diff options
| author | Roland McGrath <roland@redhat.com> | 2007-11-12 15:41:55 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-11-12 16:05:23 -0800 |
| commit | 325d22df7b19e0116aff3391d3a03f73d0634ded (patch) | |
| tree | 25a46ecf33feb35f243bfaeb36510892789ff8a8 /lib/bust_spinlocks.c | |
| parent | 6fa02839bf9412e18e773d04e96182b4cd0b5d57 (diff) | |
sigwait eats blocked default-ignore signals
While a signal is blocked, it must be posted even if its action is
SIG_IGN or is SIG_DFL with the default action to ignore. This works
right most of the time, but is broken when a sigwait (rt_sigtimedwait)
is in progress. This changes the early-discard check to respect
real_blocked. ~blocked is the set to check for "should wake up now",
but ~(blocked|real_blocked) is the set for "blocked" semantics as
defined by POSIX.
This fixes bugzilla entry 9347, see
http://bugzilla.kernel.org/show_bug.cgi?id=9347
Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib/bust_spinlocks.c')
0 files changed, 0 insertions, 0 deletions