diff options
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/mach/hurd/sigaction.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/sigaction.c b/sysdeps/mach/hurd/sigaction.c index ebe70664be..df28131281 100644 --- a/sysdeps/mach/hurd/sigaction.c +++ b/sysdeps/mach/hurd/sigaction.c @@ -67,6 +67,14 @@ DEFUN(__sigaction, (sig, act, oact), __spin_lock (&ss->lock); pending = ss->pending & ~ss->blocked; } + else if (a.sa_handler == SIG_IGN || a.sa_handler == SIG_DFL) + /* We are changing to an action that might be to ignore SIG signals. + If SIG is blocked and pending and the new action is to ignore it, we + must remove it from the pending set now; if the action is changed + back and then SIG is unblocked, the signal pending now should not + arrive. So wake up the signal thread to check the new state and do + the right thing. */ + pending = ss->pending & __sigmask (sig); else pending = 0; |