tools/testing/selftests/powerpc/syscalls/ipc_unmuxed.c

   1 /*
   2  * Copyright 2015, Michael Ellerman, IBM Corp.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; either version
   7  * 2 of the License, or (at your option) any later version.
   8  *
   9  * This test simply tests that certain syscalls are implemented. It doesn't
  10  * actually exercise their logic in any way.
  11  */
  12
  13 #define _GNU_SOURCE
  14 #include <errno.h>
  15 #include <stdio.h>
  16 #include <unistd.h>
  17 #include <sys/syscall.h>
  18
  19 #include "utils.h"
  20
  21
  22 #define DO_TEST(_name, _num)    \
  23 static int test_##_name(void)                   \
  24 {                                               \
  25         int rc;                                 \
  26         printf("Testing " #_name);              \
  27         errno = 0;                              \
  28         rc = syscall(_num, -1, 0, 0, 0, 0, 0);  \
  29         printf("\treturned %d, errno %d\n", rc, errno); \
  30         return errno == ENOSYS;                 \
  31 }
  32
  33 #include "ipc.h"
  34 #undef DO_TEST
  35
  36 static int ipc_unmuxed(void)
  37 {
  38         int tests_done = 0;
  39
  40 #define DO_TEST(_name, _num)            \
  41         FAIL_IF(test_##_name());        \
  42         tests_done++;
  43
  44 #include "ipc.h"
  45 #undef DO_TEST
  46
  47         /*
  48          * If we ran no tests then it means none of the syscall numbers were
  49          * defined, possibly because we were built against old headers. But it
  50          * means we didn't really test anything, so instead of passing mark it
  51          * as a skip to give the user a clue.
  52          */
  53         SKIP_IF(tests_done == 0);
  54
  55         return 0;
  56 }
  57
  58 int main(void)
  59 {
  60         return test_harness(ipc_unmuxed, "ipc_unmuxed");
  61 }