#include <errno.h> | |
#include <signal.h> | |
#include "pthread_impl.h" | |
int pthread_sigmask(int how, const sigset_t* restrict set, sigset_t* restrict old) { | |
if ((unsigned)how - SIG_BLOCK > 2U) | |
return EINVAL; | |
if (old) { | |
if (sizeof old->__bits[0] == 8) { | |
old->__bits[0] &= ~0x380000000ULL; | |
} else { | |
old->__bits[0] &= ~0x80000000UL; | |
old->__bits[1] &= ~0x3UL; | |
} | |
} | |
return 0; | |
} |