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Diffstat (limited to 'thirdparty/libwebsockets/roles/pipe/ops-pipe.c')
-rw-r--r--thirdparty/libwebsockets/roles/pipe/ops-pipe.c81
1 files changed, 81 insertions, 0 deletions
diff --git a/thirdparty/libwebsockets/roles/pipe/ops-pipe.c b/thirdparty/libwebsockets/roles/pipe/ops-pipe.c
new file mode 100644
index 0000000000..b9348d58d7
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+++ b/thirdparty/libwebsockets/roles/pipe/ops-pipe.c
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+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation:
+ * version 2.1 of the License.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+#include <core/private.h>
+
+static int
+rops_handle_POLLIN_pipe(struct lws_context_per_thread *pt, struct lws *wsi,
+ struct lws_pollfd *pollfd)
+{
+#if !defined(WIN32) && !defined(_WIN32)
+ char s[100];
+ int n;
+
+ /*
+ * discard the byte(s) that signaled us
+ * We really don't care about the number of bytes, but coverity
+ * thinks we should.
+ */
+ n = read(wsi->desc.sockfd, s, sizeof(s));
+ (void)n;
+ if (n < 0)
+ return LWS_HPI_RET_PLEASE_CLOSE_ME;
+#endif
+ /*
+ * the poll() wait, or the event loop for libuv etc is a
+ * process-wide resource that we interrupted. So let every
+ * protocol that may be interested in the pipe event know that
+ * it happened.
+ */
+ if (lws_broadcast(wsi->context, LWS_CALLBACK_EVENT_WAIT_CANCELLED,
+ NULL, 0)) {
+ lwsl_info("closed in event cancel\n");
+ return LWS_HPI_RET_PLEASE_CLOSE_ME;
+ }
+
+ return LWS_HPI_RET_HANDLED;
+}
+
+struct lws_role_ops role_ops_pipe = {
+ /* role name */ "pipe",
+ /* alpn id */ NULL,
+ /* check_upgrades */ NULL,
+ /* init_context */ NULL,
+ /* init_vhost */ NULL,
+ /* destroy_vhost */ NULL,
+ /* periodic_checks */ NULL,
+ /* service_flag_pending */ NULL,
+ /* handle_POLLIN */ rops_handle_POLLIN_pipe,
+ /* handle_POLLOUT */ NULL,
+ /* perform_user_POLLOUT */ NULL,
+ /* callback_on_writable */ NULL,
+ /* tx_credit */ NULL,
+ /* write_role_protocol */ NULL,
+ /* encapsulation_parent */ NULL,
+ /* alpn_negotiated */ NULL,
+ /* close_via_role_protocol */ NULL,
+ /* close_role */ NULL,
+ /* close_kill_connection */ NULL,
+ /* destroy_role */ NULL,
+ /* writeable cb clnt, srv */ { 0, 0 },
+ /* close cb clnt, srv */ { 0, 0 },
+ /* file_handle */ 1,
+};