glibc/elf/unload7.c

40 lines
600 B
C

#include <dlfcn.h>
#include <stdio.h>
int
main (void)
{
void *h = dlopen ("$ORIGIN/unload7mod1.so", RTLD_LAZY);
if (h == NULL)
{
puts ("dlopen unload7mod1.so failed");
return 1;
}
int (*fn) (void);
fn = dlsym (h, "foo");
if (fn == NULL)
{
puts ("dlsym failed");
return 1;
}
int ret = 0;
if (fn () == 0)
++ret;
void *h2 = dlopen ("$ORIGIN/unload7mod2.so", RTLD_LAZY);
if (h2 == NULL)
{
puts ("dlopen unload7mod2.so failed");
return 1;
}
dlclose (h2);
if (fn () == 0)
++ret;
dlclose (h);
return ret;
}