5 #include "pthread_impl.h"
7 void __restore(), __restore_rt();
9 int __libc_sigaction(int sig, const struct sigaction *sa, struct sigaction *old)
14 void (*restorer)(void);
19 ksa.handler = sa->sa_handler;
20 ksa.flags = sa->sa_flags | SA_RESTORER;
21 ksa.restorer = (sa->sa_flags & SA_SIGINFO) ? __restore_rt : __restore;
22 ksa.mask = sa->sa_mask;
25 if (old) pkold = (long)&kold;
26 if (syscall4(__NR_rt_sigaction, sig, pksa, pkold, 8))
29 old->sa_handler = kold.handler;
30 old->sa_flags = kold.flags;
31 old->sa_mask = kold.mask;
36 int __sigaction(int sig, const struct sigaction *sa, struct sigaction *old)
38 if (sig == SIGCANCEL || sig == SIGSYSCALL) {
42 return __libc_sigaction(sig, sa, old);
45 weak_alias(__sigaction, sigaction);