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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @brief POSIX API Implementation
*
* This include file defines the top level interface to the POSIX API
* implementation in RTEMS.
*/
/*
* COPYRIGHT (c) 1989-2011.
* On-Line Applications Research Corporation (OAR).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _RTEMS_POSIX_POSIXAPI_H
#define _RTEMS_POSIX_POSIXAPI_H
#include <rtems/config.h>
#include <rtems/score/assert.h>
#include <rtems/score/objectimpl.h>
#include <rtems/score/threadimpl.h>
#include <rtems/seterr.h>
#include <pthread.h>
/**
* @defgroup POSIXAPI POSIX API
*
* @ingroup RTEMSImpl
*
* @brief This group contains definitions and modules which are used to
* implement the POSIX APIs supported by RTEMS.
*
* @{
*/
extern const int _POSIX_Get_by_name_error_table[ 3 ];
static inline int _POSIX_Get_by_name_error(
Objects_Get_by_name_error error
)
{
_Assert( (size_t) error < RTEMS_ARRAY_SIZE( _POSIX_Get_by_name_error_table ) );
return _POSIX_Get_by_name_error_table[ error ];
}
static inline int _POSIX_Get_error( Status_Control status )
{
return STATUS_GET_POSIX( status );
}
static inline int _POSIX_Get_error_after_wait(
const Thread_Control *executing
)
{
return _POSIX_Get_error( _Thread_Wait_get_status( executing ) );
}
static inline int _POSIX_Zero_or_minus_one_plus_errno(
Status_Control status
)
{
if ( status == STATUS_SUCCESSFUL ) {
return 0;
}
rtems_set_errno_and_return_minus_one( _POSIX_Get_error( status ) );
}
/*
* See also The Open Group Base Specifications Issue 7, IEEE Std 1003.1-2008,
* 2016 Edition, subsection 2.9.9, Synchronization Object Copies and
* Alternative Mappings.
*
* http://pubs.opengroup.org/onlinepubs/9699919799/functions/V2_chap02.html#tag_15_09_09
*/
static inline bool _POSIX_Is_valid_pshared( int pshared )
{
return pshared == PTHREAD_PROCESS_PRIVATE ||
pshared == PTHREAD_PROCESS_SHARED;
}
/** @} */
#endif
/* end of include file */
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