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From: Bijan Mottahedeh <[email protected]>
To: [email protected]
Cc: [email protected]
Subject: [PATCH liburing 2/3] update wait_nr to account for completed event
Date: Tue, 19 May 2020 14:52:20 -0700	[thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>

If there are events to wait for, then account for one already complete.

Signed-off-by: Bijan Mottahedeh <[email protected]>
---
 src/queue.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/queue.c b/src/queue.c
index c7473c0..da2f405 100644
--- a/src/queue.c
+++ b/src/queue.c
@@ -49,6 +49,8 @@ int __io_uring_get_cqe(struct io_uring *ring, struct io_uring_cqe **cqe_ptr,
 			err = -EAGAIN;
 			break;
 		}
+		if (wait_nr && cqe)
+			wait_nr--;
 		if (wait_nr)
 			flags = IORING_ENTER_GETEVENTS;
 		if (submit)
-- 
1.8.3.1


  parent reply	other threads:[~2020-05-19 21:52 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-19 21:52 [PATCH liburing 0/3] __io_uring_get_cqe() fix/optimization Bijan Mottahedeh
2020-05-19 21:52 ` [PATCH liburing 1/3] preseve wait_nr if SETUP_IOPOLL is set Bijan Mottahedeh
2020-05-19 21:52 ` Bijan Mottahedeh [this message]
2020-05-19 21:52 ` [PATCH liburing 3/3] remove duplicate call to __io_uring_peek_cqe() Bijan Mottahedeh
2020-05-19 22:12 ` [PATCH liburing 0/3] __io_uring_get_cqe() fix/optimization Jens Axboe

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