uspace/app/tester/ipc/sharein.c

   1 /*
   2  * Copyright (c) 2018 Jiri Svoboda
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * - Redistributions of source code must retain the above copyright
  10  *   notice, this list of conditions and the following disclaimer.
  11  * - Redistributions in binary form must reproduce the above copyright
  12  *   notice, this list of conditions and the following disclaimer in the
  13  *   documentation and/or other materials provided with the distribution.
  14  * - The name of the author may not be used to endorse or promote products
  15  *   derived from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #include <as.h>
  30 #include <errno.h>
  31 #include <stdint.h>
  32 #include <stdio.h>
  33 #include <stdlib.h>
  34 #include <ipc_test.h>
  35 #include "../tester.h"
  36
  37 const char *test_sharein(void)
  38 {
  39         ipc_test_t *test = NULL;
  40         const void *ro_ptr;
  41         size_t ro_size;
  42         void *rw_ptr;
  43         size_t rw_size;
  44         errno_t rc;
  45
  46         rc = ipc_test_create(&test);
  47         if (rc != EOK)
  48                 return "Error contacting IPC test service.";
  49
  50         rc = ipc_test_get_ro_area_size(test, &ro_size);
  51         if (rc != EOK)
  52                 return "Error getting read-only area size.";
  53
  54         rc = ipc_test_share_in_ro(test, ro_size, &ro_ptr);
  55         if (rc != EOK)
  56                 return "Error sharing in area.";
  57
  58         TPRINTF("Successfully shared in read-only area.\n");
  59         TPRINTF("Byte from shared read-only area: 0x%02x\n",
  60             *(const uint8_t *)ro_ptr);
  61
  62         as_area_destroy((void *)ro_ptr);
  63
  64         rc = ipc_test_get_rw_area_size(test, &rw_size);
  65         if (rc != EOK)
  66                 return "Error getting read-write area size.";
  67
  68         rc = ipc_test_share_in_rw(test, rw_size, &rw_ptr);
  69         if (rc != EOK)
  70                 return "Error sharing in area.";
  71
  72         TPRINTF("Successfully shared in read-write area.\n");
  73         TPRINTF("Byte from shared read-write area: 0x%02x\n",
  74             *(uint8_t *)rw_ptr);
  75
  76         ipc_test_destroy(test);
  77         return NULL;
  78 }