| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame] | 1 | /* Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008 |
| 2 | Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. |
| 5 | |
| 6 | The GNU C Library is free software; you can redistribute it and/or |
| 7 | modify it under the terms of the GNU Lesser General Public |
| 8 | License as published by the Free Software Foundation; either |
| 9 | version 2.1 of the License, or (at your option) any later version. |
| 10 | |
| 11 | The GNU C Library is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | Lesser General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU Lesser General Public |
| 17 | License along with the GNU C Library; if not, write to the Free |
| 18 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 19 | 02111-1307 USA. */ |
| 20 | |
| 21 | #include "pthreadP.h" |
| 22 | |
| 23 | |
| 24 | int |
| 25 | attribute_protected |
| 26 | __pthread_cond_init ( |
| 27 | pthread_cond_t *cond, |
| 28 | const pthread_condattr_t *cond_attr) |
| 29 | { |
| 30 | struct pthread_condattr *icond_attr = (struct pthread_condattr *) cond_attr; |
| 31 | |
| 32 | cond->__data.__lock = LLL_LOCK_INITIALIZER; |
| 33 | cond->__data.__futex = 0; |
| 34 | cond->__data.__nwaiters = (icond_attr != NULL |
| 35 | ? ((icond_attr->value >> 1) |
| 36 | & ((1 << COND_NWAITERS_SHIFT) - 1)) |
| 37 | : CLOCK_REALTIME); |
| 38 | cond->__data.__total_seq = 0; |
| 39 | cond->__data.__wakeup_seq = 0; |
| 40 | cond->__data.__woken_seq = 0; |
| 41 | cond->__data.__mutex = (icond_attr == NULL || (icond_attr->value & 1) == 0 |
| 42 | ? NULL : (void *) ~0l); |
| 43 | cond->__data.__broadcast_seq = 0; |
| 44 | |
| 45 | return 0; |
| 46 | } |
| 47 | weak_alias(__pthread_cond_init, pthread_cond_init) |