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glibc  2.9
Defines | Functions | Variables
tst-stack1.c File Reference
#include <limits.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/param.h>
#include <unistd.h>
#include "../test-skeleton.c"

Go to the source code of this file.

Defines

#define TEST_FUNCTION   do_test ()

Functions

static void * tf (void *a)
int do_test (void)

Variables

static void * stack
static size_t size

Define Documentation

#define TEST_FUNCTION   do_test ()

Definition at line 145 of file tst-stack1.c.


Function Documentation

int do_test ( void  )

Definition at line 75 of file tst-stack1.c.

{
  int result = 0;

  size = MAX (4 * getpagesize (), PTHREAD_STACK_MIN);
  if (posix_memalign (&stack, getpagesize (), size) != 0)
    {
      puts ("out of memory while allocating the stack memory");
      exit (1);
    }

  pthread_attr_t attr;
  if (pthread_attr_init (&attr) != 0)
    {
      puts ("attr_init failed");
      exit (1);
    }

  puts ("attr_setstack");
  if (pthread_attr_setstack (&attr, stack, size) != 0)
    {
      puts ("attr_setstack failed");
      exit (1);
    }

  size_t test_size;
  void *test_stack;
  puts ("attr_getstack");
  if (pthread_attr_getstack (&attr, &test_stack, &test_size) != 0)
    {
      puts ("attr_getstack failed");
      exit (1);
    }

  if (test_size != size)
    {
      printf ("reported size differs: is %zu, expected %zu\n",
             test_size, size);
      result = 1;
    }

  if (test_stack != stack)
    {
      printf ("reported stack address differs: is %p, expected %p\n",
             test_stack, stack);
      result = 1;
    }

  puts ("create");

  pthread_t th;
  if (pthread_create (&th, &attr, tf, NULL) != 0)
    {
      puts ("failed to create thread");
      exit (1);
    }

  void *status;
  if (pthread_join (th, &status) != 0)
    {
      puts ("join failed");
      exit (1);
    }

  result |= status != NULL;

  return result;
}

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static void* tf ( void *  a) [static]

Definition at line 33 of file tst-stack1.c.

{
  int result = 0;

  puts ("child start");

  pthread_attr_t attr;
  if (pthread_getattr_np (pthread_self (), &attr) != 0)
    {
      puts ("getattr_np failed");
      exit (1);
    }

  size_t test_size;
  void *test_stack;
  if (pthread_attr_getstack (&attr, &test_stack, &test_size) != 0)
    {
      puts ("attr_getstack failed");
      exit (1);
    }

  if (test_size != size)
    {
      printf ("child: reported size differs: is %zu, expected %zu\n",
             test_size, size);
      result = 1;
    }

  if (test_stack != stack)
    {
      printf ("child: reported stack address differs: is %p, expected %p\n",
             test_stack, stack);
      result = 1;
    }

  puts ("child OK");

  return result ? (void *) 1l : NULL;
}

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Variable Documentation

size_t size [static]

Definition at line 29 of file tst-stack1.c.

void* stack [static]

Definition at line 28 of file tst-stack1.c.