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authorBo Yang <boyang@samba.org>2009-05-19 01:13:36 +0800
committerBo Yang <boyang@samba.org>2009-05-19 01:13:36 +0800
commitaa70e44cd0576e5280e24cf35000369a47dd958f (patch)
tree00a54b9f6be481d8f9815172ba53c33a0efa0bbc /source3/rpc_client
parent2722dd357cedcd3fad1e3739a4a64f924d53eccb (diff)
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s3: tevent_req_poll() loops forever when pipe is broken
Signed-off-by: Bo Yang <boyang@samba.org>
Diffstat (limited to 'source3/rpc_client')
-rw-r--r--source3/rpc_client/rpc_transport_sock.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/source3/rpc_client/rpc_transport_sock.c b/source3/rpc_client/rpc_transport_sock.c
index 570d792c9c..3756f73e50 100644
--- a/source3/rpc_client/rpc_transport_sock.c
+++ b/source3/rpc_client/rpc_transport_sock.c
@@ -36,6 +36,7 @@ static int rpc_transport_sock_state_destructor(struct rpc_transport_sock_state *
}
struct rpc_sock_read_state {
+ struct rpc_transport_sock_state *transp;
ssize_t received;
};
@@ -55,7 +56,11 @@ static struct tevent_req *rpc_sock_read_send(TALLOC_CTX *mem_ctx,
if (req == NULL) {
return NULL;
}
-
+ if (sock_transp->fd == -1) {
+ tevent_req_nterror(req, NT_STATUS_CONNECTION_INVALID);
+ return tevent_req_post(req, ev);
+ }
+ state->transp = sock_transp;
subreq = async_recv_send(state, ev, sock_transp->fd, data, size, 0);
if (subreq == NULL) {
goto fail;
@@ -77,6 +82,10 @@ static void rpc_sock_read_done(struct tevent_req *subreq)
state->received = async_recv_recv(subreq, &err);
if (state->received == -1) {
+ if (err == EPIPE) {
+ close(state->transp->fd);
+ state->transp->fd = -1;
+ }
tevent_req_nterror(req, map_nt_error_from_unix(err));
return;
}
@@ -97,6 +106,7 @@ static NTSTATUS rpc_sock_read_recv(struct tevent_req *req, ssize_t *preceived)
}
struct rpc_sock_write_state {
+ struct rpc_transport_sock_state *transp;
ssize_t sent;
};
@@ -116,6 +126,11 @@ static struct tevent_req *rpc_sock_write_send(TALLOC_CTX *mem_ctx,
if (req == NULL) {
return NULL;
}
+ if (sock_transp->fd == -1) {
+ tevent_req_nterror(req, NT_STATUS_CONNECTION_INVALID);
+ return tevent_req_post(req, ev);
+ }
+ state->transp = sock_transp;
subreq = async_send_send(state, ev, sock_transp->fd, data, size, 0);
if (subreq == NULL) {
goto fail;
@@ -137,6 +152,10 @@ static void rpc_sock_write_done(struct tevent_req *subreq)
state->sent = async_send_recv(subreq, &err);
if (state->sent == -1) {
+ if (err == EPIPE) {
+ close(state->transp->fd);
+ state->transp->fd = -1;
+ }
tevent_req_nterror(req, map_nt_error_from_unix(err));
return;
}