Commit 71fc8162 authored by Ziye Yang's avatar Ziye Yang Committed by Tomasz Zawadzki
Browse files

posix: Add the socket into pending_recv list if migrated from another polling group. 



When the socket is migrated from one polling group to another
(e.g., iSCSI target example), we should add it into pending_recv_list

Signed-off-by: default avatarZiye Yang <ziye.yang@intel.com>
Change-Id: I56d34000344ae452a25b82952c831f09e0266d66
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/1448


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
parent 4faa7b58

module/sock/posix/posix.c

+11 −0
Original line number Diff line number Diff line
@@ -44,6 +44,7 @@ 
#include "spdk/pipe.h"

#include "spdk/sock.h"

#include "spdk/util.h"

#include "spdk/likely.h"

#include "spdk_internal/sock.h"



#define MAX_TMPBUF 1024
@@ -1070,6 +1071,15 @@ spdk_posix_sock_group_impl_add_sock(struct spdk_sock_group_impl *_group, struct 


	rc = kevent(group->fd, &event, 1, NULL, 0, &ts);

#endif



	/* switched from another polling group due to scheduling */

	if (spdk_unlikely(sock->recv_pipe != NULL  &&

			  (spdk_pipe_reader_bytes_available(sock->recv_pipe) > 0))) {

		assert(sock->pending_recv == false);

		sock->pending_recv = true;

		TAILQ_INSERT_TAIL(&group->pending_recv, sock, link);

	}



	return rc;

}
@@ -1085,6 +1095,7 @@ spdk_posix_sock_group_impl_remove_sock(struct spdk_sock_group_impl *_group, stru 
			TAILQ_REMOVE(&group->pending_recv, sock, link);

			sock->pending_recv = false;

		}

		assert(sock->pending_recv == false);

	}



#if defined(__linux__)