
extern int __no_posix_timers attribute_hidden;
|
|
|
|
/* Callback to start helper thread. */
|
|
extern void __start_helper_thread (void) attribute_hidden;
|
|
|
|
/* Control variable for helper thread creation. */
|
|
extern pthread_once_t __helper_once attribute_hidden;
|
|
|
|
/* TID of the helper thread. */
|
|
extern pid_t __helper_tid attribute_hidden;
|
|
|
|
/* List of active SIGEV_THREAD timers. */
|
|
extern struct timer *__active_timer_sigev_thread attribute_hidden;
|
|
/* Lock for the __active_timer_sigev_thread. */
|
|
extern pthread_mutex_t __active_timer_sigev_thread_lock attribute_hidden;
|
|
|
|
|
|
/* Type of timers in the kernel. */
|
|
typedef int kernel_timer_t;
|
|
|
|
|
|
/* Internal representation of timer. */
|
|
struct timer
|
|
{
|
|
/* Notification mechanism. */
|
|
int sigev_notify;
|
|
|
|
/* Timer ID returned by the kernel. */
|
|
kernel_timer_t ktimerid;
|
|
|
|
/* All new elements must be added after ktimerid. And if the thrfunc
|
|
element is not the third element anymore the memory allocation in
|
|
timer_create needs to be changed. */
|
|
|
|
/* Parameters for the thread to be started for SIGEV_THREAD. */
|
|
void (*thrfunc) (sigval_t);
|
|
sigval_t sival;
|
|
pthread_attr_t attr;
|
|
|
|
/* Next element in list of active SIGEV_THREAD timers. */
|
|
struct timer *next;
|
|
};
|