mirror of git://sourceware.org/git/glibc.git
56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
/* Module calling dlopen (NULL, RTLD_LAZY) to obtain the global scope.
|
|
Copyright (C) 2024 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <dlfcn.h>
|
|
#include <stddef.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
int mod1_status;
|
|
|
|
static void __attribute__ ((constructor))
|
|
init (void)
|
|
{
|
|
puts ("info: tst-dlopen-constructor-null-mod1.so constructor");
|
|
|
|
void *handle = dlopen (NULL, RTLD_LAZY);
|
|
if (handle == NULL)
|
|
{
|
|
printf ("error: %s\n", dlerror ());
|
|
exit (1);
|
|
}
|
|
puts ("info: dlopen returned");
|
|
if (dlsym (handle, "malloc") != malloc)
|
|
{
|
|
puts ("error: dlsym did not produce expected result");
|
|
exit (1);
|
|
}
|
|
dlclose (handle);
|
|
|
|
/* Check that the second module's constructor has not executed. */
|
|
if (getenv ("mod2_status") != NULL)
|
|
{
|
|
printf ("error: mod2_status environment variable set: %s\n",
|
|
getenv ("mod2_status"));
|
|
exit (1);
|
|
}
|
|
|
|
/* Communicate to the second module that the constructor executed. */
|
|
mod1_status = 1;
|
|
}
|