mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-26 15:00:06 +00:00
66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
/* Copyright (C) 2003-2017 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 <shlib-compat.h>
|
|
#include "compat-timer.h"
|
|
#include <atomic.h>
|
|
|
|
|
|
#define timer_create_alias __timer_create_new
|
|
#include <sysdeps/unix/sysv/linux/timer_create.c>
|
|
|
|
#undef timer_create
|
|
versioned_symbol (librt, __timer_create_new, timer_create, GLIBC_2_3_3);
|
|
|
|
|
|
#if SHLIB_COMPAT (librt, GLIBC_2_2, GLIBC_2_3_3)
|
|
timer_t __compat_timer_list[OLD_TIMER_MAX] attribute_hidden;
|
|
|
|
|
|
int
|
|
__timer_create_old (clockid_t clock_id, struct sigevent *evp, int *timerid)
|
|
{
|
|
timer_t newp;
|
|
|
|
int res = __timer_create_new (clock_id, evp, &newp);
|
|
if (res == 0)
|
|
{
|
|
int i;
|
|
for (i = 0; i < OLD_TIMER_MAX; ++i)
|
|
if (__compat_timer_list[i] == NULL
|
|
&& ! atomic_compare_and_exchange_bool_acq (&__compat_timer_list[i],
|
|
newp, NULL))
|
|
{
|
|
*timerid = i;
|
|
break;
|
|
}
|
|
|
|
if (__glibc_unlikely (i == OLD_TIMER_MAX))
|
|
{
|
|
/* No free slot. */
|
|
(void) __timer_delete_new (newp);
|
|
__set_errno (EINVAL);
|
|
res = -1;
|
|
}
|
|
}
|
|
|
|
return res;
|
|
}
|
|
compat_symbol (librt, __timer_create_old, timer_create, GLIBC_2_2);
|
|
#endif
|