Commit:     325d22df7b19e0116aff3391d3a03f73d0634ded
Parent:     6fa02839bf9412e18e773d04e96182b4cd0b5d57
Author:     Roland McGrath <[EMAIL PROTECTED]>
AuthorDate: Mon Nov 12 15:41:55 2007 -0800
Committer:  Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Mon Nov 12 16:05:23 2007 -0800

    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
    Signed-off-by: Roland McGrath <[EMAIL PROTECTED]>
    Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
 kernel/signal.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/signal.c b/kernel/signal.c
index 909a0cc..afa4f78 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -55,7 +55,7 @@ static int sig_ignored(struct task_struct *t, int sig)
         * signal handler may change by the time it is
         * unblocked.
-       if (sigismember(&t->blocked, sig))
+       if (sigismember(&t->blocked, sig) || sigismember(&t->real_blocked, sig))
                return 0;
        /* Is it explicitly or implicitly ignored? */
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