1 #ifndef _UNISTD_H_ 2 #define _UNISTD_H_ 3 /* 4 ** Distributed under the terms of the OpenBeOS License. 5 */ 6 7 #include <null.h> 8 #include <sys/types.h> 9 10 #ifdef __cplusplus 11 extern "C" { 12 #endif 13 14 /* access modes */ 15 #define R_OK 4 16 #define W_OK 2 17 #define X_OK 1 18 #define F_OK 0 19 20 /* standard file descriptors */ 21 #define STDIN_FILENO 0 22 #define STDOUT_FILENO 1 23 #define STDERR_FILENO 2 24 25 /* pathconf() constants */ 26 #define _PC_CHOWN_RESTRICTED 1 27 #define _PC_MAX_CANON 2 28 #define _PC_MAX_INPUT 3 29 #define _PC_NAME_MAX 4 30 #define _PC_NO_TRUNC 5 31 #define _PC_PATH_MAX 6 32 #define _PC_PIPE_BUF 7 33 #define _PC_VDISABLE 8 34 #define _POSIX_CHOWN_RESTRICTED 9 35 #define _POSIX_JOB_CONTROL 10 36 #define _POSIX_NO_TRUNC 11 37 #define _POSIX_SAVED_IDS 12 38 #define _POSIX_VDISABLE ((cc_t) - 2) 39 #define _POSIX_VERSION (199009L) 40 41 /* sysconf() constants */ 42 #define _SC_ARG_MAX 15 43 #define _SC_CHILD_MAX 16 44 #define _SC_CLK_TCK 17 45 #define _SC_JOB_CONTROL 18 46 #define _SC_NGROUPS_MAX 19 47 #define _SC_OPEN_MAX 20 48 #define _SC_SAVED_IDS 21 49 #define _SC_STREAM_MAX 22 50 #define _SC_TZNAME_MAX 23 51 #define _SC_VERSION 24 52 #define _PC_LINK_MAX 25 53 54 /* lseek() constants */ 55 #ifndef SEEK_SET 56 # define SEEK_SET 0 57 #endif 58 #ifndef SEEK_CUR 59 # define SEEK_CUR 1 60 #endif 61 #ifndef SEEK_END 62 # define SEEK_END 2 63 #endif 64 65 // ToDo: unimplemented functions are commented out 66 67 /* file functions */ 68 extern int access(const char *path, int accessMode); 69 70 extern int chdir(const char *path); 71 extern int fchdir(int fd); 72 extern char *getcwd(char *buffer, size_t size); 73 74 //extern int pipe(int fildes[2]); 75 extern int dup(int fd); 76 extern int dup2(int fd1, int fd2); 77 extern int close(int fd); 78 extern int link(const char *name, const char *new_name); 79 extern int unlink(const char *name); 80 extern int rmdir(const char *path); 81 82 extern ssize_t readlink(const char *path, char *buffer, size_t bufferSize); 83 extern int symlink(const char *from, const char *to); 84 85 extern int ftruncate(int fd, off_t newSize); 86 extern int truncate(const char *path, off_t newSize); 87 extern int ioctl(int fd, unsigned long op, ...); 88 89 extern ssize_t read(int fd, void *buffer, size_t count); 90 extern ssize_t read_pos(int fd, off_t pos, void *buffer, size_t count); 91 extern ssize_t pread(int fd, void *buffer, size_t count, off_t pos); 92 extern ssize_t write(int fd, const void *buffer, size_t count); 93 extern ssize_t write_pos(int fd, off_t pos, const void *buffer,size_t count); 94 extern ssize_t pwrite(int fd, const void *buffer, size_t count, off_t pos); 95 extern off_t lseek(int fd, off_t offset, int whence); 96 97 //extern int sync(void); 98 //extern int fsync(int fd); 99 100 extern int chown(const char *path, uid_t owner, gid_t group); 101 extern int fchown(int fd, uid_t owner, gid_t group); 102 extern int lchown(const char *path, uid_t owner, gid_t group); 103 104 //extern int mknod(const char *name, mode_t mode, dev_t dev); 105 106 /* mount flags */ 107 #define B_MOUNT_READ_ONLY 1 108 #define B_MOUNT_VIRTUAL_DEVICE 2 109 110 extern int mount(const char *filesystem, const char *where, const char *device, 111 ulong flags, void *parms, int len); 112 extern int unmount(const char *path); 113 114 extern int getdtablesize(void); 115 extern long sysconf(int name); 116 extern long fpathconf(int fd, int name); 117 extern long pathconf(const char *path, int name); 118 119 /* process functions */ 120 //extern pid_t fork(void); 121 //extern int execve(const char *path, char * const argv[], char * const envp[]); 122 //extern int execl(const char *path, const char *arg, ...); 123 //extern int execv(const char *path, char *const *argv); 124 //extern int execlp(const char *file, const char *arg, ...); 125 //extern int execle(const char *path, const char *arg , ... /*, char **envp */); 126 //extern int exect(const char *path, char *const *argv); 127 //extern int execvp(const char *file, char *const *argv); 128 129 //extern void _exit(int status); 130 131 //extern int system(const char *string); 132 //extern pid_t tcgetpgrp(int fd); 133 //extern int tcsetpgrp(int fd, pid_t pgrpid); 134 //extern void *sbrk(long incr); 135 136 //extern uint alarm(unsigned int seconds); 137 //extern uint ualarm(unsigned int microSeconds); 138 extern uint sleep(unsigned int seconds); 139 extern int usleep(unsigned int microSeconds); 140 //extern clock_t clock(void); 141 //extern int pause(void); 142 143 /* access permissions */ 144 //extern gid_t getegid(void); 145 //extern uid_t geteuid(void); 146 //extern gid_t getgid(void); 147 //extern int getgroups(int size, gid_t list[]); 148 //extern pid_t getpgrp(void); 149 //extern pid_t getpid(void); 150 //extern pid_t getppid(void); 151 //extern uid_t getuid(void); 152 //extern char *cuserid(char *s); 153 154 //extern int setgid(gid_t gid); 155 //extern int setpgid(pid_t pid, pid_t pgid); 156 //extern pid_t setsid(void); 157 //extern int setuid(uid_t uid); 158 159 //extern char *getlogin(void); 160 //extern int sethostname(const char *hostName, size_t namelen); 161 //extern int gethostname(char *hostName, size_t namelen); 162 163 /* tty */ 164 //extern int isatty(int fd); 165 //extern char *ttyname(int fd); 166 //extern int ttyname_r(int fd, char *buf, size_t buflen); 167 //extern char *ctermid(char *s); 168 169 /* misc */ 170 //extern char *crypt(const char *key, const char *salt); 171 extern int getopt(int argc, char *const *argv, const char *shortopts); 172 173 /* getopt() related external variables */ 174 extern char *optarg; 175 extern int optind, opterr, optopt; 176 177 // ToDo: should be moved to stdlib.h 178 extern char **environ; 179 180 #ifdef __cplusplus 181 } 182 #endif 183 184 #endif /* _UNISTD_H_ */ 185