diff options
| -rw-r--r-- | librt/kernel-posix-timers.h | 72 |
1 files changed, 51 insertions, 21 deletions
diff --git a/librt/kernel-posix-timers.h b/librt/kernel-posix-timers.h index bf246c925..d8d2ba2c0 100644 --- a/librt/kernel-posix-timers.h +++ b/librt/kernel-posix-timers.h @@ -1,36 +1,66 @@ -/* - * kernel-posix-timers.h - kernel-dependent definitions for POSIX timers. - */ +/* Copyright (C) 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. -#include <features.h> + 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, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifdef __UCLIBC_HAS_THREADS__ +#include <pthread.h> +#endif #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; + #ifdef __UCLIBC_HAS_THREADS__ -#include <pthread.h> +/* Control variable for helper thread creation. */ +extern pthread_once_t __helper_once attribute_hidden; #endif -/* Type of timers in the kernel */ +/* TID of the helper thread. */ +extern pid_t __helper_tid 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; +/* 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. - */ + /* 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; + /* Parameters for the thread to be started for SIGEV_THREAD. */ + void (*thrfunc) (sigval_t); + sigval_t sival; #ifdef __UCLIBC_HAS_THREADS__ - pthread_attr_t attr; + pthread_attr_t attr; #endif }; |