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61c35cff46
This commit adds support for the sem_clockwait() system call. It also refactors code to avoid duplicating by implementing _Semaphore_Wait_timed_clock() used in sem_clockwait() and sem_timedwait() The MR includes tests. Updates rtems/programs/gsoc#69 rtems#24
63 lines
2.1 KiB
C
63 lines
2.1 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause */
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/**
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* @file
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*
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* @ingroup POSIX_SEMAPHORE
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*
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* @brief This source file contains the implementation of sem_clockwait().
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*/
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/*
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* Copyright (C) 2025 Mazen Adel Elmessady
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <rtems/posix/posixapi.h>
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#include <rtems/posix/semaphoreimpl.h>
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#include <rtems/score/todimpl.h>
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int sem_clockwait(
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sem_t *__restrict _sem,
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clockid_t clock_id,
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const struct timespec *__restrict abstime
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)
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{
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if ( !_POSIX_Is_valid_clock_id( clock_id ) ) {
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rtems_set_errno_and_return_minus_one( EINVAL );
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}
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POSIX_SEMAPHORE_VALIDATE_OBJECT( _sem );
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int status = _Semaphore_Wait_timed_clock (
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&_sem->_Semaphore,
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abstime,
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clock_id
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);
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return _POSIX_Zero_or_minus_one_plus_errno( status );
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}
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