diff options
Diffstat (limited to 'stdlib/cxa_atexit.c')
| -rw-r--r-- | stdlib/cxa_atexit.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/stdlib/cxa_atexit.c b/stdlib/cxa_atexit.c index 6d65f7e..37b22d5 100644 --- a/stdlib/cxa_atexit.c +++ b/stdlib/cxa_atexit.c @@ -36,6 +36,10 @@ __internal_atexit (void (*func) (void *), void *arg, void *d, { struct exit_function *new; + /* As a QoI issue we detect NULL early with an assertion instead + of a SIGSEGV at program exit when the handler is run (bug 20544). */ + assert (func != NULL); + __libc_lock_lock (__exit_funcs_lock); new = __new_exitfn (listp); |