Initial Contribution
This commit is contained in:
The Android Open Source Project
190
libc/include/unistd.h
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190
libc/include/unistd.h
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/*
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* Copyright (C) 2008 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _UNISTD_H_
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#define _UNISTD_H_
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#include <stddef.h>
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#include <sys/cdefs.h>
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#include <sys/types.h>
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#include <sys/select.h>
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#include <sys/sysconf.h>
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#include <linux/capability.h>
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__BEGIN_DECLS
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/* Standard file descriptor numbers. */
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#define STDIN_FILENO 0
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#define STDOUT_FILENO 1
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#define STDERR_FILENO 2
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/* Values for whence in fseek and lseek */
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#define SEEK_SET 0
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#define SEEK_CUR 1
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#define SEEK_END 2
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extern char **environ;
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extern __noreturn void _exit(int);
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extern pid_t fork(void);
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extern pid_t vfork(void);
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extern pid_t getpid(void);
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extern pid_t gettid(void);
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extern pid_t getpgid(pid_t);
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extern int setpgid(pid_t, pid_t);
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extern pid_t getppid(void);
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extern pid_t getpgrp(void);
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extern int setpgrp(void);
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extern pid_t setsid(void);
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extern pid_t getsid(pid_t);
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extern int execv(const char *, char * const *);
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extern int execvp(const char *, char * const *);
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extern int execve(const char *, char * const *, char * const *);
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extern int execvpe(const char *, char * const *, char * const *);
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extern int execl(const char *, const char *, ...);
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extern int execlp(const char *, const char *, ...);
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extern int execle(const char *, const char *, ...);
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extern int execlpe(const char *, const char *, ...);
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extern int capget(cap_user_header_t hdrp, cap_user_data_t datap);
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extern int capset(cap_user_header_t hdrp, const cap_user_data_t datap);
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extern int prctl(int option, unsigned long arg2, unsigned long arg3,
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unsigned long arg4, unsigned long arg5);
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extern int nice(int);
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extern int setuid(uid_t);
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extern uid_t getuid(void);
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extern int seteuid(uid_t);
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extern uid_t geteuid(void);
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extern int setgid(gid_t);
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extern gid_t getgid(void);
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extern int setegid(gid_t);
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extern gid_t getegid(void);
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extern int getgroups(int, gid_t *);
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extern int setgroups(size_t, const gid_t *);
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extern int setreuid(uid_t, uid_t);
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extern int setregid(gid_t, gid_t);
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extern int setresuid(uid_t, uid_t, uid_t);
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extern int setresgid(gid_t, gid_t, gid_t);
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extern int getresuid(uid_t *ruid, uid_t *euid, uid_t *suid);
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extern int getresgid(gid_t *rgid, gid_t *egid, gid_t *sgid);
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extern int getfsuid(uid_t);
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extern int setfsuid(uid_t);
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extern int issetugid(void);
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extern char* getlogin(void);
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extern int getlogin_r(char* name, size_t namesize);
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/* Macros for access() */
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#define R_OK 4 /* Read */
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#define W_OK 2 /* Write */
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#define X_OK 1 /* Execute */
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#define F_OK 0 /* Existence */
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extern int access(const char *, int);
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extern int link(const char *, const char *);
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extern int unlink(const char *);
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extern int chdir(const char *);
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extern int fchdir(int);
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extern int chmod(const char *, mode_t);
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extern int fchmod(int, mode_t);
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extern int mkdir(const char *, mode_t);
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extern int rmdir(const char *);
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extern int pipe(int *);
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extern int chroot(const char *);
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extern int symlink(const char *, const char *);
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extern int readlink(const char *, char *, size_t);
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extern int chown(const char *, uid_t, gid_t);
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extern int fchown(int, uid_t, gid_t);
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extern int lchown(const char *, uid_t, gid_t);
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extern char *getcwd(char *, size_t);
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extern int sync(void);
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extern int close(int);
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extern off_t lseek(int, off_t, int);
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extern loff_t lseek64(int, loff_t, int);
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extern ssize_t read(int, void *, size_t);
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extern ssize_t write(int, const void *, size_t);
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extern ssize_t pread(int, void *, size_t, off_t);
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extern ssize_t pwrite(int, void *, size_t, off_t);
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extern int dup(int);
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extern int dup2(int, int);
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extern int fcntl(int, int, ...);
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extern int ioctl(int, int, ...);
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extern int flock(int, int);
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extern int fsync(int);
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extern int fdatasync(int);
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extern int ftruncate(int, off_t);
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extern int pause(void);
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extern unsigned int alarm(unsigned int);
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extern unsigned int sleep(unsigned int);
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extern void usleep(unsigned long);
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extern int gethostname(char *, size_t);
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extern int sethostname(const char *, size_t);
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extern int getdomainname(char *, size_t);
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extern int setdomainname(const char *, size_t);
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extern int getdtablesize(void);
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extern void *__brk(void *);
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extern int brk(void *);
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extern void *sbrk(ptrdiff_t);
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extern int getopt(int, char * const *, const char *);
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extern char *optarg;
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extern int optind, opterr, optopt;
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extern int isatty(int);
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extern int acct(const char* filepath);
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static __inline__ int getpagesize(void) {
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extern unsigned int __page_size;
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return __page_size;
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}
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static __inline__ int __getpageshift(void) {
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extern unsigned int __page_shift;
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return __page_shift;
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}
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extern int sysconf(int name);
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extern int daemon(int, int);
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/* A special syscall that is only available on the ARM, not x86 function. */
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extern int cacheflush(long start, long end, long flags);
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__END_DECLS
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#endif /* _UNISTD_H_ */
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