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gerrit-public.fairphone.software / fp2-dev / platform / development / 7c2ba504e9c10e67f27e7b0aff90981c469d2701 / . / ndk / platforms / android-3 / include / unistd.h
blob: 6d0515a04116380ddfab73b0df8a1e4693446c24 [file] [log] [blame]
David 'Digit' Turner70121172010-09-22 18:04:36 +0200[diff] [blame]1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in
12 * the documentation and/or other materials provided with the
13 * distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28#ifndef _UNISTD_H_
29#define _UNISTD_H_
30
31#include <stddef.h>
32#include <sys/cdefs.h>
33#include <sys/types.h>
34#include <sys/select.h>
35#include <sys/sysconf.h>
36#include <linux/capability.h>
37#include <pathconf.h>
38
39__BEGIN_DECLS
40
41/* Standard file descriptor numbers. */
42#define STDIN_FILENO 0
43#define STDOUT_FILENO 1
44#define STDERR_FILENO 2
45
46/* Values for whence in fseek and lseek */
47#define SEEK_SET 0
48#define SEEK_CUR 1
49#define SEEK_END 2
50
51extern char **environ;
52extern __noreturn void _exit(int);
53
54extern pid_t fork(void);
55extern pid_t vfork(void);
56extern pid_t getpid(void);
57extern pid_t gettid(void);
58extern pid_t getpgid(pid_t);
59extern int setpgid(pid_t, pid_t);
60extern pid_t getppid(void);
61extern pid_t getpgrp(void);
62extern int setpgrp(void);
63extern pid_t setsid(void);
David 'Digit' Turner70121172010-09-22 18:04:36 +0200[diff] [blame]64
65extern int execv(const char *, char * const *);
66extern int execvp(const char *, char * const *);
67extern int execve(const char *, char * const *, char * const *);
David 'Digit' Turner70121172010-09-22 18:04:36 +0200[diff] [blame]68extern int execl(const char *, const char *, ...);
69extern int execlp(const char *, const char *, ...);
70extern int execle(const char *, const char *, ...);
David 'Digit' Turner70121172010-09-22 18:04:36 +0200[diff] [blame]71extern int capget(cap_user_header_t hdrp, cap_user_data_t datap);
72extern int capset(cap_user_header_t hdrp, const cap_user_data_t datap);
73extern int prctl(int option, unsigned long arg2, unsigned long arg3,
74 unsigned long arg4, unsigned long arg5);
75
76extern int nice(int);
77
78extern int setuid(uid_t);
79extern uid_t getuid(void);
80extern int seteuid(uid_t);
81extern uid_t geteuid(void);
82extern int setgid(gid_t);
83extern gid_t getgid(void);
84extern int setegid(gid_t);
85extern gid_t getegid(void);
86extern int getgroups(int, gid_t *);
87extern int setgroups(size_t, const gid_t *);
88extern int setreuid(uid_t, uid_t);
89extern int setregid(gid_t, gid_t);
90extern int setresuid(uid_t, uid_t, uid_t);
91extern int setresgid(gid_t, gid_t, gid_t);
92extern int getresuid(uid_t *ruid, uid_t *euid, uid_t *suid);
93extern int getresgid(gid_t *rgid, gid_t *egid, gid_t *sgid);
David 'Digit' Turner70121172010-09-22 18:04:36 +0200[diff] [blame]94extern int issetugid(void);
95extern char* getlogin(void);
David 'Digit' Turner70121172010-09-22 18:04:36 +0200[diff] [blame]96
97
98/* Macros for access() */
99#define R_OK 4 /* Read */
100#define W_OK 2 /* Write */
101#define X_OK 1 /* Execute */
102#define F_OK 0 /* Existence */
103
104extern int access(const char *, int);
105extern int link(const char *, const char *);
106extern int unlink(const char *);
107extern int chdir(const char *);
108extern int fchdir(int);
109extern int rmdir(const char *);
110extern int pipe(int *);
111extern int chroot(const char *);
112extern int symlink(const char *, const char *);
113extern int readlink(const char *, char *, size_t);
114extern int chown(const char *, uid_t, gid_t);
115extern int fchown(int, uid_t, gid_t);
116extern int lchown(const char *, uid_t, gid_t);
117extern int truncate(const char *, off_t);
118extern char *getcwd(char *, size_t);
119
120extern int sync(void);
121
122extern int close(int);
123extern off_t lseek(int, off_t, int);
124extern loff_t lseek64(int, loff_t, int);
125
126extern ssize_t read(int, void *, size_t);
127extern ssize_t write(int, const void *, size_t);
128extern ssize_t pread(int, void *, size_t, off_t);
129extern ssize_t pwrite(int, void *, size_t, off_t);
130
131extern int dup(int);
132extern int dup2(int, int);
133extern int fcntl(int, int, ...);
134extern int ioctl(int, int, ...);
135extern int flock(int, int);
136extern int fsync(int);
David 'Digit' Turner70121172010-09-22 18:04:36 +0200[diff] [blame]137extern int ftruncate(int, off_t);
138
139extern int pause(void);
140extern unsigned int alarm(unsigned int);
141extern unsigned int sleep(unsigned int);
142extern void usleep(unsigned long);
143
144extern int gethostname(char *, size_t);
David 'Digit' Turner70121172010-09-22 18:04:36 +0200[diff] [blame]145
146extern int getdtablesize(void);
147
148extern void *__brk(void *);
149extern int brk(void *);
150extern void *sbrk(ptrdiff_t);
151
152extern int getopt(int, char * const *, const char *);
153extern char *optarg;
154extern int optind, opterr, optopt;
155
156extern int isatty(int);
David 'Digit' Turner7c2ba502010-10-08 17:07:39 +0200[diff] [blame^]157extern char* ttyname(int);
David 'Digit' Turner70121172010-09-22 18:04:36 +0200[diff] [blame]158
159extern int acct(const char* filepath);
160
161static __inline__ int getpagesize(void) {
162 extern unsigned int __page_size;
163 return __page_size;
164}
165static __inline__ int __getpageshift(void) {
166 extern unsigned int __page_shift;
167 return __page_shift;
168}
169
170extern int sysconf(int name);
171
172extern int daemon(int, int);
173
174/* A special syscall that is only available on the ARM, not x86 function. */
175extern int cacheflush(long start, long end, long flags);
176
177extern pid_t tcgetpgrp(int fd);
178extern int tcsetpgrp(int fd, pid_t _pid);
179
David 'Digit' Turner7c2ba502010-10-08 17:07:39 +0200[diff] [blame^]180#if 0 /* MISSING FROM BIONIC */
181extern pid_t getsid(pid_t);
182extern int execvpe(const char *, char * const *, char * const *);
183extern int execlpe(const char *, const char *, ...);
184extern int getfsuid(uid_t);
185extern int setfsuid(uid_t);
186extern int fdatasync(int);
187extern int getlogin_r(char* name, size_t namesize);
188extern char* getusershell(void);
189extern void setusershell(void);
190extern void endusershell(void);
191extern int sethostname(const char *, size_t);
192extern int getdomainname(char *, size_t);
193extern int setdomainname(const char *, size_t);
194extern int ttyname_r(int, char*, size_t);
195#endif /* MISSING */
196
197/* Used to retry syscalls that can return EINTR. */
198#define TEMP_FAILURE_RETRY(exp) ({ \
199 typeof (exp) _rc; \
200 do { \
201 _rc = (exp); \
202 } while (_rc == -1 && errno == EINTR); \
203 _rc; })
204
David 'Digit' Turner70121172010-09-22 18:04:36 +0200[diff] [blame]205__END_DECLS
206
207#endif /* _UNISTD_H_ */