Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=325d22df7b19e0116aff3391d3a03f73d0634ded
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
http://bugzilla.kernel.org/show_bug.cgi?id=9347
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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