mirror of
				https://sourceware.org/git/glibc.git
				synced 2025-11-03 20:53:13 +03:00 
			
		
		
		
	
		
			
				
	
	
		
			422 lines
		
	
	
		
			9.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			422 lines
		
	
	
		
			9.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* pthread_getattr_np test.
 | 
						|
   Copyright (C) 2003, 2004, 2010 Free Software Foundation, Inc.
 | 
						|
   This file is part of the GNU C Library.
 | 
						|
   Contributed by Jakub Jelinek <jakub@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 <error.h>
 | 
						|
#include <pthread.h>
 | 
						|
#include <stdio.h>
 | 
						|
#include <stdlib.h>
 | 
						|
#include <string.h>
 | 
						|
#include <unistd.h>
 | 
						|
 | 
						|
#include <stackinfo.h>
 | 
						|
 | 
						|
static void *
 | 
						|
tf (void *arg)
 | 
						|
{
 | 
						|
  pthread_attr_t a, *ap, a2;
 | 
						|
  int err;
 | 
						|
  void *result = NULL;
 | 
						|
 | 
						|
  if (arg == NULL)
 | 
						|
    {
 | 
						|
      ap = &a2;
 | 
						|
      err = pthread_attr_init (ap);
 | 
						|
      if (err)
 | 
						|
	{
 | 
						|
	  error (0, err, "pthread_attr_init failed");
 | 
						|
	  return tf;
 | 
						|
	}
 | 
						|
    }
 | 
						|
  else
 | 
						|
    ap = (pthread_attr_t *) arg;
 | 
						|
 | 
						|
  err = pthread_getattr_np (pthread_self (), &a);
 | 
						|
  if (err)
 | 
						|
    {
 | 
						|
      error (0, err, "pthread_getattr_np failed");
 | 
						|
      result = tf;
 | 
						|
    }
 | 
						|
 | 
						|
  int detachstate1, detachstate2;
 | 
						|
  err = pthread_attr_getdetachstate (&a, &detachstate1);
 | 
						|
  if (err)
 | 
						|
    {
 | 
						|
      error (0, err, "pthread_attr_getdetachstate failed");
 | 
						|
      result = tf;
 | 
						|
    }
 | 
						|
  else
 | 
						|
    {
 | 
						|
      err = pthread_attr_getdetachstate (ap, &detachstate2);
 | 
						|
      if (err)
 | 
						|
	{
 | 
						|
	  error (0, err, "pthread_attr_getdetachstate failed");
 | 
						|
	  result = tf;
 | 
						|
	}
 | 
						|
      else if (detachstate1 != detachstate2)
 | 
						|
	{
 | 
						|
	  error (0, 0, "detachstate differs %d != %d",
 | 
						|
		 detachstate1, detachstate2);
 | 
						|
	  result = tf;
 | 
						|
	}
 | 
						|
    }
 | 
						|
 | 
						|
  void *stackaddr;
 | 
						|
  size_t stacksize;
 | 
						|
  err = pthread_attr_getstack (&a, &stackaddr, &stacksize);
 | 
						|
  if (err)
 | 
						|
    {
 | 
						|
      error (0, err, "pthread_attr_getstack failed");
 | 
						|
      result = tf;
 | 
						|
    }
 | 
						|
  else if ((void *) &a < stackaddr
 | 
						|
	   || (void *) &a >= stackaddr + stacksize)
 | 
						|
    {
 | 
						|
      error (0, 0, "pthread_attr_getstack returned range does not cover thread's stack");
 | 
						|
      result = tf;
 | 
						|
    }
 | 
						|
  else
 | 
						|
    printf ("thread stack %p-%p (0x%zx)\n", stackaddr, stackaddr + stacksize,
 | 
						|
	    stacksize);
 | 
						|
 | 
						|
  size_t guardsize1, guardsize2;
 | 
						|
  err = pthread_attr_getguardsize (&a, &guardsize1);
 | 
						|
  if (err)
 | 
						|
    {
 | 
						|
      error (0, err, "pthread_attr_getguardsize failed");
 | 
						|
      result = tf;
 | 
						|
    }
 | 
						|
  else
 | 
						|
    {
 | 
						|
      err = pthread_attr_getguardsize (ap, &guardsize2);
 | 
						|
      if (err)
 | 
						|
	{
 | 
						|
	  error (0, err, "pthread_attr_getguardsize failed");
 | 
						|
	  result = tf;
 | 
						|
	}
 | 
						|
      else if (guardsize1 != guardsize2)
 | 
						|
	{
 | 
						|
	  error (0, 0, "guardsize differs %zd != %zd",
 | 
						|
		 guardsize1, guardsize2);
 | 
						|
	  result = tf;
 | 
						|
	}
 | 
						|
      else
 | 
						|
	printf ("thread guardsize %zd\n", guardsize1);
 | 
						|
    }
 | 
						|
 | 
						|
  int scope1, scope2;
 | 
						|
  err = pthread_attr_getscope (&a, &scope1);
 | 
						|
  if (err)
 | 
						|
    {
 | 
						|
      error (0, err, "pthread_attr_getscope failed");
 | 
						|
      result = tf;
 | 
						|
    }
 | 
						|
  else
 | 
						|
    {
 | 
						|
      err = pthread_attr_getscope (ap, &scope2);
 | 
						|
      if (err)
 | 
						|
	{
 | 
						|
	  error (0, err, "pthread_attr_getscope failed");
 | 
						|
	  result = tf;
 | 
						|
	}
 | 
						|
      else if (scope1 != scope2)
 | 
						|
	{
 | 
						|
	  error (0, 0, "scope differs %d != %d",
 | 
						|
		 scope1, scope2);
 | 
						|
	  result = tf;
 | 
						|
	}
 | 
						|
    }
 | 
						|
 | 
						|
  int inheritsched1, inheritsched2;
 | 
						|
  err = pthread_attr_getinheritsched (&a, &inheritsched1);
 | 
						|
  if (err)
 | 
						|
    {
 | 
						|
      error (0, err, "pthread_attr_getinheritsched failed");
 | 
						|
      result = tf;
 | 
						|
    }
 | 
						|
  else
 | 
						|
    {
 | 
						|
      err = pthread_attr_getinheritsched (ap, &inheritsched2);
 | 
						|
      if (err)
 | 
						|
	{
 | 
						|
	  error (0, err, "pthread_attr_getinheritsched failed");
 | 
						|
	  result = tf;
 | 
						|
	}
 | 
						|
      else if (inheritsched1 != inheritsched2)
 | 
						|
	{
 | 
						|
	  error (0, 0, "inheritsched differs %d != %d",
 | 
						|
		 inheritsched1, inheritsched2);
 | 
						|
	  result = tf;
 | 
						|
	}
 | 
						|
    }
 | 
						|
 | 
						|
  cpu_set_t c1, c2;
 | 
						|
  err = pthread_getaffinity_np (pthread_self (), sizeof (c1), &c1);
 | 
						|
  if (err == 0)
 | 
						|
    {
 | 
						|
      err = pthread_attr_getaffinity_np (&a, sizeof (c2), &c2);
 | 
						|
      if (err)
 | 
						|
	{
 | 
						|
	  error (0, err, "pthread_attr_getaffinity_np failed");
 | 
						|
	  result = tf;
 | 
						|
	}
 | 
						|
      else if (memcmp (&c1, &c2, sizeof (c1)))
 | 
						|
	{
 | 
						|
	  error (0, 0, "pthread_attr_getaffinity_np returned different CPU mask than pthread_getattr_np");
 | 
						|
	  result = tf;
 | 
						|
	}
 | 
						|
    }
 | 
						|
 | 
						|
  err = pthread_attr_destroy (&a);
 | 
						|
  if (err)
 | 
						|
    {
 | 
						|
      error (0, err, "pthread_attr_destroy failed");
 | 
						|
      result = tf;
 | 
						|
    }
 | 
						|
 | 
						|
  if (ap == &a2)
 | 
						|
    {
 | 
						|
      err = pthread_attr_destroy (ap);
 | 
						|
      if (err)
 | 
						|
	{
 | 
						|
	  error (0, err, "pthread_attr_destroy failed");
 | 
						|
	  result = tf;
 | 
						|
	}
 | 
						|
    }
 | 
						|
 | 
						|
  return result;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
static int
 | 
						|
do_test (void)
 | 
						|
{
 | 
						|
  int result = 0;
 | 
						|
  pthread_attr_t a;
 | 
						|
  cpu_set_t c1, c2;
 | 
						|
 | 
						|
  int err = pthread_attr_init (&a);
 | 
						|
  if (err)
 | 
						|
    {
 | 
						|
      error (0, err, "pthread_attr_init failed");
 | 
						|
      result = 1;
 | 
						|
    }
 | 
						|
 | 
						|
  err = pthread_attr_getaffinity_np (&a, sizeof (c1), &c1);
 | 
						|
  if (err && err != ENOSYS)
 | 
						|
    {
 | 
						|
      error (0, err, "pthread_attr_getaffinity_np failed");
 | 
						|
      result = 1;
 | 
						|
    }
 | 
						|
 | 
						|
  err = pthread_attr_destroy (&a);
 | 
						|
  if (err)
 | 
						|
    {
 | 
						|
      error (0, err, "pthread_attr_destroy failed");
 | 
						|
      result = 1;
 | 
						|
    }
 | 
						|
 | 
						|
  err = pthread_getattr_np (pthread_self (), &a);
 | 
						|
  if (err)
 | 
						|
    {
 | 
						|
      error (0, err, "pthread_getattr_np failed");
 | 
						|
      result = 1;
 | 
						|
    }
 | 
						|
 | 
						|
  int detachstate;
 | 
						|
  err = pthread_attr_getdetachstate (&a, &detachstate);
 | 
						|
  if (err)
 | 
						|
    {
 | 
						|
      error (0, err, "pthread_attr_getdetachstate failed");
 | 
						|
      result = 1;
 | 
						|
    }
 | 
						|
  else if (detachstate != PTHREAD_CREATE_JOINABLE)
 | 
						|
    {
 | 
						|
      error (0, 0, "initial thread not joinable");
 | 
						|
      result = 1;
 | 
						|
    }
 | 
						|
 | 
						|
  void *stackaddr;
 | 
						|
  size_t stacksize;
 | 
						|
  err = pthread_attr_getstack (&a, &stackaddr, &stacksize);
 | 
						|
  if (err)
 | 
						|
    {
 | 
						|
      error (0, err, "pthread_attr_getstack failed");
 | 
						|
      result = 1;
 | 
						|
    }
 | 
						|
  else if ((void *) &a < stackaddr
 | 
						|
	   || (void *) &a >= stackaddr + stacksize)
 | 
						|
    {
 | 
						|
      error (0, 0, "pthread_attr_getstack returned range does not cover main's stack");
 | 
						|
      result = 1;
 | 
						|
    }
 | 
						|
  else
 | 
						|
    printf ("initial thread stack %p-%p (0x%zx)\n", stackaddr,
 | 
						|
	    stackaddr + stacksize, stacksize);
 | 
						|
 | 
						|
  size_t guardsize;
 | 
						|
  err = pthread_attr_getguardsize (&a, &guardsize);
 | 
						|
  if (err)
 | 
						|
    {
 | 
						|
      error (0, err, "pthread_attr_getguardsize failed");
 | 
						|
      result = 1;
 | 
						|
    }
 | 
						|
  else if (guardsize != 0)
 | 
						|
    {
 | 
						|
      error (0, 0, "pthread_attr_getguardsize returned %zd != 0",
 | 
						|
	     guardsize);
 | 
						|
      result = 1;
 | 
						|
    }
 | 
						|
 | 
						|
  int scope;
 | 
						|
  err = pthread_attr_getscope (&a, &scope);
 | 
						|
  if (err)
 | 
						|
    {
 | 
						|
      error (0, err, "pthread_attr_getscope failed");
 | 
						|
      result = 1;
 | 
						|
    }
 | 
						|
  else if (scope != PTHREAD_SCOPE_SYSTEM)
 | 
						|
    {
 | 
						|
      error (0, 0, "pthread_attr_getscope returned %d != PTHREAD_SCOPE_SYSTEM",
 | 
						|
	     scope);
 | 
						|
      result = 1;
 | 
						|
    }
 | 
						|
 | 
						|
  int inheritsched;
 | 
						|
  err = pthread_attr_getinheritsched (&a, &inheritsched);
 | 
						|
  if (err)
 | 
						|
    {
 | 
						|
      error (0, err, "pthread_attr_getinheritsched failed");
 | 
						|
      result = 1;
 | 
						|
    }
 | 
						|
  else if (inheritsched != PTHREAD_INHERIT_SCHED)
 | 
						|
    {
 | 
						|
      error (0, 0, "pthread_attr_getinheritsched returned %d != PTHREAD_INHERIT_SCHED",
 | 
						|
	     inheritsched);
 | 
						|
      result = 1;
 | 
						|
    }
 | 
						|
 | 
						|
  err = pthread_getaffinity_np (pthread_self (), sizeof (c1), &c1);
 | 
						|
  if (err == 0)
 | 
						|
    {
 | 
						|
      err = pthread_attr_getaffinity_np (&a, sizeof (c2), &c2);
 | 
						|
      if (err)
 | 
						|
	{
 | 
						|
	  error (0, err, "pthread_attr_getaffinity_np failed");
 | 
						|
	  result = 1;
 | 
						|
	}
 | 
						|
      else if (memcmp (&c1, &c2, sizeof (c1)))
 | 
						|
	{
 | 
						|
	  error (0, 0, "pthread_attr_getaffinity_np returned different CPU mask than pthread_getattr_np");
 | 
						|
	  result = 1;
 | 
						|
	}
 | 
						|
    }
 | 
						|
 | 
						|
  err = pthread_attr_destroy (&a);
 | 
						|
  if (err)
 | 
						|
    {
 | 
						|
      error (0, err, "pthread_attr_destroy failed");
 | 
						|
      result = 1;
 | 
						|
    }
 | 
						|
 | 
						|
  pthread_t th;
 | 
						|
  err = pthread_create (&th, NULL, tf, NULL);
 | 
						|
  if (err)
 | 
						|
    {
 | 
						|
      error (0, err, "pthread_create #1 failed");
 | 
						|
      result = 1;
 | 
						|
    }
 | 
						|
  else
 | 
						|
    {
 | 
						|
      void *ret;
 | 
						|
      err = pthread_join (th, &ret);
 | 
						|
      if (err)
 | 
						|
	{
 | 
						|
	  error (0, err, "pthread_join #1 failed");
 | 
						|
	  result = 1;
 | 
						|
	}
 | 
						|
      else if (ret != NULL)
 | 
						|
	result = 1;
 | 
						|
    }
 | 
						|
 | 
						|
  err = pthread_attr_init (&a);
 | 
						|
  if (err)
 | 
						|
    {
 | 
						|
      error (0, err, "pthread_attr_init failed");
 | 
						|
      result = 1;
 | 
						|
    }
 | 
						|
 | 
						|
  err = pthread_create (&th, &a, tf, &a);
 | 
						|
  if (err)
 | 
						|
    {
 | 
						|
      error (0, err, "pthread_create #2 failed");
 | 
						|
      result = 1;
 | 
						|
    }
 | 
						|
  else
 | 
						|
    {
 | 
						|
      void *ret;
 | 
						|
      err = pthread_join (th, &ret);
 | 
						|
      if (err)
 | 
						|
	{
 | 
						|
	  error (0, err, "pthread_join #2 failed");
 | 
						|
	  result = 1;
 | 
						|
	}
 | 
						|
      else if (ret != NULL)
 | 
						|
	result = 1;
 | 
						|
    }
 | 
						|
 | 
						|
  err = pthread_attr_setguardsize (&a, 16 * sysconf (_SC_PAGESIZE));
 | 
						|
  if (err)
 | 
						|
    {
 | 
						|
      error (0, err, "pthread_attr_setguardsize failed");
 | 
						|
      result = 1;
 | 
						|
    }
 | 
						|
 | 
						|
  err = pthread_create (&th, &a, tf, &a);
 | 
						|
  if (err)
 | 
						|
    {
 | 
						|
      error (0, err, "pthread_create #3 failed");
 | 
						|
      result = 1;
 | 
						|
    }
 | 
						|
  else
 | 
						|
    {
 | 
						|
      void *ret;
 | 
						|
      err = pthread_join (th, &ret);
 | 
						|
      if (err)
 | 
						|
	{
 | 
						|
	  error (0, err, "pthread_join #3 failed");
 | 
						|
	  result = 1;
 | 
						|
	}
 | 
						|
      else if (ret != NULL)
 | 
						|
	result = 1;
 | 
						|
    }
 | 
						|
 | 
						|
  err = pthread_attr_destroy (&a);
 | 
						|
  if (err)
 | 
						|
    {
 | 
						|
      error (0, err, "pthread_attr_destroy failed");
 | 
						|
      result = 1;
 | 
						|
    }
 | 
						|
 | 
						|
  return result;
 | 
						|
}
 | 
						|
 | 
						|
#define TEST_FUNCTION do_test ()
 | 
						|
#include "../test-skeleton.c"
 |