1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
|
/*******************************************************************************
* Copyright (c) 2007, 2014 Wind River Systems, Inc. and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Eclipse Distribution License v1.0 which accompany this distribution.
* The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
* You may elect to redistribute this code under either of these licenses.
*
* Contributors:
* Wind River Systems - initial API and implementation
*******************************************************************************/
/*
* Asynchronous system call request interface
*/
#ifndef D_asyncreq
#define D_asyncreq
#include <tcf/config.h>
#if ENABLE_AIO
# include <aio.h>
#endif
#ifdef __SYMBIAN32__
# include <select.h>
#endif
#include <time.h>
#include <sys/stat.h>
#include <tcf/framework/events.h>
enum {
AsyncReqRead, /* File read */
AsyncReqWrite, /* File write */
AsyncReqSeekRead, /* File seek and read */
AsyncReqSeekWrite, /* File seek and write */
AsyncReqRecv, /* Socket recv */
AsyncReqSend, /* Socket send */
AsyncReqRecvFrom, /* Socket recvfrom */
AsyncReqSendTo, /* Socket sendto */
AsyncReqAccept, /* Accept socket connections */
AsyncReqConnect, /* Connect to socket */
AsyncReqConnectPipe, /* Connect named pipe (Windows) */
AsyncReqWaitpid, /* Wait for process change */
AsyncReqSelect, /* Do select() on file handles */
AsyncReqClose, /* File close */
AsyncReqOpen, /* File open */
AsyncReqStat, /* File stat */
AsyncReqLstat, /* File lstat */
AsyncReqFstat, /* File fstat */
AsyncReqFSetStat, /* File fsetstat */
AsyncReqSetStat, /* File setstat */
AsyncReqRemove, /* File remove */
AsyncReqOpenDir, /* Directory open */
AsyncReqReadDir, /* Directory read */
AsyncReqCloseDir, /* Directory close */
AsyncReqRoots, /* Root device list */
AsyncReqUser /* User defined req */
};
#define AsyncReqSetSize 1
#define AsyncReqSetUidGid 2
#define AsyncReqSetPermissions 4
#define AsyncReqSetAcModTime 8
struct DirFileNode {
char * path;
struct stat * statbuf;
#if defined(_WIN32) || defined(__CYGWIN__)
DWORD win32_attrs;
#endif
};
struct RootDevNode {
char * devname;
struct stat * statbuf;
#if defined(_WIN32) || defined(__CYGWIN__)
DWORD win32_attrs;
#endif
struct RootDevNode * next;
};
typedef struct AsyncReqInfo AsyncReqInfo;
struct AsyncReqInfo {
EventCallBack * done; /* The callback argument is address of AsyncReqInfo */
void * client_data;
int type;
union {
struct {
/* In */
int fd;
int64_t offset;
void * bufp;
size_t bufsz;
int flags;
int permission;
char * file_name;
struct stat statbuf;
int set_stat_flags;
#if defined(_WIN32) || defined(__CYGWIN__)
DWORD win32_attrs;
#endif
/* Out */
ssize_t rval;
#if ENABLE_AIO
/* Private */
struct aiocb aio;
#endif
} fio;
struct {
/* In */
char * path;
int max_files;
struct DirFileNode * files;
int eof;
/* in/Out */
void * dir;
int rval;
} dio;
struct {
/* In */
int sock;
void * bufp;
size_t bufsz;
int flags;
struct sockaddr * addr;
#if defined(_WRS_KERNEL)
int addrlen;
#else
socklen_t addrlen;
#endif
/* Out */
ssize_t rval;
} sio;
struct {
/* Out */
struct RootDevNode * lst;
} root;
struct {
/* In */
int sock;
struct sockaddr * addr;
#if defined(_WRS_KERNEL)
int addrlen;
#else
socklen_t addrlen;
#endif
/* Out */
int rval;
} acc;
struct {
/* In */
int sock;
struct sockaddr * addr;
socklen_t addrlen;
/* Out */
int rval;
} con;
#if defined(_WIN32) || defined(__CYGWIN__)
struct {
/* In */
HANDLE pipe;
/* Out */
BOOL rval;
} cnp;
#endif
struct {
/* In */
pid_t pid;
int options;
/* Out */
int status;
pid_t rval;
} wpid;
struct {
/* In */
int nfds;
fd_set readfds;
fd_set writefds;
fd_set errorfds;
struct timespec timeout;
/* Out */
int rval;
} select;
struct {
/* In */
int (*func)(void *);
void * data;
/* Out */
int rval;
} user;
} u;
int error; /* Readable by callback function */
};
extern void async_req_post(AsyncReqInfo * req);
extern void ini_asyncreq(void);
#endif /* D_asyncreq */
|
