/* Block and unblock SIGTTOU. */
void
-block_tty_out_signal (void)
+block_tty_out_signal (sigset_t *oldset)
{
#ifdef SIGTTOU
sigset_t blocked;
sigemptyset (&blocked);
sigaddset (&blocked, SIGTTOU);
- pthread_sigmask (SIG_BLOCK, &blocked, 0);
+ pthread_sigmask (SIG_BLOCK, &blocked, oldset);
#endif
}
void
-unblock_tty_out_signal (void)
+unblock_tty_out_signal (sigset_t const *oldset)
{
#ifdef SIGTTOU
- pthread_sigmask (SIG_SETMASK, &empty_mask, 0);
+ pthread_sigmask (SIG_SETMASK, oldset, 0);
#endif
}
tcsetpgrp_without_stopping (int fd, pid_t pgid)
{
#ifdef SIGTTOU
+ sigset_t oldset;
block_input ();
- block_tty_out_signal ();
+ block_tty_out_signal (&oldset);
tcsetpgrp (fd, pgid);
- unblock_tty_out_signal ();
+ unblock_tty_out_signal (&oldset);
unblock_input ();
#endif
}
#endif
}
- if (! IEEE_FLOATING_POINT)
- sigaddset (&action->sa_mask, SIGFPE);
-
action->sa_handler = handler;
action->sa_flags = emacs_sigaction_flags ();
}
static _Noreturn void
handle_arith_signal (int sig)
{
- pthread_sigmask (SIG_SETMASK, &empty_mask, 0);
+ sigset_t blocked;
+ sigemptyset (&blocked);
+ sigaddset (&blocked, sig);
+ pthread_sigmask (SIG_UNBLOCK, &blocked, 0);
xsignal0 (Qarith_error);
}