diff options
Diffstat (limited to 'libc/signal')
| -rw-r--r-- | libc/signal/sigaction.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/libc/signal/sigaction.c b/libc/signal/sigaction.c index 256064725..0a0299831 100644 --- a/libc/signal/sigaction.c +++ b/libc/signal/sigaction.c @@ -25,6 +25,11 @@ int __libc_sigaction(int sig, const struct sigaction *act, struct sigaction *oact) { + if (unlikely (sig == SIGCANCEL || sig == SIGSETXID)) { + __set_errno (EINVAL); + return -1; + } + /* NB: kernel (as of 2.6.25) will return EINVAL * if sizeof(act->sa_mask) does not match kernel's sizeof(sigset_t). * Try to catch this problem at uclibc build time: */ @@ -48,6 +53,11 @@ __libc_sigaction(int sig, const struct sigaction *act, struct sigaction *oact) int result; struct old_kernel_sigaction kact, koact; + if (unlikely (sig == SIGCANCEL || sig == SIGSETXID)) { + __set_errno (EINVAL); + return -1; + } + if (act) { kact.k_sa_handler = act->sa_handler; kact.sa_mask = act->sa_mask.__val[0]; |