glibc/dlfcn/bug-atexit2.c

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/* Derived from a test case in
http://sourceware.org/bugzilla/show_bug.cgi?id=1158. */
#include <dlfcn.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
static int next = 3;
static void
f1 (void)
{
puts ("f1");
if (next-- != 1)
_exit (1);
}
static void
f2 (void)
{
puts ("f2");
if (next-- != 2)
_exit (1);
}
static void
f3 (void)
{
puts ("f3");
if (next-- != 3)
_exit (1);
}
static int
do_test (void)
{
atexit (f1);
void *dso = dlopen ("$ORIGIN/bug-atexit2-lib.so", RTLD_NOW);
void (*fn) (void) = (void (*) (void)) dlsym (dso, "foo");
fn ();
atexit (f2);
dlclose (dso);
atexit (f3);
return 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"