An obsolete weakness occurs when someone uses deprecated or obsolete functions when building a system. As a programming language evolves, some functions occasionally become obsolete.
These functions are considered obsolete on most systems, and very non-portable.
glibc-2.22/signal/raise.c
The highlighted line of code below is the trigger point of this particular Fedora 23 obsolete weakness.
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
<http://www.gnu.org/licenses/>. */
#include <signal.h>
#include <errno.h>
/* Raise the signal SIG. */
int
raise (sig)
int sig;
{
__set_errno (ENOSYS);
return -1;
}
weak_alias (raise, gsignal)
stub_warning (raise)
stub_warning (gsignal)