mirror of
https://github.com/systemd/systemd-stable.git
synced 2024-10-30 23:21:08 +03:00
141 lines
4.0 KiB
C
141 lines
4.0 KiB
C
/*
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* unistd.h
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*/
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#ifndef _UNISTD_H
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#define _UNISTD_H
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#include <klibc/extern.h>
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#include <klibc/compiler.h>
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#include <stddef.h>
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#include <sys/types.h>
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#include <sys/select.h>
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__extern char **environ;
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__extern __noreturn _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 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 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 getfsuid(uid_t);
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__extern int setfsuid(uid_t);
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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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/* Also in <fcntl.h> */
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#ifndef _KLIBC_IN_OPEN_C
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__extern int open(const char *, int, ...);
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#endif
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__extern int close(int);
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__extern off_t lseek(int, off_t, int);
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/* off_t is 64 bits now even on 32-bit platforms; see llseek.c */
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static __inline__ off_t llseek(int __f, off_t __o, int __w) {
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return lseek(__f, __o, __w);
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}
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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, void *);
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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 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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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 daemon(int, int);
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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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#endif /* _UNISTD_H */
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