nptl/tst-sem17.c

   1 /* Test unsupported/bad clocks passed to sem_clockwait.
   2
   3    Copyright (C) 2019-2021 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 <semaphore.h>
  22 #include <stdio.h>
  23 #include <time.h>
  24 #include <unistd.h>
  25 #include <sys/time.h>
  26 #include <support/check.h>
  27 #include <support/timespec.h>
  28
  29
  30 #define NOT_A_VALID_CLOCK 123456
  31
  32 static int
  33 do_test (void)
  34 {
  35   sem_t s;
  36   TEST_COMPARE (sem_init (&s, 0, 1), 0);
  37
  38   const struct timespec ts = make_timespec (0, 0);
  39
  40   /* These clocks are meaningless to sem_clockwait.  */
  41 #if defined(CLOCK_PROCESS_CPUTIME_ID)
  42   TEST_COMPARE (sem_clockwait (&s, CLOCK_PROCESS_CPUTIME_ID, &ts), -1);
  43   TEST_COMPARE (errno, EINVAL);
  44 #endif
  45 #if defined(CLOCK_THREAD_CPUTIME_ID)
  46   TEST_COMPARE (sem_clockwait (&s, CLOCK_THREAD_CPUTIME_ID, &ts), -1);
  47   TEST_COMPARE (errno, EINVAL);
  48 #endif
  49
  50   /* These clocks might be meaningful, but are currently unsupported
  51      by pthread_cond_clockwait.  */
  52 #if defined(CLOCK_REALTIME_COARSE)
  53   TEST_COMPARE (sem_clockwait (&s, CLOCK_REALTIME_COARSE, &ts), -1);
  54   TEST_COMPARE (errno, EINVAL);
  55 #endif
  56 #if defined(CLOCK_MONOTONIC_RAW)
  57   TEST_COMPARE (sem_clockwait (&s, CLOCK_MONOTONIC_RAW, &ts), -1);
  58   TEST_COMPARE (errno, EINVAL);
  59 #endif
  60 #if defined(CLOCK_MONOTONIC_COARSE)
  61   TEST_COMPARE (sem_clockwait (&s, CLOCK_MONOTONIC_COARSE, &ts), -1);
  62   TEST_COMPARE (errno, EINVAL);
  63 #endif
  64 #if defined(CLOCK_BOOTTIME)
  65   TEST_COMPARE (sem_clockwait (&s, CLOCK_BOOTTIME, &ts), -1);
  66   TEST_COMPARE (errno, EINVAL);
  67 #endif
  68
  69   /* This is a completely invalid clock.  */
  70   TEST_COMPARE (sem_clockwait (&s, NOT_A_VALID_CLOCK, &ts), -1);
  71   TEST_COMPARE (errno, EINVAL);
  72
  73   return 0;
  74 }
  75
  76 #include <support/test-driver.c>