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 /* SPDX-License-Identifier: BSD-2-Clause */
 
 /*
  * Copyright 2024, Alessandro Nardin <ale.daluch@gmail.com>
  *
  * 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.
  */
 
 #include <stdio.h>
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
 #define CONFIGURE_INIT
 #include "system.h"
 #include <rtems.h>
 #include "tmacros.h"
 #include <rtems/posix/aio_misc.h>
 #include <aio.h>
 #include <stdlib.h>
 #include <unistd.h>
 #include <sched.h>
 #include <fcntl.h>
 #include <signal.h>
 
 const char rtems_test_name[] = "PSXAIO 5";
 
 #define BUFSIZE 512
 #define WRONG_FD 404
 #define BAD_MODE 38576
 
 /* forward declarations to avoid warnings */
 static struct aiocb *create_aiocb( int fd );
 static void free_aiocb( struct aiocb *aiocbp );
 static void test_einval( struct aiocb** aiocbp );
 static void test_eio( struct aiocb** aiocbp );
 static void test_no_wait( struct aiocb** aiocbp );
 static void test_wait( struct aiocb** aiocbp );
 
 static struct aiocb *create_aiocb( int fd )
 {
   struct aiocb *aiocbp;
 
   aiocbp = malloc( sizeof( struct aiocb ) );
   memset( aiocbp, 0, sizeof( struct aiocb ) );
   aiocbp->aio_buf = malloc( BUFSIZE * sizeof( char ) );
   aiocbp->aio_nbytes = BUFSIZE;
   aiocbp->aio_offset = 0;
   aiocbp->aio_reqprio = 0;
   aiocbp->aio_fildes = fd;
   aiocbp->aio_sigevent.sigev_notify = SIGEV_NONE;
   aiocbp->aio_lio_opcode = LIO_READ;
   return aiocbp;
 }
 
 static void free_aiocb( struct aiocb *aiocbp )
 {
   free( (void*) aiocbp->aio_buf );
   free( aiocbp );
 }
 
 static void test_einval( struct aiocb** aiocbp )
 {
   int status;
 
   status = lio_listio( LIO_WAIT, NULL, 1, NULL);
   rtems_test_assert( status == -1 );
   rtems_test_assert( errno == EINVAL );
   errno = 0;
 
   status = lio_listio( BAD_MODE, aiocbp, 1, NULL);
   rtems_test_assert( status == -1 );
   rtems_test_assert( errno == EINVAL );
   errno = 0;
 
   status = lio_listio( LIO_WAIT, aiocbp, -9, NULL);
   rtems_test_assert( status == -1 );
   rtems_test_assert( errno == EINVAL );
   errno = 0;
 
   status = lio_listio( LIO_WAIT, aiocbp, 547, NULL);
   rtems_test_assert( status == -1 );
   rtems_test_assert( errno == EINVAL );
   errno = 0;
 }
 
 static void test_eio( struct aiocb** aiocbp )
 {
   int status;
 
   status = lio_listio( LIO_NOWAIT, &aiocbp[4], 1, NULL);
   rtems_test_assert( status == -1 );
   rtems_test_assert( errno == EIO );
   errno = 0;
 
   status = lio_listio( LIO_WAIT, &aiocbp[4], 1, NULL);
   rtems_test_assert( status == -1 );
   rtems_test_assert( errno == EIO );
   errno = 0;
 }
 
 static void test_no_wait( struct aiocb** aiocbp )
 {
   int status, received_signal, sig;
   struct sigevent sigev;
   sigset_t sig_set;
   
   sig = SIGUSR1;
   sigev.sigev_notify = SIGEV_SIGNAL;
   sigev.sigev_signo = sig;
   sigev.sigev_value.sival_ptr  = NULL;
 
   status = sigemptyset( &sig_set );
   rtems_test_assert( status == 0 );
 
   status = sigaddset( &sig_set, sig );
   rtems_test_assert( status == 0 );
 
   status = sigprocmask( SIG_BLOCK, &sig_set, NULL );
   rtems_test_assert( status == 0 );
 
   status = lio_listio( LIO_NOWAIT, aiocbp, 4, &sigev);
   rtems_test_assert( status == 0 );
 
   status = sigwait( &sig_set, &received_signal );
   rtems_test_assert( status == 0 );
   rtems_test_assert( received_signal == sig );
 
   status = sigprocmask( SIG_UNBLOCK, &sig_set, NULL );
   rtems_test_assert( status == 0 );
 }
 
 static void test_wait( struct aiocb** aiocbp )
 {
   int status;
 
   status = lio_listio( LIO_WAIT, aiocbp, 4, NULL);
   rtems_test_assert( status == 0 );
 }
 
 void *POSIX_Init( void *argument )
 {
   struct aiocb *aiocbp[] = { NULL, NULL, NULL, NULL, NULL };
   int fd, result;
 
   rtems_aio_init();
 
   result = mkdir( "/tmp", S_IRWXU );
   rtems_test_assert( result == 0 );
   
   fd = open(
     "/tmp/aio_fildes",
     O_RDWR|O_CREAT,
     S_IRWXU|S_IRWXG|S_IRWXO
   );
   rtems_test_assert( fd != -1 );
 
   TEST_BEGIN();
 
   for (int i = 0; i<4; i++ ) {
     aiocbp[i] = create_aiocb( fd );
   }
   aiocbp[4] = create_aiocb( WRONG_FD );
 
   test_einval( aiocbp );
 
   test_eio( aiocbp );
 
   test_no_wait( aiocbp );
 
   test_wait( aiocbp );
 
   TEST_END();
 
   for (int i = 0; i<5; i++ ) {
     free_aiocb(aiocbp[i]);
   }
 
   close( fd );
   rtems_test_exit( 0 );
 
   return NULL;
 }

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