Re: [PATCH 2/2] cobalt/pipe: unblock read()/write() on disconnect

[Jan Kiszka via Xenomai]

On 30.08.19 18:04, Philippe Gerum wrote:

Threads waiting on read()/write() must be unblocked when the kernel
endpoint is disconnected. read() should return 0, write() receives
-EPIPE.

Signed-off-by: Philippe Gerum <r...@xenomai.org>
---
  kernel/cobalt/pipe.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/cobalt/pipe.c b/kernel/cobalt/pipe.c
index 16e85125c..0c83095ba 100644
--- a/kernel/cobalt/pipe.c
+++ b/kernel/cobalt/pipe.c
@@ -132,7 +132,7 @@ static inline void xnpipe_dequeue_all(struct xnpipe_state 
*state, int mask)
                if (__sigpending)                                       \
                        break;                                          \
                prepare_to_wait_exclusive(__waitq, &__wait, 
TASK_INTERRUPTIBLE); \
-               if (__cond)                                             \
+               if (__cond || (__state)->status & XNPIPE_KERN_LCLOSE)    \
                        break;                                          \
                schedule();                                             \
        }                                                               \

Thanks, applied to next, queued for stable.

Jan

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