glibc/elf/reldep7.c

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#include <dlfcn.h>
#include <stdio.h>
#include <stdlib.h>
int
main (void)
{
void *h1;
void *h2;
void *mod1_bar, *mod2_bar;
h1 = dlopen ("reldep7mod1.so", RTLD_GLOBAL | RTLD_LAZY);
if (h1 == NULL)
{
printf ("cannot open reldep7mod1.so: %s\n", dlerror ());
exit (1);
}
h2 = dlopen ("reldep7mod2.so", RTLD_GLOBAL | RTLD_LAZY);
if (h2 == NULL)
{
printf ("cannot open reldep7mod1.so: %s\n", dlerror ());
exit (1);
}
mod1_bar = dlsym (h1, "mod1_bar");
if (mod1_bar == NULL)
{
printf ("cannot get address of \"mod1_bar\": %s\n", dlerror ());
exit (1);
}
mod2_bar = dlsym (h2, "mod2_bar");
if (mod2_bar == NULL)
{
printf ("cannot get address of \"mod2_bar\": %s\n", dlerror ());
exit (1);
}
printf ("%d\n", ((int (*) (void)) mod1_bar) ());
printf ("%d\n", ((int (*) (void)) mod2_bar) ());
if (dlclose (h1) != 0)
{
printf ("closing h1 failed: %s\n", dlerror ());
exit (1);
}
printf ("%d\n", ((int (*) (void)) mod2_bar) ());
if (dlclose (h2) != 0)
{
printf ("closing h2 failed: %s\n", dlerror ());
exit (1);
}
return 0;
}