Example #1
0
File: wait.c Project: jbruchon/elks
bool_t _wait_event (cond_t * c, bool_t i)
{
	bool_t res = 0;

	if (!cond_test (c)) {

		if (current == &task [0])
			panic ("task 0 waits condition %x", (int) c);

		wait_set ((struct wait_queue *) c);
		while (1) {
			current->state = i ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE;
			if (cond_test (c)) break;
			schedule ();

			if (i && current->signal)
			{
				// Interrupted by signal
				res = 1;
				break;
			}
		}

		current->state = TASK_RUNNING;
		wait_clear ((struct wait_queue *) c);
	}

	return res;
}
ARMSIM_INSTRUCTION * as_execute_instruction(ARMSIM_CTX *ctx, ARMSIM_INSTRUCTION * cooked_instruction){
    as_log(ctx, "Entering as_execute_instruction\n",0);
    if(cooked_instruction == 0){
        as_log(ctx, "Leaving as_execute_instruction\n",0);
        return 0;
    }
    char * string = (char*)malloc(sizeof(char) * LOG_STRING_LENGTH);
    char * instruction_string = instruction_to_string(cooked_instruction);
    if(cond_test(cooked_instruction->condition, get_cpsr(ctx->registers)) != 0){
        sprintf(string, "EXECUTING([%s] %x)", instruction_string, get_mode(ctx->registers));
        actually_execute_instruction(cooked_instruction);
    }
    else{
        sprintf(string, "SKIPPING([%s] %x)", instruction_string, get_mode(ctx->registers));
    }
    as_log(ctx, string, 0);
    free(string);
    free(instruction_string);
    as_log(ctx, "Leaving as_execute_instruction\n",0);
    return cooked_instruction;
}
Example #3
0
static int user_main(int argc, char *argv[])
{
  int i;

  /* Sample the memory usage now */

#ifndef CONFIG_DISABLE_SIGNALS
  usleep(HALF_SECOND_USEC);

#ifdef CONFIG_CAN_PASS_STRUCTS
  g_mmbefore = mallinfo();
  g_mmprevious = g_mmbefore;
#else
  (void)mallinfo(&g_mmbefore);
  memcpy(&g_mmprevious, &g_mmbefore, sizeof(struct mallinfo));
#endif
#endif

  printf("\nuser_main: Begin argument test\n");
  printf("user_main: Started with argc=%d\n", argc);

  /* Verify passed arguments */

  if (argc != NARGS + 1)
    {
      printf("user_main: Error expected argc=%d got argc=%d\n",
             NARGS+1, argc);
    }

  for (i = 0; i <= NARGS; i++)
    {
      printf("user_main: argv[%d]=\"%s\"\n", i, argv[i]);
    }

  for (i = 1; i <= NARGS; i++)
    {
      if (strcmp(argv[i], g_argv[i-1]) != 0)
        {
          printf("user_main: ERROR argv[%d]:  Expected \"%s\" found \"%s\"\n",
                 i, g_argv[i-1], argv[i]);
        }
    }
  check_test_memory_usage();

  /* Check environment variables */
#ifndef CONFIG_DISABLE_ENVIRON
  show_environment(true, true, true);

  unsetenv(g_var1_name);
  show_environment(false, true, true);
  check_test_memory_usage();

  clearenv();
  show_environment(false, false, false);
  check_test_memory_usage();
#endif

  /* Top of test loop */
  
#if CONFIG_EXAMPLES_OSTEST_LOOPS > 1
  for (i = 0; i < CONFIG_EXAMPLES_OSTEST_LOOPS; i++)
#elif CONFIG_EXAMPLES_OSTEST_LOOPS == 0
  for (;;)
#endif
    {
#if CONFIG_NFILE_DESCRIPTORS > 0
      /* Checkout /dev/null */

      printf("\nuser_main: /dev/null test\n");
      dev_null();
      check_test_memory_usage();
#endif

#ifdef  CONFIG_ARCH_FPU
  /* Check that the FPU is properly supported during context switching */

      printf("\nuser_main: FPU test\n");
      fpu_test();
      check_test_memory_usage();
#endif

#ifdef CONFIG_SCHED_WAITPID
      /* Check waitpid() and friends */

      printf("\nuser_main: waitpid test\n");
      waitpid_test();
      check_test_memory_usage();
#endif

#ifndef CONFIG_DISABLE_PTHREAD
      /* Verify pthreads and pthread mutex */

      printf("\nuser_main: mutex test\n");
      mutex_test();
      check_test_memory_usage();
#endif

#if !defined(CONFIG_DISABLE_PTHREAD) && defined(CONFIG_MUTEX_TYPES)
      /* Verify recursive mutexes */

      printf("\nuser_main: recursive mutex test\n");
      recursive_mutex_test();
      check_test_memory_usage();
#endif

#ifndef CONFIG_DISABLE_PTHREAD
      /* Verify pthread cancellation */

      printf("\nuser_main: cancel test\n");
      cancel_test();
      check_test_memory_usage();
#endif

#ifndef CONFIG_DISABLE_PTHREAD
      /* Verify pthreads and semaphores */

      printf("\nuser_main: semaphore test\n");
      sem_test();
      check_test_memory_usage();
#endif

#ifndef CONFIG_DISABLE_PTHREAD
    /* Verify pthreads and condition variables */

      printf("\nuser_main: condition variable test\n");
#ifdef CONFIG_PRIORITY_INHERITANCE
      printf("\n           Skipping, Test logic incompatible with priority inheritance\n");
#else
      cond_test();
      check_test_memory_usage();
#endif
#endif

#if !defined(CONFIG_DISABLE_SIGNALS) && !defined(CONFIG_DISABLE_PTHREAD) && !defined(CONFIG_DISABLE_CLOCK)
      /* Verify pthreads and condition variable timed waits */

      printf("\nuser_main: timed wait test\n");
      timedwait_test();
      check_test_memory_usage();
#endif

#if !defined(CONFIG_DISABLE_MQUEUE) && !defined(CONFIG_DISABLE_PTHREAD)
      /* Verify pthreads and message queues */

      printf("\nuser_main: message queue test\n");
      mqueue_test();
      check_test_memory_usage();
#endif

#if !defined(CONFIG_DISABLE_MQUEUE) && !defined(CONFIG_DISABLE_PTHREAD) && !defined(CONFIG_DISABLE_CLOCK)
      /* Verify pthreads and message queues */

      printf("\nuser_main: timed message queue test\n");
      timedmqueue_test();
      check_test_memory_usage();
#endif

#ifndef CONFIG_DISABLE_SIGNALS
      /* Verify signal handlers */

      printf("\nuser_main: signal handler test\n");
      sighand_test();
      check_test_memory_usage();
#endif

#if !defined(CONFIG_DISABLE_POSIX_TIMERS) && !defined(CONFIG_DISABLE_SIGNALS)
      /* Verify posix timers */

      printf("\nuser_main: POSIX timer test\n");
      timer_test();
      check_test_memory_usage();
#endif

#if !defined(CONFIG_DISABLE_PTHREAD) && CONFIG_RR_INTERVAL > 0
      /* Verify round robin scheduling */

      printf("\nuser_main: round-robin scheduler test\n");
      rr_test();
      check_test_memory_usage();
#endif

#ifndef CONFIG_DISABLE_PTHREAD
      /* Verify pthread barriers */

      printf("\nuser_main: barrier test\n");
      barrier_test();
      check_test_memory_usage();
#endif

#if defined(CONFIG_PRIORITY_INHERITANCE) && !defined(CONFIG_DISABLE_SIGNALS) && !defined(CONFIG_DISABLE_PTHREAD)
      /* Verify priority inheritance */

      printf("\nuser_main: priority inheritance test\n");
      priority_inheritance();
      check_test_memory_usage();
#endif /* CONFIG_PRIORITY_INHERITANCE && !CONFIG_DISABLE_SIGNALS && !CONFIG_DISABLE_PTHREAD */

#ifdef CONFIG_ARCH_HAVE_VFORK
      printf("\nuser_main: vfork() test\n");
      vfork_test();
#endif

      /* Compare memory usage at time ostest_main started until
       * user_main exits.  These should not be identical, but should
       * be similar enough that we can detect any serious OS memory
       * leaks.
       */

#ifndef CONFIG_DISABLE_SIGNALS
      usleep(HALF_SECOND_USEC);

#ifdef CONFIG_CAN_PASS_STRUCTS
      g_mmafter = mallinfo();
#else
      (void)mallinfo(&g_mmafter);
#endif

      printf("\nFinal memory usage:\n");
      show_memory_usage(&g_mmbefore, &g_mmafter);
#endif
    }

  printf("user_main: Exitting\n");
  return 0;
}
Example #4
0
static int user_main(int argc, char *argv[])
#endif
{
  int i;

  /* Sample the memory usage now */

#ifndef CONFIG_DISABLE_SIGNALS
  usleep(HALF_SECOND_USEC);

#ifdef CONFIG_CAN_PASS_STRUCTS
  g_mmbefore = mallinfo();
  g_mmprevious = g_mmbefore;
#else
  (void)mallinfo(&g_mmbefore);
  memcpy(&g_mmprevious, &g_mmbefore, sizeof(struct mallinfo));
#endif
#endif

  printf("\nuser_main: Begin argument test\n");
  printf("user_main: Started with argc=%d\n", argc);

  /* Verify passed arguments */

  if (argc != NARGS + 1)
    {
      printf("user_main: Error expected argc=%d got argc=%d\n",
             NARGS+1, argc);
    }

  for (i = 0; i <= NARGS; i++)
    {
      printf("user_main: argv[%d]=\"%s\"\n", i, argv[i]);
    }

  for (i = 1; i <= NARGS; i++)
    {
      if (strcmp(argv[i], g_argv[i-1]) != 0)
        {
          printf("user_main: ERROR argv[%d]:  Expected \"%s\" found \"%s\"\n",
                 i, g_argv[i-1], argv[i]);
        }
    }
  check_test_memory_usage();

  /* If retention of child status is enable, then suppress it for this task.
   * This task may produce many, many children (especially if
   * CONFIG_EXAMPLES_OSTEST_LOOPS) and it does not harvest their exit status.
   * As a result, the test may fail inappropriately unless retention of
   * child exit status is disabled.
   *
   * So basically, this tests that child status can be disabled, but cannot
   * verify that status is retained correctly.
   */

#if defined(CONFIG_SCHED_HAVE_PARENT) && defined(CONFIG_SCHED_CHILD_STATUS)
  {
    struct sigaction sa;
    int ret;

    sa.sa_handler = SIG_IGN;
    sa.sa_flags = SA_NOCLDWAIT;
    ret = sigaction(SIGCHLD, &sa, NULL);
    if (ret < 0)
      {
        printf("user_main: ERROR: sigaction failed: %d\n", errno);
      }
  }
#endif

  /* Check environment variables */
#ifndef CONFIG_DISABLE_ENVIRON
  show_environment(true, true, true);

  unsetenv(g_var1_name);
  show_environment(false, true, true);
  check_test_memory_usage();

  clearenv();
  show_environment(false, false, false);
  check_test_memory_usage();
#endif

  /* Top of test loop */

#if CONFIG_EXAMPLES_OSTEST_LOOPS > 1
  for (i = 0; i < CONFIG_EXAMPLES_OSTEST_LOOPS; i++)
#elif CONFIG_EXAMPLES_OSTEST_LOOPS == 0
  for (;;)
#endif
    {
#if CONFIG_NFILE_DESCRIPTORS > 0
      /* Checkout /dev/null */

      printf("\nuser_main: /dev/null test\n");
      dev_null();
      check_test_memory_usage();
#endif

#ifdef  CONFIG_ARCH_FPU
      /* Check that the FPU is properly supported during context switching */

      printf("\nuser_main: FPU test\n");
      fpu_test();
      check_test_memory_usage();
#endif

      /* Checkout task_restart() */

      printf("\nuser_main: task_restart test\n");
      restart_test();
      check_test_memory_usage();

#ifdef CONFIG_SCHED_WAITPID
      /* Check waitpid() and friends */

      printf("\nuser_main: waitpid test\n");
      waitpid_test();
      check_test_memory_usage();
#endif

#ifndef CONFIG_DISABLE_PTHREAD
      /* Verify pthreads and pthread mutex */

      printf("\nuser_main: mutex test\n");
      mutex_test();
      check_test_memory_usage();
#endif

#if !defined(CONFIG_DISABLE_PTHREAD) && defined(CONFIG_MUTEX_TYPES)
      /* Verify recursive mutexes */

      printf("\nuser_main: recursive mutex test\n");
      recursive_mutex_test();
      check_test_memory_usage();
#endif

#ifndef CONFIG_DISABLE_PTHREAD
      /* Verify pthread cancellation */

      printf("\nuser_main: cancel test\n");
      cancel_test();
      check_test_memory_usage();
#endif

#ifndef CONFIG_DISABLE_PTHREAD
      /* Verify pthreads and semaphores */

      printf("\nuser_main: semaphore test\n");
      sem_test();
      check_test_memory_usage();
#endif

#ifndef CONFIG_DISABLE_PTHREAD
    /* Verify pthreads and condition variables */

      printf("\nuser_main: condition variable test\n");
#ifdef CONFIG_PRIORITY_INHERITANCE
      printf("\n           Skipping, Test logic incompatible with priority inheritance\n");
#else
      cond_test();
      check_test_memory_usage();
#endif
#endif

#if !defined(CONFIG_DISABLE_SIGNALS) && !defined(CONFIG_DISABLE_PTHREAD)
      /* Verify pthreads and condition variable timed waits */

      printf("\nuser_main: timed wait test\n");
      timedwait_test();
      check_test_memory_usage();
#endif

#if !defined(CONFIG_DISABLE_MQUEUE) && !defined(CONFIG_DISABLE_PTHREAD)
      /* Verify pthreads and message queues */

      printf("\nuser_main: message queue test\n");
      mqueue_test();
      check_test_memory_usage();
#endif

#if !defined(CONFIG_DISABLE_MQUEUE) && !defined(CONFIG_DISABLE_PTHREAD)
      /* Verify pthreads and message queues */

      printf("\nuser_main: timed message queue test\n");
      timedmqueue_test();
      check_test_memory_usage();
#endif

#ifndef CONFIG_DISABLE_SIGNALS
      /* Verify signal handlers */

      printf("\nuser_main: signal handler test\n");
      sighand_test();
      check_test_memory_usage();
#endif

#if !defined(CONFIG_DISABLE_POSIX_TIMERS) && !defined(CONFIG_DISABLE_SIGNALS)
      /* Verify posix timers */

      printf("\nuser_main: POSIX timer test\n");
      timer_test();
      check_test_memory_usage();
#endif

#if !defined(CONFIG_DISABLE_PTHREAD) && CONFIG_RR_INTERVAL > 0
      /* Verify round robin scheduling */

      printf("\nuser_main: round-robin scheduler test\n");
      rr_test();
      check_test_memory_usage();
#endif

#ifndef CONFIG_DISABLE_PTHREAD
      /* Verify pthread barriers */

      printf("\nuser_main: barrier test\n");
      barrier_test();
      check_test_memory_usage();
#endif

#if defined(CONFIG_PRIORITY_INHERITANCE) && !defined(CONFIG_DISABLE_SIGNALS) && !defined(CONFIG_DISABLE_PTHREAD)
      /* Verify priority inheritance */

      printf("\nuser_main: priority inheritance test\n");
      priority_inheritance();
      check_test_memory_usage();
#endif /* CONFIG_PRIORITY_INHERITANCE && !CONFIG_DISABLE_SIGNALS && !CONFIG_DISABLE_PTHREAD */

#if defined(CONFIG_ARCH_HAVE_VFORK) && defined(CONFIG_SCHED_WAITPID) && \
   !defined(CONFIG_DISABLE_SIGNALS)
      printf("\nuser_main: vfork() test\n");
      vfork_test();
#endif

      /* Compare memory usage at time ostest_main started until
       * user_main exits.  These should not be identical, but should
       * be similar enough that we can detect any serious OS memory
       * leaks.
       */

#ifndef CONFIG_DISABLE_SIGNALS
      usleep(HALF_SECOND_USEC);

#ifdef CONFIG_CAN_PASS_STRUCTS
      g_mmafter = mallinfo();
#else
      (void)mallinfo(&g_mmafter);
#endif

      printf("\nFinal memory usage:\n");
      show_memory_usage(&g_mmbefore, &g_mmafter);
#endif
    }

  printf("user_main: Exitting\n");
  return 0;
}