sysdeps/pthread/tst-mutex11.c

   1 /* Test unsupported/bad clocks passed to pthread_mutex_clocklock.
   2
   3    Copyright (C) 2019-2024 Free Software Foundation, Inc.
   4    This file is part of the GNU C Library.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, see
  18    <https://www.gnu.org/licenses/>.  */
  19
  20 #include <errno.h>
  21 #include <pthread.h>
  22 #include <stdio.h>
  23 #include <time.h>
  24 #include <unistd.h>
  25 #include <support/check.h>
  26
  27 static pthread_mutex_t mut = PTHREAD_MUTEX_INITIALIZER;
  28
  29 static void test_bad_clockid (clockid_t clockid)
  30 {
  31   const struct timespec ts = {0,0};
  32   TEST_COMPARE (pthread_mutex_clocklock (&mut, clockid, &ts), EINVAL);
  33 }
  34
  35 #define NOT_A_VALID_CLOCK 123456
  36
  37 static int
  38 do_test (void)
  39 {
  40   /* These clocks are meaningless to pthread_mutex_clocklock.  */
  41 #if defined(CLOCK_PROCESS_CPUTIME_ID)
  42   test_bad_clockid (CLOCK_PROCESS_CPUTIME_ID);
  43 #endif
  44 #if defined(CLOCK_THREAD_CPUTIME_ID)
  45   test_bad_clockid (CLOCK_PROCESS_CPUTIME_ID);
  46 #endif
  47
  48   /* These clocks might be meaningful, but are currently unsupported by
  49      pthread_mutex_clocklock.  */
  50 #if defined(CLOCK_REALTIME_COARSE)
  51   test_bad_clockid (CLOCK_REALTIME_COARSE);
  52 #endif
  53 #if defined(CLOCK_MONOTONIC_RAW)
  54   test_bad_clockid (CLOCK_MONOTONIC_RAW);
  55 #endif
  56 #if defined(CLOCK_MONOTONIC_COARSE)
  57   test_bad_clockid (CLOCK_MONOTONIC_COARSE);
  58 #endif
  59 #if defined(CLOCK_BOOTTIME)
  60   test_bad_clockid (CLOCK_BOOTTIME);
  61 #endif
  62
  63   /* This is a completely invalid clock.  */
  64   test_bad_clockid (NOT_A_VALID_CLOCK);
  65
  66   return 0;
  67 }
  68
  69 #include <support/test-driver.c>