Milestone 5: deliver embedded RDP sessions and lifecycle hardening

third_party/FreeRDP/winpr/libwinpr/synch/event.h

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+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * event implementation
+ *
+ * Copyright 2021 David Fort <contact@hardening-consulting.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef WINPR_LIBWINPR_SYNCH_EVENT_H_
+#define WINPR_LIBWINPR_SYNCH_EVENT_H_
+
+#include "../handle/handle.h"
+
+#include <winpr/config.h>
+
+#ifdef WINPR_HAVE_SYS_EVENTFD_H
+#include <sys/eventfd.h>
+#endif
+
+struct winpr_event_impl
+{
+	int fds[2];
+};
+
+typedef struct winpr_event_impl WINPR_EVENT_IMPL;
+
+struct winpr_event
+{
+	WINPR_HANDLE common;
+
+	WINPR_EVENT_IMPL impl;
+	BOOL bAttached;
+	BOOL bManualReset;
+	char* name;
+#if defined(WITH_DEBUG_EVENTS)
+	void* create_stack;
+#endif
+};
+typedef struct winpr_event WINPR_EVENT;
+
+BOOL winpr_event_init(WINPR_EVENT_IMPL* event);
+void winpr_event_init_from_fd(WINPR_EVENT_IMPL* event, int fd);
+BOOL winpr_event_set(WINPR_EVENT_IMPL* event);
+BOOL winpr_event_reset(WINPR_EVENT_IMPL* event);
+void winpr_event_uninit(WINPR_EVENT_IMPL* event);
+
+#endif /* WINPR_LIBWINPR_SYNCH_EVENT_H_ */