84 lines
2.1 KiB
C
84 lines
2.1 KiB
C
/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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/* Threads compatibility routines for libgcc2 for VxWorks.
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This file implements the GTHREAD_HAS_COND part of the interface
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exposed by gthr-vxworks.h. */
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#include "gthr.h"
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#include <taskLib.h>
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/* --------------------------- Condition Variables ------------------------ */
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void
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__gthread_cond_init (__gthread_cond_t *cond)
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{
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if (!cond)
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return;
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*cond = semBCreate (SEM_Q_FIFO, SEM_EMPTY);
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}
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int
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__gthread_cond_destroy (__gthread_cond_t *cond)
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{
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if (!cond)
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return ERROR;
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return __CHECK_RESULT (semDelete (*cond));
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}
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int
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__gthread_cond_broadcast (__gthread_cond_t *cond)
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{
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if (!cond)
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return ERROR;
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return __CHECK_RESULT (semFlush (*cond));
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}
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int
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__gthread_cond_wait (__gthread_cond_t *cond,
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__gthread_mutex_t *mutex)
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{
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if (!cond)
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return ERROR;
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if (!mutex)
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return ERROR;
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__RETURN_ERRNO_IF_NOT_OK (semGive (*mutex));
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__RETURN_ERRNO_IF_NOT_OK (semTake (*cond, WAIT_FOREVER));
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__RETURN_ERRNO_IF_NOT_OK (semTake (*mutex, WAIT_FOREVER));
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return OK;
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}
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int
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__gthread_cond_wait_recursive (__gthread_cond_t *cond,
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__gthread_recursive_mutex_t *mutex)
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{
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return __gthread_cond_wait (cond, mutex);
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}
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