| /* Copyright (C) 2003 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, |
| write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| #include <shlib-compat.h> |
| #include "compat-timer.h" |
| #include <atomic.h> |
| |
| |
| #define timer_create_alias __timer_create_new |
| #include "../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 (__builtin_expect (i == OLD_TIMER_MAX, 0)) |
| { |
| /* 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 |
