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#include <dlfcn.h>
#include <mcheck.h>
#include <stdio.h>
#include <stdlib.h>
int
main (void)
{
void *h1;
void *h2;
int (*fp) (void);
mtrace ();
/* Open the two objects. */
h1 = dlopen ("reldepmod5.so", RTLD_LAZY);
if (h1 == NULL)
{
printf ("cannot open reldepmod5.so: %s\n", dlerror ());
exit (1);
}
h2 = dlopen ("reldepmod6.so", RTLD_LAZY);
if (h2 == NULL)
{
printf ("cannot open reldepmod6.so: %s\n", dlerror ());
exit (1);
}
/* Get the address of the variable in reldepmod1.so. */
fp = dlsym (h2, "bar");
if (fp == NULL)
{
printf ("cannot get address of \"bar\": %s\n", dlerror ());
exit (1);
}
/* Call the function. */
puts ("calling fp for the first time");
if (fp () != 0)
{
puts ("function \"call_me\" returned wrong result");
exit (1);
}
/* Now close the first object. It must still be around since we have
an implicit dependency. */
if (dlclose (h1) != 0)
{
printf ("closing h1 failed: %s\n", dlerror ());
exit (1);
}
/* Calling the function must still work. */
puts ("calling fp for the second time");
if (fp () != 0)
{
puts ("function \"call_me\" the second time returned wrong result");
exit (1);
}
puts ("second call succeeded as well");
/* Close the second object, we are done. */
if (dlclose (h2) != 0)
{
printf ("closing h2 failed: %s\n", dlerror ());
exit (1);
}
return 0;
}
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