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/**
* @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).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#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 RTEMS POSIX API
*
* @ingroup RTEMSInternal
*
* RTEMS POSIX API definitions and modules.
*
*/
/**@{**/
/**
* @brief POSIX API Fatal domains.
*/
typedef enum {
POSIX_FD_PTHREAD, /**< A pthread thread error. */
POSIX_FD_PTHREAD_ONCE /**< A pthread once error. */
} POSIX_Fatal_domain;
/**
* @brief POSIX API Fatal error.
*
* A common method of rasing a POSIX API fatal error.
*
* @param[in] domain The POSIX error domain.
* @param[in] eno The error number as defined in errno.h.
*/
void _POSIX_Fatal_error( POSIX_Fatal_domain domain, int eno );
extern const int _POSIX_Get_by_name_error_table[ 3 ];
RTEMS_INLINE_ROUTINE 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 ];
}
RTEMS_INLINE_ROUTINE int _POSIX_Get_error( Status_Control status )
{
return STATUS_GET_POSIX( status );
}
RTEMS_INLINE_ROUTINE int _POSIX_Get_error_after_wait(
const Thread_Control *executing
)
{
return _POSIX_Get_error( _Thread_Wait_get_status( executing ) );
}
RTEMS_INLINE_ROUTINE 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
*/
RTEMS_INLINE_ROUTINE 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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