86 lines
2.0 KiB
C
86 lines
2.0 KiB
C
/**
|
|
* WinPR: Windows Portable Runtime
|
|
* APC 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_APC_H
|
|
#define WINPR_APC_H
|
|
|
|
#include <winpr/winpr.h>
|
|
#include <winpr/wtypes.h>
|
|
|
|
#ifndef _WIN32
|
|
|
|
#include <pthread.h>
|
|
|
|
typedef struct winpr_thread WINPR_THREAD;
|
|
typedef struct winpr_APC_item WINPR_APC_ITEM;
|
|
typedef struct winpr_poll_set WINPR_POLL_SET;
|
|
|
|
typedef void (*apc_treatment)(LPVOID arg);
|
|
|
|
typedef enum
|
|
{
|
|
APC_TYPE_USER,
|
|
APC_TYPE_TIMER,
|
|
APC_TYPE_HANDLE_FREE
|
|
} ApcType;
|
|
|
|
struct winpr_APC_item
|
|
{
|
|
ApcType type;
|
|
int pollFd;
|
|
DWORD pollMode;
|
|
apc_treatment completion;
|
|
LPVOID completionArgs;
|
|
BOOL markedForFree;
|
|
|
|
/* private fields used by the APC */
|
|
BOOL alwaysSignaled;
|
|
BOOL isSignaled;
|
|
DWORD boundThread;
|
|
BOOL linked;
|
|
BOOL markedForRemove;
|
|
WINPR_APC_ITEM *last, *next;
|
|
};
|
|
|
|
typedef enum
|
|
{
|
|
APC_REMOVE_OK,
|
|
APC_REMOVE_ERROR,
|
|
APC_REMOVE_DELAY_FREE
|
|
} APC_REMOVE_RESULT;
|
|
|
|
typedef struct
|
|
{
|
|
pthread_mutex_t mutex;
|
|
DWORD length;
|
|
WINPR_APC_ITEM *head, *tail;
|
|
BOOL treatingCompletions;
|
|
} APC_QUEUE;
|
|
|
|
BOOL apc_init(APC_QUEUE* apc);
|
|
BOOL apc_uninit(APC_QUEUE* apc);
|
|
void apc_register(WINPR_THREAD* thread, WINPR_APC_ITEM* addItem);
|
|
APC_REMOVE_RESULT apc_remove(WINPR_APC_ITEM* item);
|
|
BOOL apc_collectFds(WINPR_THREAD* thread, WINPR_POLL_SET* set, BOOL* haveAutoSignaled);
|
|
int apc_executeCompletions(WINPR_THREAD* thread, WINPR_POLL_SET* set, size_t startIndex);
|
|
void apc_cleanupThread(WINPR_THREAD* thread);
|
|
#endif
|
|
|
|
#endif /* WINPR_APC_H */
|