| /* Copyright (C) 2002-2021 Free Software Foundation, Inc. |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify it under |
| the terms of the GNU General Public License as published by the Free |
| Software Foundation; either version 3, or (at your option) any later |
| version. |
| |
| GCC 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 General Public License |
| for more details. |
| |
| Under Section 7 of GPL version 3, you are granted additional |
| permissions described in the GCC Runtime Library Exception, version |
| 3.1, as published by the Free Software Foundation. |
| |
| You should have received a copy of the GNU General Public License and |
| a copy of the GCC Runtime Library Exception along with this program; |
| see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| /* Threads compatibility routines for libgcc2 for VxWorks. |
| |
| This file implements the GTHREAD_HAS_COND part of the interface |
| exposed by gthr-vxworks.h. */ |
| |
| #include "gthr.h" |
| |
| #if __GTHREAD_HAS_COND |
| |
| #include <taskLib.h> |
| |
| /* --------------------------- Condition Variables ------------------------ */ |
| |
| void |
| __gthread_cond_init (__gthread_cond_t *cond) |
| { |
| if (!cond) |
| return; |
| *cond = semBCreate (SEM_Q_FIFO, SEM_EMPTY); |
| } |
| |
| int |
| __gthread_cond_destroy (__gthread_cond_t *cond) |
| { |
| if (!cond) |
| return ERROR; |
| return __CHECK_RESULT (semDelete (*cond)); |
| } |
| |
| int |
| __gthread_cond_broadcast (__gthread_cond_t *cond) |
| { |
| if (!cond) |
| return ERROR; |
| |
| return __CHECK_RESULT (semFlush (*cond)); |
| } |
| |
| int |
| __gthread_cond_wait (__gthread_cond_t *cond, |
| __gthread_mutex_t *mutex) |
| { |
| if (!cond) |
| return ERROR; |
| |
| if (!mutex) |
| return ERROR; |
| |
| int ret = __CHECK_RESULT (semExchange (*mutex, *cond, WAIT_FOREVER)); |
| |
| __RETURN_ERRNO_IF_NOT_OK (semTake (*mutex, WAIT_FOREVER)); |
| |
| return ret; |
| } |
| |
| int |
| __gthread_cond_wait_recursive (__gthread_cond_t *cond, |
| __gthread_recursive_mutex_t *mutex) |
| { |
| return __gthread_cond_wait (cond, mutex); |
| } |
| |
| #endif |