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#include <dlfcn.h>
#include <stdio.h>
#include <malloc.h>
int
main (void)
{
#ifdef M_PERTURB
mallopt (M_PERTURB, 0xaa);
#endif
void *h;
int (*fn) (int);
h = dlopen ("unload4mod1.so", RTLD_LAZY);
if (h == NULL)
{
puts ("1st dlopen failed");
return 1;
}
fn = dlsym (h, "foo");
if (fn == NULL)
{
puts ("dlsym failed");
return 1;
}
int n = fn (10);
if (n != 28)
{
printf ("foo (10) returned %d != 28\n", n);
return 1;
}
dlclose (h);
h = dlopen ("unload4mod3.so", RTLD_LAZY);
fn = dlsym (h, "mod3fn2");
if (fn == NULL)
{
puts ("second dlsym failed");
return 1;
}
n = fn (10);
if (n != 22)
{
printf ("mod3fn2 (10) returned %d != 22\n", n);
return 1;
}
dlclose (h);
return 0;
}
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