glibc/elf/ltglobmod2.c

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#include <dlfcn.h>
#include <stdio.h>
#include <stdlib.h>
extern int bar (void);
int
foo (void)
{
void *h;
int res;
/* Load ltglobalmod1 in the global namespace. */
h = dlopen ("ltglobmod1.so", RTLD_GLOBAL | RTLD_LAZY);
if (h == NULL)
{
printf ("%s: cannot open %s: %s",
__FUNCTION__, "ltglobmod1.so", dlerror ());
exit (EXIT_FAILURE);
}
/* Call bar. This is undefined in the DSO. */
puts ("about to call `bar'");
fflush (stdout);
res = bar ();
printf ("bar returned %d\n", res);
dlclose (h);
return res != 42;
}