sigblock
mask = sigblock(sigmask(SIGINT));
sigsetmask(sigblock(0) & ~BIT(SIGTSTP));
int sigblock(int);
return sigpause(sigblock(0L));
if (curthread->sigblock > 0) {
curthread->sigblock++;
curthread->sigblock++;
if (--curthread->sigblock == 0)
int sigblock;
omask = sigblock(sigmask(SIGINT)|sigmask(SIGQUIT)|sigmask(SIGHUP));
omask = sigblock(sigmask(SIGHUP));
omask = sigblock(sigmask(SIGHUP)); /* prevent reconfig's */
omask = sigblock(sigmask(SIGHUP));
omask = sigblock(sigmask(SIGHUP)|sigmask(SIGUSR1)|sigmask(SIGUSR2));
omask = sigblock(sigmask(SIGINT)|sigmask(SIGHUP));
omask = sigblock(sigmask(SIGINT) | sigmask(SIGHUP));
omask = sigblock(sigmask(SIGINT)|sigmask(SIGQUIT)|sigmask(SIGHUP));
omask = sigblock(sigmask(SIGINT)|sigmask(SIGQUIT)|sigmask(SIGHUP));
omask = sigblock(sigmask(SIGUSR1));
sigblock(sigmask(SIGALRM)|sigmask(SIGIO)|sigmask(SIGUSR1)|
sigblock(sigmask(SIGALRM)|sigmask(SIGIO)|sigmask(SIGQUIT)|
omask = sigblock(sigmask(SIGALRM));
omask = sigblock(sigmask(SIGALRM));
omask = sigblock(sigmask(SIGCHLD));
oldmask = sigblock(sigmask(SIGALRM));
omask = sigblock(sigmask(SIGALRM));
oldmask = sigblock(mask(SIGALRM));
oldmask = sigblock(mask(SIGALRM));
oldmask = sigblock(mask(SIGALRM));
(void) sigsetmask(sigblock(0) & ~(1<<(SIGTSTP-1)));
sigblock(sigmask(SIGTERM));
sigblock(sigmask(SIGTERM));
sigblock(sigmask(SIGTERM));
omask = sigblock(ALLSIGS);
(void) sigsetmask(sigblock(0) & ~(sigmask(sig)));
mask = sigblock(sigmask(SIGINT) | sigmask(SIGQUIT) |
mask = sigblock(sigmask(SIGINT) | sigmask(SIGQUIT) | sigmask(SIGTSTP));
omask = sigblock(sigmask(SIGINT)|sigmask(SIGQUIT)|sigmask(SIGHUP));
omask = sigblock(sigmask(SIGINT)|sigmask(SIGQUIT)|sigmask(SIGHUP));
omask = sigblock(SIGBLOCK);
omask = sigblock(SIGBLOCK);
omask = sigblock(SIGBLOCK);
sigblock(SIGBLOCK);
omask = sigblock(SIGBLOCK);
sigblock(sigmask(SIGPIPE));
oldmask = sigblock(sigmask(SIGALRM));
omask = sigblock(sigmask(SIGHUP)|sigmask(SIGALRM));