1/* Copyright (C) 2002-2022 Free Software Foundation, Inc. 2 3This file is part of GCC. 4 5GCC is free software; you can redistribute it and/or modify it under 6the terms of the GNU General Public License as published by the Free 7Software Foundation; either version 3, or (at your option) any later 8version. 9 10GCC is distributed in the hope that it will be useful, but WITHOUT ANY 11WARRANTY; without even the implied warranty of MERCHANTABILITY or 12FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13for more details. 14 15Under Section 7 of GPL version 3, you are granted additional 16permissions described in the GCC Runtime Library Exception, version 173.1, as published by the Free Software Foundation. 18 19You should have received a copy of the GNU General Public License and 20a copy of the GCC Runtime Library Exception along with this program; 21see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 22<http://www.gnu.org/licenses/>. */ 23 24/* Threads compatibility routines for libgcc2 for VxWorks. 25 26 This file implements the GTHREAD_HAS_COND part of the interface 27 exposed by gthr-vxworks.h. */ 28 29#include "gthr.h" 30 31#if __GTHREAD_HAS_COND 32 33#include <taskLib.h> 34 35/* --------------------------- Condition Variables ------------------------ */ 36 37void 38__gthread_cond_init (__gthread_cond_t *cond) 39{ 40 if (!cond) 41 return; 42 *cond = semBCreate (SEM_Q_FIFO, SEM_EMPTY); 43} 44 45int 46__gthread_cond_destroy (__gthread_cond_t *cond) 47{ 48 if (!cond) 49 return ERROR; 50 return __CHECK_RESULT (semDelete (*cond)); 51} 52 53int 54__gthread_cond_broadcast (__gthread_cond_t *cond) 55{ 56 if (!cond) 57 return ERROR; 58 59 return __CHECK_RESULT (semFlush (*cond)); 60} 61 62int 63__gthread_cond_wait (__gthread_cond_t *cond, 64 __gthread_mutex_t *mutex) 65{ 66 if (!cond) 67 return ERROR; 68 69 if (!mutex) 70 return ERROR; 71 72 int ret = __CHECK_RESULT (semExchange (*mutex, *cond, WAIT_FOREVER)); 73 74 __RETURN_ERRNO_IF_NOT_OK (semTake (*mutex, WAIT_FOREVER)); 75 76 return ret; 77} 78 79int 80__gthread_cond_wait_recursive (__gthread_cond_t *cond, 81 __gthread_recursive_mutex_t *mutex) 82{ 83 return __gthread_cond_wait (cond, mutex); 84} 85 86#endif 87