1 /*
2 * Copyright (C) 2007 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 /* this file contains system-dependent definitions used by ADB
18 * they're related to threads, sockets and file descriptors
19 */
20 #ifndef _ADB_SYSDEPS_H
21 #define _ADB_SYSDEPS_H
22
23 #ifdef __CYGWIN__
24 # undef _WIN32
25 #endif
26
27 #ifdef _WIN32
28
29 #include <windows.h>
30 #include <winsock2.h>
31 #include <ws2tcpip.h>
32 #include <process.h>
33 #include <fcntl.h>
34 #include <io.h>
35 #include <sys/stat.h>
36 #include <errno.h>
37 #include <ctype.h>
38
39 #define OS_PATH_SEPARATOR '\\'
40 #define OS_PATH_SEPARATOR_STR "\\"
41
42 typedef CRITICAL_SECTION adb_mutex_t;
43
44 #define ADB_MUTEX_DEFINE(x) adb_mutex_t x
45
46 /* declare all mutexes */
47 /* For win32, adb_sysdeps_init() will do the mutex runtime initialization. */
48 #define ADB_MUTEX(x) extern adb_mutex_t x;
49 #include "mutex_list.h"
50
51 extern void adb_sysdeps_init(void);
52
adb_mutex_lock(adb_mutex_t * lock)53 static __inline__ void adb_mutex_lock( adb_mutex_t* lock )
54 {
55 EnterCriticalSection( lock );
56 }
57
adb_mutex_unlock(adb_mutex_t * lock)58 static __inline__ void adb_mutex_unlock( adb_mutex_t* lock )
59 {
60 LeaveCriticalSection( lock );
61 }
62
63 typedef struct { unsigned tid; } adb_thread_t;
64
65 typedef void* (*adb_thread_func_t)(void* arg);
66
67 typedef void (*win_thread_func_t)(void* arg);
68
adb_thread_create(adb_thread_t * thread,adb_thread_func_t func,void * arg)69 static __inline__ int adb_thread_create( adb_thread_t *thread, adb_thread_func_t func, void* arg)
70 {
71 thread->tid = _beginthread( (win_thread_func_t)func, 0, arg );
72 if (thread->tid == (unsigned)-1L) {
73 return -1;
74 }
75 return 0;
76 }
77
close_on_exec(int fd)78 static __inline__ void close_on_exec(int fd)
79 {
80 /* nothing really */
81 }
82
83 extern void disable_tcp_nagle(int fd);
84
85 #define lstat stat /* no symlinks on Win32 */
86
87 #define S_ISLNK(m) 0 /* no symlinks on Win32 */
88
adb_unlink(const char * path)89 static __inline__ int adb_unlink(const char* path)
90 {
91 int rc = unlink(path);
92
93 if (rc == -1 && errno == EACCES) {
94 /* unlink returns EACCES when the file is read-only, so we first */
95 /* try to make it writable, then unlink again... */
96 rc = chmod(path, _S_IREAD|_S_IWRITE );
97 if (rc == 0)
98 rc = unlink(path);
99 }
100 return rc;
101 }
102 #undef unlink
103 #define unlink ___xxx_unlink
104
adb_mkdir(const char * path,int mode)105 static __inline__ int adb_mkdir(const char* path, int mode)
106 {
107 return _mkdir(path);
108 }
109 #undef mkdir
110 #define mkdir ___xxx_mkdir
111
112 extern int adb_open(const char* path, int options);
113 extern int adb_creat(const char* path, int mode);
114 extern int adb_read(int fd, void* buf, int len);
115 extern int adb_write(int fd, const void* buf, int len);
116 extern int adb_lseek(int fd, int pos, int where);
117 extern int adb_shutdown(int fd);
118 extern int adb_close(int fd);
119
unix_close(int fd)120 static __inline__ int unix_close(int fd)
121 {
122 return close(fd);
123 }
124 #undef close
125 #define close ____xxx_close
126
unix_read(int fd,void * buf,size_t len)127 static __inline__ int unix_read(int fd, void* buf, size_t len)
128 {
129 return read(fd, buf, len);
130 }
131 #undef read
132 #define read ___xxx_read
133
unix_write(int fd,const void * buf,size_t len)134 static __inline__ int unix_write(int fd, const void* buf, size_t len)
135 {
136 return write(fd, buf, len);
137 }
138 #undef write
139 #define write ___xxx_write
140
adb_open_mode(const char * path,int options,int mode)141 static __inline__ int adb_open_mode(const char* path, int options, int mode)
142 {
143 return adb_open(path, options);
144 }
145
unix_open(const char * path,int options,...)146 static __inline__ int unix_open(const char* path, int options,...)
147 {
148 if ((options & O_CREAT) == 0)
149 {
150 return open(path, options);
151 }
152 else
153 {
154 int mode;
155 va_list args;
156 va_start( args, options );
157 mode = va_arg( args, int );
158 va_end( args );
159 return open(path, options, mode);
160 }
161 }
162 #define open ___xxx_unix_open
163
164
165 /* normally provided by <cutils/misc.h> */
166 extern void* load_file(const char* pathname, unsigned* psize);
167
168 /* normally provided by <cutils/sockets.h> */
169 extern int socket_loopback_client(int port, int type);
170 extern int socket_network_client(const char *host, int port, int type);
171 extern int socket_loopback_server(int port, int type);
172 extern int socket_inaddr_any_server(int port, int type);
173
174 /* normally provided by "fdevent.h" */
175
176 #define FDE_READ 0x0001
177 #define FDE_WRITE 0x0002
178 #define FDE_ERROR 0x0004
179 #define FDE_DONT_CLOSE 0x0080
180
181 typedef struct fdevent fdevent;
182
183 typedef void (*fd_func)(int fd, unsigned events, void *userdata);
184
185 fdevent *fdevent_create(int fd, fd_func func, void *arg);
186 void fdevent_destroy(fdevent *fde);
187 void fdevent_install(fdevent *fde, int fd, fd_func func, void *arg);
188 void fdevent_remove(fdevent *item);
189 void fdevent_set(fdevent *fde, unsigned events);
190 void fdevent_add(fdevent *fde, unsigned events);
191 void fdevent_del(fdevent *fde, unsigned events);
192 void fdevent_loop();
193
194 struct fdevent {
195 fdevent *next;
196 fdevent *prev;
197
198 int fd;
199 int force_eof;
200
201 unsigned short state;
202 unsigned short events;
203
204 fd_func func;
205 void *arg;
206 };
207
adb_sleep_ms(int mseconds)208 static __inline__ void adb_sleep_ms( int mseconds )
209 {
210 Sleep( mseconds );
211 }
212
213 extern int adb_socket_accept(int serverfd, struct sockaddr* addr, socklen_t *addrlen);
214
215 #undef accept
216 #define accept ___xxx_accept
217
adb_socket_setbufsize(int fd,int bufsize)218 static __inline__ int adb_socket_setbufsize( int fd, int bufsize )
219 {
220 int opt = bufsize;
221 return setsockopt(fd, SOL_SOCKET, SO_RCVBUF, (const char*)&opt, sizeof(opt));
222 }
223
224 extern int adb_socketpair( int sv[2] );
225
adb_dirstart(const char * path)226 static __inline__ char* adb_dirstart( const char* path )
227 {
228 char* p = strchr(path, '/');
229 char* p2 = strchr(path, '\\');
230
231 if ( !p )
232 p = p2;
233 else if ( p2 && p2 > p )
234 p = p2;
235
236 return p;
237 }
238
adb_dirstop(const char * path)239 static __inline__ char* adb_dirstop( const char* path )
240 {
241 char* p = strrchr(path, '/');
242 char* p2 = strrchr(path, '\\');
243
244 if ( !p )
245 p = p2;
246 else if ( p2 && p2 > p )
247 p = p2;
248
249 return p;
250 }
251
adb_is_absolute_host_path(const char * path)252 static __inline__ int adb_is_absolute_host_path( const char* path )
253 {
254 return isalpha(path[0]) && path[1] == ':' && path[2] == '\\';
255 }
256
257 #else /* !_WIN32 a.k.a. Unix */
258
259 #include "fdevent.h"
260 #include <cutils/sockets.h>
261 #include <cutils/properties.h>
262 #include <cutils/misc.h>
263 #include <signal.h>
264 #include <sys/wait.h>
265 #include <sys/stat.h>
266 #include <fcntl.h>
267
268 #include <pthread.h>
269 #include <unistd.h>
270 #include <fcntl.h>
271 #include <stdarg.h>
272 #include <netinet/in.h>
273 #include <netinet/tcp.h>
274 #include <string.h>
275
276 #define OS_PATH_SEPARATOR '/'
277 #define OS_PATH_SEPARATOR_STR "/"
278
279 typedef pthread_mutex_t adb_mutex_t;
280
281 #define ADB_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
282 #define adb_mutex_init pthread_mutex_init
283 #define adb_mutex_lock pthread_mutex_lock
284 #define adb_mutex_unlock pthread_mutex_unlock
285 #define adb_mutex_destroy pthread_mutex_destroy
286
287 #define ADB_MUTEX_DEFINE(m) adb_mutex_t m = PTHREAD_MUTEX_INITIALIZER
288
289 #define adb_cond_t pthread_cond_t
290 #define adb_cond_init pthread_cond_init
291 #define adb_cond_wait pthread_cond_wait
292 #define adb_cond_broadcast pthread_cond_broadcast
293 #define adb_cond_signal pthread_cond_signal
294 #define adb_cond_destroy pthread_cond_destroy
295
296 /* declare all mutexes */
297 #define ADB_MUTEX(x) extern adb_mutex_t x;
298 #include "mutex_list.h"
299
close_on_exec(int fd)300 static __inline__ void close_on_exec(int fd)
301 {
302 fcntl( fd, F_SETFD, FD_CLOEXEC );
303 }
304
unix_open(const char * path,int options,...)305 static __inline__ int unix_open(const char* path, int options,...)
306 {
307 if ((options & O_CREAT) == 0)
308 {
309 return open(path, options);
310 }
311 else
312 {
313 int mode;
314 va_list args;
315 va_start( args, options );
316 mode = va_arg( args, int );
317 va_end( args );
318 return open(path, options, mode);
319 }
320 }
321
adb_open_mode(const char * pathname,int options,int mode)322 static __inline__ int adb_open_mode( const char* pathname, int options, int mode )
323 {
324 return open( pathname, options, mode );
325 }
326
327
adb_open(const char * pathname,int options)328 static __inline__ int adb_open( const char* pathname, int options )
329 {
330 int fd = open( pathname, options );
331 if (fd < 0)
332 return -1;
333 close_on_exec( fd );
334 return fd;
335 }
336 #undef open
337 #define open ___xxx_open
338
adb_shutdown(int fd)339 static __inline__ int adb_shutdown(int fd)
340 {
341 return shutdown(fd, SHUT_RDWR);
342 }
343 #undef shutdown
344 #define shutdown ____xxx_shutdown
345
adb_close(int fd)346 static __inline__ int adb_close(int fd)
347 {
348 return close(fd);
349 }
350 #undef close
351 #define close ____xxx_close
352
353
adb_read(int fd,void * buf,size_t len)354 static __inline__ int adb_read(int fd, void* buf, size_t len)
355 {
356 return read(fd, buf, len);
357 }
358
359 #undef read
360 #define read ___xxx_read
361
adb_write(int fd,const void * buf,size_t len)362 static __inline__ int adb_write(int fd, const void* buf, size_t len)
363 {
364 return write(fd, buf, len);
365 }
366 #undef write
367 #define write ___xxx_write
368
adb_lseek(int fd,int pos,int where)369 static __inline__ int adb_lseek(int fd, int pos, int where)
370 {
371 return lseek(fd, pos, where);
372 }
373 #undef lseek
374 #define lseek ___xxx_lseek
375
adb_unlink(const char * path)376 static __inline__ int adb_unlink(const char* path)
377 {
378 return unlink(path);
379 }
380 #undef unlink
381 #define unlink ___xxx_unlink
382
adb_creat(const char * path,int mode)383 static __inline__ int adb_creat(const char* path, int mode)
384 {
385 int fd = creat(path, mode);
386
387 if ( fd < 0 )
388 return -1;
389
390 close_on_exec(fd);
391 return fd;
392 }
393 #undef creat
394 #define creat ___xxx_creat
395
adb_socket_accept(int serverfd,struct sockaddr * addr,socklen_t * addrlen)396 static __inline__ int adb_socket_accept(int serverfd, struct sockaddr* addr, socklen_t *addrlen)
397 {
398 int fd;
399
400 fd = accept(serverfd, addr, addrlen);
401 if (fd >= 0)
402 close_on_exec(fd);
403
404 return fd;
405 }
406
407 #undef accept
408 #define accept ___xxx_accept
409
410 #define unix_read adb_read
411 #define unix_write adb_write
412 #define unix_close adb_close
413
414 typedef pthread_t adb_thread_t;
415
416 typedef void* (*adb_thread_func_t)( void* arg );
417
adb_thread_create(adb_thread_t * pthread,adb_thread_func_t start,void * arg)418 static __inline__ int adb_thread_create( adb_thread_t *pthread, adb_thread_func_t start, void* arg )
419 {
420 pthread_attr_t attr;
421
422 pthread_attr_init (&attr);
423 pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
424
425 return pthread_create( pthread, &attr, start, arg );
426 }
427
adb_socket_setbufsize(int fd,int bufsize)428 static __inline__ int adb_socket_setbufsize( int fd, int bufsize )
429 {
430 int opt = bufsize;
431 return setsockopt(fd, SOL_SOCKET, SO_RCVBUF, &opt, sizeof(opt));
432 }
433
disable_tcp_nagle(int fd)434 static __inline__ void disable_tcp_nagle(int fd)
435 {
436 int on = 1;
437 setsockopt( fd, IPPROTO_TCP, TCP_NODELAY, (void*)&on, sizeof(on) );
438 }
439
440
unix_socketpair(int d,int type,int protocol,int sv[2])441 static __inline__ int unix_socketpair( int d, int type, int protocol, int sv[2] )
442 {
443 return socketpair( d, type, protocol, sv );
444 }
445
adb_socketpair(int sv[2])446 static __inline__ int adb_socketpair( int sv[2] )
447 {
448 int rc;
449
450 rc = unix_socketpair( AF_UNIX, SOCK_STREAM, 0, sv );
451 if (rc < 0)
452 return -1;
453
454 close_on_exec( sv[0] );
455 close_on_exec( sv[1] );
456 return 0;
457 }
458
459 #undef socketpair
460 #define socketpair ___xxx_socketpair
461
adb_sleep_ms(int mseconds)462 static __inline__ void adb_sleep_ms( int mseconds )
463 {
464 usleep( mseconds*1000 );
465 }
466
adb_mkdir(const char * path,int mode)467 static __inline__ int adb_mkdir(const char* path, int mode)
468 {
469 return mkdir(path, mode);
470 }
471 #undef mkdir
472 #define mkdir ___xxx_mkdir
473
adb_sysdeps_init(void)474 static __inline__ void adb_sysdeps_init(void)
475 {
476 }
477
adb_dirstart(const char * path)478 static __inline__ char* adb_dirstart(const char* path)
479 {
480 return strchr(path, '/');
481 }
482
adb_dirstop(const char * path)483 static __inline__ char* adb_dirstop(const char* path)
484 {
485 return strrchr(path, '/');
486 }
487
adb_is_absolute_host_path(const char * path)488 static __inline__ int adb_is_absolute_host_path( const char* path )
489 {
490 return path[0] == '/';
491 }
492
493 #endif /* !_WIN32 */
494
495 #endif /* _ADB_SYSDEPS_H */
496