/***************************************************************
  SYS-PIPE2.C

       This file contains Linux/i386/ILP32 implementation of
       __cpu_sys_pipe2().

       PART OF : CPU - library .

       USAGE   : Internal only .

       Copyright (C) 2026  by Andrew V.Kosteltsev.
       All Rights Reserved.
 ***************************************************************/

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <errno.h>
#include <fcntl.h>
#include <unistd.h>

#include <libmcpu.h>
#include <cpu-sysdeps.h>


__mpu_int64_t
__cpu_sys_pipe2( int pipefd[2], __mpu_uint64_t flags )
{
  int host_flags = 0;
  int ret;

  if( !pipefd ) return( -(__mpu_int64_t)__MCPU_EINVAL );
  if( flags & ~(__mpu_uint64_t)__CPU_O_NONBLOCK )
    return( -(__mpu_int64_t)__MCPU_EINVAL );

  if( flags & __CPU_O_NONBLOCK ) host_flags |= O_NONBLOCK;

  ret = pipe2( pipefd, host_flags );
  if( ret < 0 ) return( -(__mpu_int64_t)__cpu_errno_from_host( errno ) );

  return( 0 );

} /* End of __cpu_sys_pipe2() */