diff options
| author | midipix <writeonce@midipix.org> | 2020-12-03 21:45:34 +0000 |
|---|---|---|
| committer | midipix <writeonce@midipix.org> | 2020-12-04 13:24:15 +0000 |
| commit | da8524f795dd4db68540b80d3c7e5a10132da79f (patch) | |
| tree | c614e9d47c2ca91848a1d0745b5ef89571be6420 /src | |
| parent | 736fac2ce594fb10c75f27dea42742498987b90c (diff) | |
| download | ntapi-da8524f795dd4db68540b80d3c7e5a10132da79f.tar.bz2 ntapi-da8524f795dd4db68540b80d3c7e5a10132da79f.tar.xz | |
__ipc_connect_by_attr(): obtain atomic lock via loop as needed.
Diffstat (limited to 'src')
| -rw-r--r-- | src/ipc/ntapi_ipc_connect.c | 6 |
1 files changed, 4 insertions, 2 deletions
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; |