mirror of git://sourceware.org/git/glibc.git
				
				
				
			
		
			
				
	
	
		
			174 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			174 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C
		
	
	
	
/* Copyright (C) 2003-2019 Free Software Foundation, Inc.
 | 
						|
   This file is part of the GNU C Library.
 | 
						|
   Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
 | 
						|
 | 
						|
   The GNU C Library is free software; you can redistribute it and/or
 | 
						|
   modify it under the terms of the GNU Lesser General Public
 | 
						|
   License as published by the Free Software Foundation; either
 | 
						|
   version 2.1 of the License, or (at your option) any later version.
 | 
						|
 | 
						|
   The GNU C Library is distributed in the hope that it will be useful,
 | 
						|
   but WITHOUT ANY WARRANTY; without even the implied warranty of
 | 
						|
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 | 
						|
   Lesser General Public License for more details.
 | 
						|
 | 
						|
   You should have received a copy of the GNU Lesser General Public
 | 
						|
   License along with the GNU C Library; if not, see
 | 
						|
   <http://www.gnu.org/licenses/>.  */
 | 
						|
 | 
						|
#include <errno.h>
 | 
						|
#include <pthread.h>
 | 
						|
#include <stdio.h>
 | 
						|
#include <stdlib.h>
 | 
						|
#include <time.h>
 | 
						|
#include <unistd.h>
 | 
						|
 | 
						|
 | 
						|
static pthread_barrier_t b;
 | 
						|
 | 
						|
 | 
						|
/* Cleanup handling test.  */
 | 
						|
static int cl_called;
 | 
						|
 | 
						|
static void
 | 
						|
cl (void *arg)
 | 
						|
{
 | 
						|
  ++cl_called;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
static void *
 | 
						|
tf (void *arg)
 | 
						|
{
 | 
						|
  int r = pthread_barrier_wait (&b);
 | 
						|
  if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
 | 
						|
    {
 | 
						|
      puts ("barrier_wait failed");
 | 
						|
      exit (1);
 | 
						|
    }
 | 
						|
 | 
						|
  pthread_cleanup_push (cl, NULL);
 | 
						|
 | 
						|
  struct timespec ts = { .tv_sec = arg == NULL ? 10000000 : 0, .tv_nsec = 0 };
 | 
						|
  TEMP_FAILURE_RETRY (clock_nanosleep (CLOCK_REALTIME, 0, &ts, &ts));
 | 
						|
 | 
						|
  pthread_cleanup_pop (0);
 | 
						|
 | 
						|
  puts ("clock_nanosleep returned");
 | 
						|
 | 
						|
  exit (1);
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
static int
 | 
						|
do_test (void)
 | 
						|
{
 | 
						|
  if (pthread_barrier_init (&b, NULL, 2) != 0)
 | 
						|
    {
 | 
						|
      puts ("barrier_init failed");
 | 
						|
      return 1;
 | 
						|
    }
 | 
						|
 | 
						|
  pthread_t th;
 | 
						|
  if (pthread_create (&th, NULL, tf, NULL) != 0)
 | 
						|
    {
 | 
						|
      puts ("1st create failed");
 | 
						|
      return 1;
 | 
						|
    }
 | 
						|
 | 
						|
  int r = pthread_barrier_wait (&b);
 | 
						|
  if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
 | 
						|
    {
 | 
						|
      puts ("barrier_wait failed");
 | 
						|
      exit (1);
 | 
						|
    }
 | 
						|
 | 
						|
  struct timespec  ts = { .tv_sec = 0, .tv_nsec = 100000000 };
 | 
						|
  while (nanosleep (&ts, &ts) != 0)
 | 
						|
    continue;
 | 
						|
 | 
						|
  puts ("going to cancel in-time");
 | 
						|
  if (pthread_cancel (th) != 0)
 | 
						|
    {
 | 
						|
      puts ("1st cancel failed");
 | 
						|
      return 1;
 | 
						|
    }
 | 
						|
 | 
						|
  void *status;
 | 
						|
  if (pthread_join (th, &status) != 0)
 | 
						|
    {
 | 
						|
      puts ("1st join failed");
 | 
						|
      return 1;
 | 
						|
    }
 | 
						|
  if (status != PTHREAD_CANCELED)
 | 
						|
    {
 | 
						|
      puts ("1st thread not canceled");
 | 
						|
      return 1;
 | 
						|
    }
 | 
						|
 | 
						|
  if (cl_called == 0)
 | 
						|
    {
 | 
						|
      puts ("cleanup handler not called");
 | 
						|
      return 1;
 | 
						|
    }
 | 
						|
  if (cl_called > 1)
 | 
						|
    {
 | 
						|
      puts ("cleanup handler called more than once");
 | 
						|
      return 1;
 | 
						|
    }
 | 
						|
 | 
						|
  puts ("in-time cancellation succeeded");
 | 
						|
 | 
						|
 | 
						|
  cl_called = 0;
 | 
						|
 | 
						|
  if (pthread_create (&th, NULL, tf, NULL) != 0)
 | 
						|
    {
 | 
						|
      puts ("2nd create failed");
 | 
						|
      return 1;
 | 
						|
    }
 | 
						|
 | 
						|
  puts ("going to cancel early");
 | 
						|
  if (pthread_cancel (th) != 0)
 | 
						|
    {
 | 
						|
      puts ("2nd cancel failed");
 | 
						|
      return 1;
 | 
						|
    }
 | 
						|
 | 
						|
  r = pthread_barrier_wait (&b);
 | 
						|
  if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
 | 
						|
    {
 | 
						|
      puts ("barrier_wait failed");
 | 
						|
      exit (1);
 | 
						|
    }
 | 
						|
 | 
						|
  if (pthread_join (th, &status) != 0)
 | 
						|
    {
 | 
						|
      puts ("2nd join failed");
 | 
						|
      return 1;
 | 
						|
    }
 | 
						|
  if (status != PTHREAD_CANCELED)
 | 
						|
    {
 | 
						|
      puts ("2nd thread not canceled");
 | 
						|
      return 1;
 | 
						|
    }
 | 
						|
 | 
						|
  if (cl_called == 0)
 | 
						|
    {
 | 
						|
      printf ("cleanup handler not called\n");
 | 
						|
      return 1;
 | 
						|
    }
 | 
						|
  if (cl_called > 1)
 | 
						|
    {
 | 
						|
      printf ("cleanup handler called more than once\n");
 | 
						|
      return 1;
 | 
						|
    }
 | 
						|
 | 
						|
  puts ("early cancellation succeeded");
 | 
						|
 | 
						|
  return 0;
 | 
						|
}
 | 
						|
 | 
						|
#define TEST_FUNCTION do_test ()
 | 
						|
#include "../test-skeleton.c"
 |