glibc/elf/tst-tlsmod3.c

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#include <stdio.h>
extern int in_dso (int n, int *caller_foop);
extern __thread int foo;
__thread int 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. */
asm ("" ::: "memory");
foop = &foo;
np = &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;
}