binutils-gdb/gdb/testsuite/gdb.threads/dlopen-libpthread.c

47 lines
1.1 KiB
C

/* This testcase is part of GDB, the GNU debugger.
Copyright 2011-2017 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <dlfcn.h>
#include <stddef.h>
#include <assert.h>
static const char *volatile filename;
static void
notify (void)
{
filename = NULL; /* notify-here */
}
int
main (void)
{
void *h;
void (*fp) (void (*) (void));
assert (filename != NULL);
h = dlopen (filename, RTLD_LAZY);
assert (h != NULL);
fp = dlsym (h, "f");
assert (fp != NULL);
fp (notify);
return 0;
}