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commit 6106225fdc09f013ec4f7b1d7ec82780061c8a14
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Sun Jan 3 04:20:02 2016 +0100
Do not block unmaskable signals
* sysdeps/mach/hurd/pt-sigstate.c (__pthread_sigstate): Always remove
_SIG_CANT_MASK from blocked signals, like sigprocmask does.
--- a/libpthread/sysdeps/mach/hurd/pt-sigstate.c
+++ b/libpthread/sysdeps/mach/hurd/pt-sigstate.c
@@ -43,24 +43,27 @@ __pthread_sigstate (struct __pthread *thread, int how,
*oset = ss->blocked;
if (set)
- switch (how)
- {
- case SIG_BLOCK:
- ss->blocked |= *set;
- break;
-
- case SIG_SETMASK:
- ss->blocked = *set;
- break;
-
- case SIG_UNBLOCK:
- ss->blocked &= ~*set;
- break;
-
- default:
- err = EINVAL;
- break;
- }
+ {
+ switch (how)
+ {
+ case SIG_BLOCK:
+ ss->blocked |= *set;
+ break;
+
+ case SIG_SETMASK:
+ ss->blocked = *set;
+ break;
+
+ case SIG_UNBLOCK:
+ ss->blocked &= ~*set;
+ break;
+
+ default:
+ err = EINVAL;
+ break;
+ }
+ ss->blocked &= ~_SIG_CANT_MASK;
+ }
if (! err && clear_pending)
__sigemptyset (&ss->pending);
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