mirror of git://sourceware.org/git/glibc.git
71 lines
1.5 KiB
C
71 lines
1.5 KiB
C
#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 suceeded as well");
|
|
|
|
/* Close the second object, we are done. */
|
|
if (dlclose (h2) != 0)
|
|
{
|
|
printf ("closing h2 failed: %s\n", dlerror ());
|
|
exit (1);
|
|
}
|
|
|
|
return 0;
|
|
}
|