blob: 3be99f63515118f5dbb879921636d8f430a9cf17 [file] [log] [blame]
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -08001/*
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
Elliott Hughes381cfa92015-07-23 17:12:58 -070027#include <errno.h>
28
Spencer Low5200c662015-07-30 23:07:55 -070029#include <string>
Spencer Lowa30b79a2015-11-15 16:29:36 -080030#include <vector>
Spencer Low5200c662015-07-30 23:07:55 -070031
Josh Gao13ea01d2016-05-13 14:52:06 -070032// Include this before open/close/unlink are defined as macros below.
Josh Gao3b3e10d2016-02-09 14:59:09 -080033#include <android-base/errors.h>
Elliott Hughes3df2fa62017-11-28 18:05:27 -080034#include <android-base/macros.h>
Josh Gao13ea01d2016-05-13 14:52:06 -070035#include <android-base/unique_fd.h>
Elliott Hughes4f713192015-12-04 22:00:26 -080036#include <android-base/utf8.h>
Spencer Lowd21dc822015-11-12 15:20:15 -080037
Josh Gaoa3577e12016-12-05 13:24:48 -080038#include "sysdeps/errno.h"
Josh Gao46de1d72017-04-12 13:57:06 -070039#include "sysdeps/network.h"
Josh Gaof551ea02016-07-28 18:09:48 -070040#include "sysdeps/stat.h"
41
Spencer Lowcf4ff642015-05-11 01:08:48 -070042// Some printf-like functions are implemented in terms of
43// android::base::StringAppendV, so they should use the same attribute for
44// compile-time format string checking. On Windows, if the mingw version of
45// vsnprintf is used in StringAppendV, use `gnu_printf' which allows z in %zd
46// and PRIu64 (and related) to be recognized by the compile-time checking.
47#define ADB_FORMAT_ARCHETYPE __printf__
48#ifdef __USE_MINGW_ANSI_STDIO
49#if __USE_MINGW_ANSI_STDIO
50#undef ADB_FORMAT_ARCHETYPE
51#define ADB_FORMAT_ARCHETYPE gnu_printf
52#endif
53#endif
54
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -080055#ifdef _WIN32
56
Josh Gaoa166e712016-01-29 12:08:34 -080057// Clang-only nullability specifiers
58#define _Nonnull
59#define _Nullable
60
Dan Albert630b9af2014-11-24 23:34:35 -080061#include <ctype.h>
62#include <direct.h>
Spencer Lowcf4ff642015-05-11 01:08:48 -070063#include <dirent.h>
Dan Albert630b9af2014-11-24 23:34:35 -080064#include <errno.h>
65#include <fcntl.h>
66#include <io.h>
67#include <process.h>
68#include <sys/stat.h>
Spencer Lowcf4ff642015-05-11 01:08:48 -070069#include <utime.h>
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -080070#include <winsock2.h>
Stephen Hines2f431a82014-10-01 17:37:06 -070071#include <windows.h>
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -080072#include <ws2tcpip.h>
Dan Albert630b9af2014-11-24 23:34:35 -080073
Spencer Low2122c7a2015-08-26 18:46:09 -070074#include <memory> // unique_ptr
Spencer Lowd21dc822015-11-12 15:20:15 -080075#include <string>
Alex Vallée47d67c92015-05-06 16:26:00 -040076
Dan Albert630b9af2014-11-24 23:34:35 -080077#include "fdevent.h"
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -080078
Elliott Hughes5c742702015-07-30 17:42:01 -070079#define OS_PATH_SEPARATORS "\\/"
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -080080#define OS_PATH_SEPARATOR '\\'
81#define OS_PATH_SEPARATOR_STR "\\"
Benoit Gobyd5fcafa2012-04-12 12:23:49 -070082#define ENV_PATH_SEPARATOR_STR ";"
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -080083
Josh Gao07db1192015-11-07 15:38:19 -080084static __inline__ bool adb_is_separator(char c) {
85 return c == '\\' || c == '/';
86}
87
Siva Velusamy49ee7cf2015-08-28 16:37:29 -070088static __inline__ int adb_thread_setname(const std::string& name) {
89 // TODO: See https://msdn.microsoft.com/en-us/library/xcb2z8hs.aspx for how to set
90 // the thread name in Windows. Unfortunately, it only works during debugging, but
91 // our build process doesn't generate PDB files needed for debugging.
92 return 0;
93}
94
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -080095static __inline__ void close_on_exec(int fd)
96{
David 'Digit' Turnerf6330a22009-05-18 17:36:28 +020097 /* nothing really */
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -080098}
99
Spencer Lowcf4ff642015-05-11 01:08:48 -0700100extern int adb_unlink(const char* path);
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800101#undef unlink
102#define unlink ___xxx_unlink
103
Spencer Lowcf4ff642015-05-11 01:08:48 -0700104extern int adb_mkdir(const std::string& path, int mode);
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800105#undef mkdir
106#define mkdir ___xxx_mkdir
107
Spencer Low6ac5d7d2015-05-22 20:09:06 -0700108// See the comments for the !defined(_WIN32) versions of adb_*().
Josh Gao2e1e7892018-03-23 13:03:28 -0700109extern int adb_open(const char* path, int options);
110extern int adb_creat(const char* path, int mode);
111extern int adb_read(int fd, void* buf, int len);
112extern int adb_write(int fd, const void* buf, int len);
113extern int adb_lseek(int fd, int pos, int where);
114extern int adb_shutdown(int fd, int direction = SHUT_RDWR);
115extern int adb_close(int fd);
116extern int adb_register_socket(SOCKET s);
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800117
Spencer Low6ac5d7d2015-05-22 20:09:06 -0700118// See the comments for the !defined(_WIN32) version of unix_close().
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800119static __inline__ int unix_close(int fd)
120{
121 return close(fd);
122}
123#undef close
124#define close ____xxx_close
125
Spencer Low2e02dc62015-11-07 17:34:39 -0800126// Like unix_read(), but may return EINTR.
127extern int unix_read_interruptible(int fd, void* buf, size_t len);
128
Spencer Low6ac5d7d2015-05-22 20:09:06 -0700129// See the comments for the !defined(_WIN32) version of unix_read().
Spencer Low2e02dc62015-11-07 17:34:39 -0800130static __inline__ int unix_read(int fd, void* buf, size_t len) {
131 return TEMP_FAILURE_RETRY(unix_read_interruptible(fd, buf, len));
132}
Spencer Low50184062015-03-01 15:06:21 -0800133
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800134#undef read
135#define read ___xxx_read
136
Spencer Low6ac5d7d2015-05-22 20:09:06 -0700137// See the comments for the !defined(_WIN32) version of unix_write().
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800138static __inline__ int unix_write(int fd, const void* buf, size_t len)
139{
140 return write(fd, buf, len);
141}
142#undef write
143#define write ___xxx_write
144
Spencer Low6ac5d7d2015-05-22 20:09:06 -0700145// See the comments for the !defined(_WIN32) version of adb_open_mode().
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800146static __inline__ int adb_open_mode(const char* path, int options, int mode)
147{
David 'Digit' Turnerf6330a22009-05-18 17:36:28 +0200148 return adb_open(path, options);
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800149}
150
Spencer Low6ac5d7d2015-05-22 20:09:06 -0700151// See the comments for the !defined(_WIN32) version of unix_open().
Spencer Lowcf4ff642015-05-11 01:08:48 -0700152extern int unix_open(const char* path, int options, ...);
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800153#define open ___xxx_unix_open
154
David Pursellc5b8ad82015-10-28 14:29:51 -0700155// Checks if |fd| corresponds to a console.
156// Standard Windows isatty() returns 1 for both console FDs and character
157// devices like NUL. unix_isatty() performs some extra checking to only match
158// console FDs.
159// |fd| must be a real file descriptor, meaning STDxx_FILENO or unix_open() FDs
160// will work but adb_open() FDs will not. Additionally the OS handle associated
161// with |fd| must have GENERIC_READ access (which console FDs have by default).
162// Returns 1 if |fd| is a console FD, 0 otherwise. The value of errno after
163// calling this function is unreliable and should not be used.
164int unix_isatty(int fd);
165#define isatty ___xxx_isatty
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800166
Spencer Low5200c662015-07-30 23:07:55 -0700167int network_inaddr_any_server(int port, int type, std::string* error);
Josh Gaocfb21412016-08-24 18:38:44 -0700168
169inline int network_local_client(const char* name, int namespace_id, int type, std::string* error) {
170 abort();
171}
172
173inline int network_local_server(const char* name, int namespace_id, int type, std::string* error) {
174 abort();
175}
176
Spencer Low5200c662015-07-30 23:07:55 -0700177int network_connect(const std::string& host, int port, int type, int timeout,
178 std::string* error);
179
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800180extern int adb_socket_accept(int serverfd, struct sockaddr* addr, socklen_t *addrlen);
181
182#undef accept
183#define accept ___xxx_accept
184
David Purselleaae97e2016-04-07 11:25:48 -0700185// Returns the local port number of a bound socket, or -1 on failure.
186int adb_socket_get_local_port(int fd);
187
Spencer Lowf055c192015-01-25 14:40:16 -0800188extern int adb_setsockopt(int fd, int level, int optname, const void* optval, socklen_t optlen);
189
190#undef setsockopt
191#define setsockopt ___xxx_setsockopt
192
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800193extern int adb_socketpair( int sv[2] );
194
Josh Gao3777d2e2016-02-16 17:34:53 -0800195struct adb_pollfd {
196 int fd;
197 short events;
198 short revents;
199};
200extern int adb_poll(adb_pollfd* fds, size_t nfds, int timeout);
201#define poll ___xxx_poll
202
Elliott Hughes5c742702015-07-30 17:42:01 -0700203static __inline__ int adb_is_absolute_host_path(const char* path) {
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800204 return isalpha(path[0]) && path[1] == ':' && path[2] == '\\';
205}
206
Spencer Lowcf4ff642015-05-11 01:08:48 -0700207// UTF-8 versions of POSIX APIs.
208extern DIR* adb_opendir(const char* dirname);
209extern struct dirent* adb_readdir(DIR* dir);
210extern int adb_closedir(DIR* dir);
211
212extern int adb_utime(const char *, struct utimbuf *);
213extern int adb_chmod(const char *, int);
214
215extern int adb_vfprintf(FILE *stream, const char *format, va_list ap)
216 __attribute__((__format__(ADB_FORMAT_ARCHETYPE, 2, 0)));
Spencer Lowa30b79a2015-11-15 16:29:36 -0800217extern int adb_vprintf(const char *format, va_list ap)
218 __attribute__((__format__(ADB_FORMAT_ARCHETYPE, 1, 0)));
Spencer Lowcf4ff642015-05-11 01:08:48 -0700219extern int adb_fprintf(FILE *stream, const char *format, ...)
220 __attribute__((__format__(ADB_FORMAT_ARCHETYPE, 2, 3)));
221extern int adb_printf(const char *format, ...)
222 __attribute__((__format__(ADB_FORMAT_ARCHETYPE, 1, 2)));
223
224extern int adb_fputs(const char* buf, FILE* stream);
225extern int adb_fputc(int ch, FILE* stream);
Spencer Lowa30b79a2015-11-15 16:29:36 -0800226extern int adb_putchar(int ch);
227extern int adb_puts(const char* buf);
Spencer Lowcf4ff642015-05-11 01:08:48 -0700228extern size_t adb_fwrite(const void* ptr, size_t size, size_t nmemb,
229 FILE* stream);
230
231extern FILE* adb_fopen(const char* f, const char* m);
232
233extern char* adb_getenv(const char* name);
234
235extern char* adb_getcwd(char* buf, int size);
236
237// Remap calls to POSIX APIs to our UTF-8 versions.
238#define opendir adb_opendir
239#define readdir adb_readdir
240#define closedir adb_closedir
241#define rewinddir rewinddir_utf8_not_yet_implemented
242#define telldir telldir_utf8_not_yet_implemented
Spencer Low363af562015-11-07 18:51:54 -0800243// Some compiler's C++ headers have members named seekdir, so we can't do the
244// macro technique and instead cause a link error if seekdir is called.
245inline void seekdir(DIR*, long) {
246 extern int seekdir_utf8_not_yet_implemented;
247 seekdir_utf8_not_yet_implemented = 1;
248}
Spencer Lowcf4ff642015-05-11 01:08:48 -0700249
250#define utime adb_utime
251#define chmod adb_chmod
252
253#define vfprintf adb_vfprintf
Spencer Lowa30b79a2015-11-15 16:29:36 -0800254#define vprintf adb_vprintf
Spencer Lowcf4ff642015-05-11 01:08:48 -0700255#define fprintf adb_fprintf
256#define printf adb_printf
257#define fputs adb_fputs
258#define fputc adb_fputc
Spencer Lowa30b79a2015-11-15 16:29:36 -0800259// putc may be a macro, so if so, undefine it, so that we can redefine it.
260#undef putc
261#define putc(c, s) adb_fputc(c, s)
262#define putchar adb_putchar
263#define puts adb_puts
Spencer Lowcf4ff642015-05-11 01:08:48 -0700264#define fwrite adb_fwrite
265
266#define fopen adb_fopen
Spencer Lowa30b79a2015-11-15 16:29:36 -0800267#define freopen freopen_utf8_not_yet_implemented
Spencer Lowcf4ff642015-05-11 01:08:48 -0700268
269#define getenv adb_getenv
270#define putenv putenv_utf8_not_yet_implemented
271#define setenv setenv_utf8_not_yet_implemented
272#define unsetenv unsetenv_utf8_not_yet_implemented
273
274#define getcwd adb_getcwd
275
Spencer Lowcf4ff642015-05-11 01:08:48 -0700276// Helper class to convert UTF-16 argv from wmain() to UTF-8 args that can be
277// passed to main().
278class NarrowArgs {
279public:
280 NarrowArgs(int argc, wchar_t** argv);
281 ~NarrowArgs();
282
283 inline char** data() {
284 return narrow_args;
285 }
286
287private:
288 char** narrow_args;
289};
290
Spencer Low5c398d22015-08-08 15:07:07 -0700291// Windows HANDLE values only use 32-bits of the type, even on 64-bit machines,
292// so they can fit in an int. To convert back, we just need to sign-extend.
293// https://msdn.microsoft.com/en-us/library/windows/desktop/aa384203%28v=vs.85%29.aspx
294// Note that this does not make a HANDLE value work with APIs like open(), nor
295// does this make a value from open() passable to APIs taking a HANDLE. This
296// just lets you take a HANDLE, pass it around as an int, and then use it again
297// as a HANDLE.
298inline int cast_handle_to_int(const HANDLE h) {
299 // truncate
300 return static_cast<int>(reinterpret_cast<INT_PTR>(h));
301}
302
303inline HANDLE cast_int_to_handle(const int fd) {
304 // sign-extend
305 return reinterpret_cast<HANDLE>(static_cast<INT_PTR>(fd));
306}
307
Spencer Low2122c7a2015-08-26 18:46:09 -0700308// Deleter for unique_handle. Adapted from many sources, including:
309// http://stackoverflow.com/questions/14841396/stdunique-ptr-deleters-and-the-win32-api
310// https://visualstudiomagazine.com/articles/2013/09/01/get-a-handle-on-the-windows-api.aspx
311class handle_deleter {
312public:
313 typedef HANDLE pointer;
314
315 void operator()(HANDLE h);
316};
317
318// Like std::unique_ptr, but for Windows HANDLE objects that should be
319// CloseHandle()'d. Operator bool() only checks if the handle != nullptr,
320// but does not check if the handle != INVALID_HANDLE_VALUE.
321typedef std::unique_ptr<HANDLE, handle_deleter> unique_handle;
322
Spencer Lowa30b79a2015-11-15 16:29:36 -0800323namespace internal {
324
325size_t ParseCompleteUTF8(const char* first, const char* last, std::vector<char>* remaining_bytes);
326
327}
328
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800329#else /* !_WIN32 a.k.a. Unix */
330
Spencer Low5200c662015-07-30 23:07:55 -0700331#include <cutils/sockets.h>
Spencer Low8d8126a2015-07-21 02:06:26 -0700332#include <cutils/threads.h>
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800333#include <fcntl.h>
Josh Gao3777d2e2016-02-16 17:34:53 -0800334#include <poll.h>
335#include <signal.h>
336#include <sys/stat.h>
337#include <sys/wait.h>
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800338
339#include <pthread.h>
340#include <unistd.h>
341#include <fcntl.h>
342#include <stdarg.h>
Spencer Low5200c662015-07-30 23:07:55 -0700343#include <netdb.h>
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800344#include <netinet/in.h>
345#include <netinet/tcp.h>
346#include <string.h>
Kenny Root73167412012-10-12 15:26:45 -0700347#include <unistd.h>
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800348
Alex Vallée47d67c92015-05-06 16:26:00 -0400349#include <string>
350
Elliott Hughes5c742702015-07-30 17:42:01 -0700351#define OS_PATH_SEPARATORS "/"
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800352#define OS_PATH_SEPARATOR '/'
353#define OS_PATH_SEPARATOR_STR "/"
Benoit Gobyd5fcafa2012-04-12 12:23:49 -0700354#define ENV_PATH_SEPARATOR_STR ":"
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800355
Josh Gao07db1192015-11-07 15:38:19 -0800356static __inline__ bool adb_is_separator(char c) {
357 return c == '/';
358}
359
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800360static __inline__ void close_on_exec(int fd)
361{
David 'Digit' Turnerf6330a22009-05-18 17:36:28 +0200362 fcntl( fd, F_SETFD, FD_CLOEXEC );
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800363}
364
Spencer Low6ac5d7d2015-05-22 20:09:06 -0700365// Open a file and return a file descriptor that may be used with unix_read(),
366// unix_write(), unix_close(), but not adb_read(), adb_write(), adb_close().
367//
368// On Unix, this is based on open(), so the file descriptor is a real OS file
369// descriptor, but the Windows implementation (in sysdeps_win32.cpp) returns a
370// file descriptor that can only be used with C Runtime APIs (which are wrapped
371// by unix_read(), unix_write(), unix_close()). Also, the C Runtime has
372// configurable CR/LF translation which defaults to text mode, but is settable
373// with _setmode().
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800374static __inline__ int unix_open(const char* path, int options,...)
375{
376 if ((options & O_CREAT) == 0)
377 {
Kenny Root73167412012-10-12 15:26:45 -0700378 return TEMP_FAILURE_RETRY( open(path, options) );
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800379 }
380 else
381 {
382 int mode;
383 va_list args;
384 va_start( args, options );
385 mode = va_arg( args, int );
386 va_end( args );
Kenny Root73167412012-10-12 15:26:45 -0700387 return TEMP_FAILURE_RETRY( open( path, options, mode ) );
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800388 }
389}
390
Spencer Low6ac5d7d2015-05-22 20:09:06 -0700391// Similar to the two-argument adb_open(), but takes a mode parameter for file
392// creation. See adb_open() for more info.
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800393static __inline__ int adb_open_mode( const char* pathname, int options, int mode )
394{
Kenny Root73167412012-10-12 15:26:45 -0700395 return TEMP_FAILURE_RETRY( open( pathname, options, mode ) );
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800396}
397
398
Spencer Low6ac5d7d2015-05-22 20:09:06 -0700399// Open a file and return a file descriptor that may be used with adb_read(),
400// adb_write(), adb_close(), but not unix_read(), unix_write(), unix_close().
401//
402// On Unix, this is based on open(), but the Windows implementation (in
403// sysdeps_win32.cpp) uses Windows native file I/O and bypasses the C Runtime
404// and its CR/LF translation. The returned file descriptor should be used with
405// adb_read(), adb_write(), adb_close(), etc.
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800406static __inline__ int adb_open( const char* pathname, int options )
407{
Kenny Root73167412012-10-12 15:26:45 -0700408 int fd = TEMP_FAILURE_RETRY( open( pathname, options ) );
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800409 if (fd < 0)
410 return -1;
411 close_on_exec( fd );
412 return fd;
413}
414#undef open
415#define open ___xxx_open
416
Josh Gao2e1e7892018-03-23 13:03:28 -0700417static __inline__ int adb_shutdown(int fd, int direction = SHUT_RDWR) {
David Pursell1ed57f02015-10-06 15:30:03 -0700418 return shutdown(fd, direction);
419}
Josh Gao2e1e7892018-03-23 13:03:28 -0700420
Mike Lockwood8cf0d592009-10-11 23:04:18 -0400421#undef shutdown
422#define shutdown ____xxx_shutdown
423
Spencer Low6ac5d7d2015-05-22 20:09:06 -0700424// Closes a file descriptor that came from adb_open() or adb_open_mode(), but
425// not designed to take a file descriptor from unix_open(). See the comments
426// for adb_open() for more info.
Josh Gaof0d3b4f2016-03-04 15:15:56 -0800427__inline__ int adb_close(int fd) {
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800428 return close(fd);
429}
430#undef close
431#define close ____xxx_close
432
Casey Dahlin2fe9b602016-09-21 14:03:39 -0700433// On Windows, ADB has an indirection layer for file descriptors. If we get a
434// Win32 SOCKET object from an external library, we have to map it in to that
435// indirection layer, which this does.
436__inline__ int adb_register_socket(int s) {
437 return s;
438}
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800439
440static __inline__ int adb_read(int fd, void* buf, size_t len)
441{
Kenny Root73167412012-10-12 15:26:45 -0700442 return TEMP_FAILURE_RETRY( read( fd, buf, len ) );
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800443}
444
Spencer Low2e02dc62015-11-07 17:34:39 -0800445// Like unix_read(), but does not handle EINTR.
446static __inline__ int unix_read_interruptible(int fd, void* buf, size_t len) {
447 return read(fd, buf, len);
448}
449
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800450#undef read
451#define read ___xxx_read
452
453static __inline__ int adb_write(int fd, const void* buf, size_t len)
454{
Kenny Root73167412012-10-12 15:26:45 -0700455 return TEMP_FAILURE_RETRY( write( fd, buf, len ) );
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800456}
457#undef write
458#define write ___xxx_write
459
460static __inline__ int adb_lseek(int fd, int pos, int where)
461{
462 return lseek(fd, pos, where);
463}
464#undef lseek
465#define lseek ___xxx_lseek
466
467static __inline__ int adb_unlink(const char* path)
468{
469 return unlink(path);
470}
471#undef unlink
472#define unlink ___xxx_unlink
473
474static __inline__ int adb_creat(const char* path, int mode)
475{
Kenny Root73167412012-10-12 15:26:45 -0700476 int fd = TEMP_FAILURE_RETRY( creat( path, mode ) );
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800477
David 'Digit' Turnerf6330a22009-05-18 17:36:28 +0200478 if ( fd < 0 )
479 return -1;
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800480
481 close_on_exec(fd);
David 'Digit' Turnerf6330a22009-05-18 17:36:28 +0200482 return fd;
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800483}
484#undef creat
485#define creat ___xxx_creat
486
David Pursellc5b8ad82015-10-28 14:29:51 -0700487static __inline__ int unix_isatty(int fd) {
488 return isatty(fd);
489}
490#define isatty ___xxx_isatty
491
Spencer Low5200c662015-07-30 23:07:55 -0700492// Helper for network_* functions.
493inline int _fd_set_error_str(int fd, std::string* error) {
494 if (fd == -1) {
495 *error = strerror(errno);
496 }
497 return fd;
498}
499
Spencer Low5200c662015-07-30 23:07:55 -0700500inline int network_inaddr_any_server(int port, int type, std::string* error) {
501 return _fd_set_error_str(socket_inaddr_any_server(port, type), error);
502}
503
Josh Gaocfb21412016-08-24 18:38:44 -0700504inline int network_local_client(const char* name, int namespace_id, int type, std::string* error) {
505 return _fd_set_error_str(socket_local_client(name, namespace_id, type), error);
506}
507
508inline int network_local_server(const char* name, int namespace_id, int type, std::string* error) {
509 return _fd_set_error_str(socket_local_server(name, namespace_id, type), error);
Spencer Low5200c662015-07-30 23:07:55 -0700510}
511
512inline int network_connect(const std::string& host, int port, int type,
513 int timeout, std::string* error) {
514 int getaddrinfo_error = 0;
515 int fd = socket_network_client_timeout(host.c_str(), port, type, timeout,
516 &getaddrinfo_error);
517 if (fd != -1) {
518 return fd;
519 }
520 if (getaddrinfo_error != 0) {
521 *error = gai_strerror(getaddrinfo_error);
522 } else {
523 *error = strerror(errno);
524 }
525 return -1;
526}
527
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800528static __inline__ int adb_socket_accept(int serverfd, struct sockaddr* addr, socklen_t *addrlen)
529{
Benoit Goby95ef8282011-02-01 18:57:41 -0800530 int fd;
531
Kenny Root73167412012-10-12 15:26:45 -0700532 fd = TEMP_FAILURE_RETRY( accept( serverfd, addr, addrlen ) );
Benoit Goby95ef8282011-02-01 18:57:41 -0800533 if (fd >= 0)
534 close_on_exec(fd);
535
536 return fd;
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800537}
538
539#undef accept
540#define accept ___xxx_accept
541
David Purselleaae97e2016-04-07 11:25:48 -0700542inline int adb_socket_get_local_port(int fd) {
543 return socket_get_local_port(fd);
544}
545
Spencer Low6ac5d7d2015-05-22 20:09:06 -0700546// Operate on a file descriptor returned from unix_open() or a well-known file
547// descriptor such as STDIN_FILENO, STDOUT_FILENO, STDERR_FILENO.
548//
549// On Unix, unix_read(), unix_write(), unix_close() map to adb_read(),
550// adb_write(), adb_close() (which all map to Unix system calls), but the
551// Windows implementations (in the ifdef above and in sysdeps_win32.cpp) call
552// into the C Runtime and its configurable CR/LF translation (which is settable
553// via _setmode()).
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800554#define unix_read adb_read
555#define unix_write adb_write
556#define unix_close adb_close
557
Siva Velusamy49ee7cf2015-08-28 16:37:29 -0700558static __inline__ int adb_thread_setname(const std::string& name) {
559#ifdef __APPLE__
560 return pthread_setname_np(name.c_str());
561#else
Elliott Hughes7462f182017-08-02 13:22:38 -0700562 // Both bionic and glibc's pthread_setname_np fails rather than truncating long strings.
563 // glibc doesn't have strlcpy, so we have to fake it.
564 char buf[16]; // MAX_TASK_COMM_LEN, but that's not exported by the kernel headers.
565 strncpy(buf, name.c_str(), sizeof(buf) - 1);
566 buf[sizeof(buf) - 1] = '\0';
567 return pthread_setname_np(pthread_self(), buf);
Siva Velusamy49ee7cf2015-08-28 16:37:29 -0700568#endif
569}
570
Spencer Lowf055c192015-01-25 14:40:16 -0800571static __inline__ int adb_setsockopt( int fd, int level, int optname, const void* optval, socklen_t optlen )
572{
573 return setsockopt( fd, level, optname, optval, optlen );
574}
575
576#undef setsockopt
577#define setsockopt ___xxx_setsockopt
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800578
579static __inline__ int unix_socketpair( int d, int type, int protocol, int sv[2] )
580{
581 return socketpair( d, type, protocol, sv );
582}
583
584static __inline__ int adb_socketpair( int sv[2] )
585{
586 int rc;
587
588 rc = unix_socketpair( AF_UNIX, SOCK_STREAM, 0, sv );
589 if (rc < 0)
590 return -1;
591
592 close_on_exec( sv[0] );
593 close_on_exec( sv[1] );
594 return 0;
595}
596
597#undef socketpair
598#define socketpair ___xxx_socketpair
599
Josh Gao3777d2e2016-02-16 17:34:53 -0800600typedef struct pollfd adb_pollfd;
601static __inline__ int adb_poll(adb_pollfd* fds, size_t nfds, int timeout) {
602 return TEMP_FAILURE_RETRY(poll(fds, nfds, timeout));
603}
604
605#define poll ___xxx_poll
606
Alex Vallée47d67c92015-05-06 16:26:00 -0400607static __inline__ int adb_mkdir(const std::string& path, int mode)
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800608{
Alex Vallée47d67c92015-05-06 16:26:00 -0400609 return mkdir(path.c_str(), mode);
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800610}
Alex Vallée47d67c92015-05-06 16:26:00 -0400611
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800612#undef mkdir
613#define mkdir ___xxx_mkdir
614
Alex Vallée47d67c92015-05-06 16:26:00 -0400615static __inline__ int adb_is_absolute_host_path(const char* path) {
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800616 return path[0] == '/';
617}
618
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800619#endif /* !_WIN32 */
620
Elliott Hughescc65c3b2015-11-20 22:01:06 -0800621static inline void disable_tcp_nagle(int fd) {
622 int off = 1;
623 adb_setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &off, sizeof(off));
624}
625
David Pursellbfd95032016-02-22 14:27:23 -0800626// Sets TCP socket |fd| to send a keepalive TCP message every |interval_sec| seconds. Set
627// |interval_sec| to 0 to disable keepalives. If keepalives are enabled, the connection will be
628// configured to drop after 10 missed keepalives. Returns true on success.
629bool set_tcp_keepalive(int fd, int interval_sec);
630
Elliott Hughes0aeb5052016-06-29 17:42:01 -0700631#if defined(_WIN32)
632// Win32 defines ERROR, which we don't need, but which conflicts with google3 logging.
633#undef ERROR
634#endif
635
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800636#endif /* _ADB_SYSDEPS_H */