(root)/
glibc-2.38/
nptl/
tst-sem17.c
       1  /* Test unsupported/bad clocks passed to sem_clockwait.
       2  
       3     Copyright (C) 2019-2023 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>