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glibc  2.9
Functions
tst-tlsmod3.c File Reference
#include <stdio.h>
#include <tls.h>
#include "tls-macros.h"

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Functions

int in_dso (int n, int *caller_foop)
 COMMON_INT_DEF (comm_n)
int in_dso2 (void)

Function Documentation

COMMON_INT_DEF ( comm_n  )
int in_dso ( int  n,
int caller_foop 
)

Definition at line 12 of file tst-tlsmod2.c.

{
  int *foop;
  int result = 0;

  puts ("foo");                    /* Make sure PLT is used before macros.  */
  asm ("" ::: "memory");

  foop = TLS_GD (foo);

  if (caller_foop != NULL && foop != caller_foop)
    {
      printf ("callers address of foo differs: %p vs %p\n", caller_foop, foop);
      result = 1;
    }
  else if (*foop != n)
    {
      printf ("foo != %d\n", n);
      result = 1;
    }

  *foop = 16;

  return result;
}

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int in_dso2 ( void  )

Definition at line 15 of file tst-tlsmod3.c.

{
  int *foop;
  int result = 0;
  static int n;
  int *np;

  puts ("foo");                    /* Make sure PLT is used before macros.  */
  asm ("" ::: "memory");

  foop = TLS_GD (foo);
  np = TLS_GD (comm_n);

  if (n != *np)
    {
      printf ("n = %d != comm_n = %d\n", n, *np);
      result = 1;
    }

  result |= in_dso (*foop = 42 + n++, foop);

  *foop = 16;

  return result;
}

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