#include "syscall.h"
int pthread_sigmask(int how, const sigset_t *restrict set, sigset_t *restrict old)
{
int ret;
if ((unsigned)how - SIG_BLOCK > 2U) return EINVAL;
#include "syscall.h"
int pthread_sigmask(int how, const sigset_t *restrict set, sigset_t *restrict old)
{
int ret;
if ((unsigned)how - SIG_BLOCK > 2U) return EINVAL;