root/lib/common/tests/procfs/pcmk__procfs_has_pids_false_test.c

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DEFINITIONS

This source file includes following definitions.
  1. no_pids

   1 /*
   2  * Copyright 2022 the Pacemaker project contributors
   3  *
   4  * The version control history for this file may have further details.
   5  *
   6  * This source code is licensed under the GNU General Public License version 2
   7  * or later (GPLv2+) WITHOUT ANY WARRANTY.
   8  */
   9 
  10 #include <crm_internal.h>
  11 
  12 #include <crm/common/unittest_internal.h>
  13 
  14 #include "mock_private.h"
  15 
  16 #include <unistd.h>
  17 #include <string.h>
  18 #include <errno.h>
  19 
  20 
  21 static void
  22 no_pids(void **state)
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  23 {
  24     char path[PATH_MAX];
  25 
  26     snprintf(path, PATH_MAX, "/proc/%u/exe", getpid());
  27 
  28     // Set readlink() errno and link contents (for /proc/PID/exe)
  29     pcmk__mock_readlink = true;
  30 
  31     expect_string(__wrap_readlink, path, path);
  32     expect_any(__wrap_readlink, buf);
  33     expect_value(__wrap_readlink, bufsize, PATH_MAX - 1);
  34     will_return(__wrap_readlink, ENOENT);
  35     will_return(__wrap_readlink, NULL);
  36 
  37     assert_false(pcmk__procfs_has_pids());
  38 
  39     pcmk__mock_readlink = false;
  40 }
  41 
  42 PCMK__UNIT_TEST(NULL, NULL, cmocka_unit_test(no_pids))

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