4 #include "pthread_impl.h"
6 int __libc_sigprocmask(int how, const sigset_t *set, sigset_t *old)
8 return syscall4(__NR_rt_sigprocmask, how, (long)set, (long)old, 8);
11 int __sigprocmask(int how, const sigset_t *set, sigset_t *old)
14 /* Disallow blocking thread control signals */
15 if (how != SIG_UNBLOCK) {
18 sigdelset(&tmp, SIGCANCEL);
19 sigdelset(&tmp, SIGSYSCALL);
21 return __libc_sigprocmask(how, set, old);
24 weak_alias(__sigprocmask, sigprocmask);
25 weak_alias(__sigprocmask, pthread_sigmask);