glibc/elf/tst-tlsmod3.c

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#include <stdio.h>
#include <tls.h>
#ifdef USE_TLS
# include "tls-macros.h"
extern int in_dso (int n, int *caller_foop);
COMMON_INT_DEF(comm_n);
int
in_dso2 (void)
{
int *foop;
int result = 0;
static int n;
int *np;
puts ("foo"); /* Make sure PLT is used before macros. */
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;
}
#endif