LINUX32__NSIG_BPW
#define LINUX32__NSIG_WORDS (LINUX32__NSIG / LINUX32__NSIG_BPW)
#define LINUX32__NSIG_WORDS (LINUX32__NSIG / LINUX32__NSIG_BPW)
#define linux32_sigismember(s, n) ((s)->sig[((n) - 1) / LINUX32__NSIG_BPW] \
& (1 << ((n) - 1) % LINUX32__NSIG_BPW))
#define linux32_sigaddset(s, n) ((s)->sig[((n) - 1) / LINUX32__NSIG_BPW] \
|= (1 << ((n) - 1) % LINUX32__NSIG_BPW))