From da8524f795dd4db68540b80d3c7e5a10132da79f Mon Sep 17 00:00:00 2001 From: midipix Date: Thu, 3 Dec 2020 21:45:34 +0000 Subject: __ipc_connect_by_attr(): obtain atomic lock via loop as needed. --- src/ipc/ntapi_ipc_connect.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'src/ipc') diff --git a/src/ipc/ntapi_ipc_connect.c b/src/ipc/ntapi_ipc_connect.c index 2d0e4b7..8f0d8e1 100644 --- a/src/ipc/ntapi_ipc_connect.c +++ b/src/ipc/ntapi_ipc_connect.c @@ -311,8 +311,10 @@ static int32_t __ipc_connect_by_attr( /* lock */ hlock = &(__internals->hlock); - if (at_locked_cas(hlock,0,1)) - return NT_STATUS_RESOURCE_NOT_OWNED; + while (at_locked_cas(hlock,0,1)) + __ntapi->zw_delay_execution( + NT_SYNC_NON_ALERTABLE, + &(nt_timeout){{0,0}}); /* already connected? */ node = (struct dalist_node_ex *)__internals->ipc_conns.head; -- cgit v1.2.3