Milestone 5: deliver embedded RDP sessions and lifecycle hardening

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

@@ -0,0 +1,159 @@
+/**
+ * WinPR: Windows Portable Runtime
+ * Synchronization Functions
+ *
+ * Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.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_SYNCH_PRIVATE_H
+#define WINPR_SYNCH_PRIVATE_H
+
+#include <winpr/config.h>
+
+#include <winpr/platform.h>
+
+#include <winpr/synch.h>
+
+#include "../handle/handle.h"
+#include "../thread/apc.h"
+#include "event.h"
+
+#ifndef _WIN32
+
+#define WINPR_PIPE_SEMAPHORE 1
+
+#if defined __APPLE__
+#include <pthread.h>
+#include <sys/time.h>
+#include <semaphore.h>
+#include <mach/mach.h>
+#include <mach/semaphore.h>
+#include <mach/task.h>
+#define winpr_sem_t semaphore_t
+#else
+#include <pthread.h>
+#include <semaphore.h>
+#define winpr_sem_t sem_t
+#endif
+
+struct winpr_mutex
+{
+	WINPR_HANDLE common;
+	char* name;
+	pthread_mutex_t mutex;
+};
+typedef struct winpr_mutex WINPR_MUTEX;
+
+struct winpr_semaphore
+{
+	WINPR_HANDLE common;
+
+	int pipe_fd[2];
+	winpr_sem_t* sem;
+};
+typedef struct winpr_semaphore WINPR_SEMAPHORE;
+
+#ifdef WINPR_HAVE_SYS_TIMERFD_H
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/timerfd.h>
+#define TIMER_IMPL_TIMERFD
+
+#elif defined(WITH_POSIX_TIMER)
+#include <fcntl.h>
+#define TIMER_IMPL_POSIX
+
+#elif defined(__APPLE__)
+#define TIMER_IMPL_DISPATCH
+#include <dispatch/dispatch.h>
+#else
+#warning missing timer implementation
+#endif
+
+struct winpr_timer
+{
+	WINPR_HANDLE common;
+
+	int fd;
+	BOOL bInit;
+	LONG lPeriod;
+	BOOL bManualReset;
+	PTIMERAPCROUTINE pfnCompletionRoutine;
+	LPVOID lpArgToCompletionRoutine;
+
+#ifdef TIMER_IMPL_TIMERFD
+	struct itimerspec timeout;
+#endif
+
+#ifdef TIMER_IMPL_POSIX
+	WINPR_EVENT_IMPL event;
+	timer_t tid;
+	struct itimerspec timeout;
+#endif
+
+#ifdef TIMER_IMPL_DISPATCH
+	WINPR_EVENT_IMPL event;
+	dispatch_queue_t queue;
+	dispatch_source_t source;
+	BOOL running;
+#endif
+	char* name;
+
+	WINPR_APC_ITEM apcItem;
+};
+typedef struct winpr_timer WINPR_TIMER;
+
+typedef struct winpr_timer_queue_timer WINPR_TIMER_QUEUE_TIMER;
+
+struct winpr_timer_queue
+{
+	WINPR_HANDLE common;
+
+	pthread_t thread;
+	pthread_attr_t attr;
+	pthread_mutex_t mutex;
+	pthread_cond_t cond;
+	pthread_mutex_t cond_mutex;
+	struct sched_param param;
+
+	BOOL bCancelled;
+	WINPR_TIMER_QUEUE_TIMER* activeHead;
+	WINPR_TIMER_QUEUE_TIMER* inactiveHead;
+};
+typedef struct winpr_timer_queue WINPR_TIMER_QUEUE;
+
+struct winpr_timer_queue_timer
+{
+	WINPR_HANDLE common;
+
+	ULONG Flags;
+	DWORD DueTime;
+	DWORD Period;
+	PVOID Parameter;
+	WAITORTIMERCALLBACK Callback;
+
+	int FireCount;
+
+	struct timespec StartTime;
+	struct timespec ExpirationTime;
+
+	WINPR_TIMER_QUEUE* timerQueue;
+	WINPR_TIMER_QUEUE_TIMER* next;
+};
+
+#endif
+
+#endif /* WINPR_SYNCH_PRIVATE_H */