diff options
Diffstat (limited to 'libc/signal/sigaction.c')
| -rw-r--r-- | libc/signal/sigaction.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/libc/signal/sigaction.c b/libc/signal/sigaction.c index 96e3d938d..eb6b43a49 100644 --- a/libc/signal/sigaction.c +++ b/libc/signal/sigaction.c @@ -32,6 +32,12 @@ int __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oa int result; struct kernel_sigaction kact, koact; +#ifdef SIGCANCEL + if (sig == SIGCANCEL) { + __set_errno (EINVAL); + return -1; + } +#endif if (act) { kact.k_sa_handler = act->sa_handler; memcpy (&kact.sa_mask, &act->sa_mask, sizeof (kact.sa_mask)); @@ -43,7 +49,7 @@ int __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oa /* XXX The size argument hopefully will have to be changed to the real size of the user-level sigset_t. */ - result = __rt_sigaction(sig, act ? __ptrvalue (&kact) : NULL, + result = __syscall_rt_sigaction(sig, act ? __ptrvalue (&kact) : NULL, oact ? __ptrvalue (&koact) : NULL, _NSIG / 8); if (oact && result >= 0) { @@ -67,6 +73,12 @@ int __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oa int result; struct old_kernel_sigaction kact, koact; +#ifdef SIGCANCEL + if (sig == SIGCANCEL) { + __set_errno (EINVAL); + return -1; + } +#endif if (act) { kact.k_sa_handler = act->sa_handler; kact.sa_mask = act->sa_mask.__val[0]; @@ -75,7 +87,7 @@ int __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oa kact.sa_restorer = act->sa_restorer; # endif } - result = __sigaction(sig, act ? __ptrvalue (&kact) : NULL, + result = __syscall_sigaction(sig, act ? __ptrvalue (&kact) : NULL, oact ? __ptrvalue (&koact) : NULL); if (oact && result >= 0) { |