sewardj | af44c82 | 2007-11-25 14:01:38 +0000 | [diff] [blame^] | 1 | /* |
| 2 | This file is part of drd, a data race detector. |
| 3 | |
| 4 | Copyright (C) 2006-2007 Bart Van Assche |
| 5 | bart.vanassche@gmail.com |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or |
| 8 | modify it under the terms of the GNU General Public License as |
| 9 | published by the Free Software Foundation; either version 2 of the |
| 10 | License, or (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, but |
| 13 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 20 | 02111-1307, USA. |
| 21 | |
| 22 | The GNU General Public License is contained in the file COPYING. |
| 23 | */ |
| 24 | |
| 25 | |
| 26 | // Condition variable state information: mutex specified in pthread_cond_wait() |
| 27 | // call. |
| 28 | |
| 29 | |
| 30 | #ifndef __COND_H |
| 31 | #define __COND_H |
| 32 | |
| 33 | |
| 34 | #include "pub_tool_basics.h" // Addr, SizeT |
| 35 | #include "drd_vc.h" |
| 36 | #include "drd_thread.h" // DrdThreadId |
| 37 | |
| 38 | |
| 39 | struct cond_info |
| 40 | { |
| 41 | Addr cond; // Pointer to client condition variable. |
| 42 | int waiter_count; |
| 43 | Addr mutex; // Client mutex specified in pthread_cond_wait() call, and null |
| 44 | // if no client threads are currently waiting on this cond.var. |
| 45 | }; |
| 46 | |
| 47 | void cond_set_trace(const Bool trace_cond); |
| 48 | void cond_init(const Addr cond); |
| 49 | void cond_destroy(struct cond_info* const p); |
| 50 | struct cond_info* cond_get(Addr const mutex); |
| 51 | int cond_pre_wait(const Addr cond, const Addr mutex); |
| 52 | int cond_post_wait(const Addr cond); |
| 53 | void cond_pre_signal(Addr const cond); |
| 54 | void cond_pre_broadcast(Addr const cond); |
| 55 | void cond_stop_using_mem(const Addr a1, const Addr a2); |
| 56 | |
| 57 | |
| 58 | #endif /* __COND_H */ |