- /*Our own header, to be included after all standard system headers*/
- #ifndef __ourhdr_h
- #define __ourhdr_h
- #include <errno.h>/*for definition of errno */
- #include <stdarg.h>/*ANSI C header file*/
- #include <sys/types.h> /* required for some of our prototypes */
- #include <stdio.h> /* for convenience */
- #include <stdlib.h> /* for convenience */
- #include <string.h> /* for convenience */
- #include <unistd.h> /* for convenience */
- #define MAXLINE 4096 /* max line length */
- #define FILE_MODE (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)
- /* default file access permissions for new files */
- #define DIR_MODE (FILE_MODE | S_IXUSR | S_IXGRP | S_IXOTH)
- /* default permissions for new directoris */
- typedef void Sigfunc(int); /* for signal handlers */
- /* 4.3BSD Reno <signal.h> doesn’t define
- SIG_ERR */
- #if defined(SIG_IGN) && !defined(SIG_ERR)
- #define SIG_ERR ((Sigfunc *)-1)
- #endif
- #define min(a,b) ((a) < (b) ? (a) : (b))
- #define max(a,b) ((a) > (b) ? (a) : (b))
- /* prototypes for our own functions */
- char *path_alloc(int *); /* {Prog pathalloc} */
- int open_max(void); /* {Prog openmax} */
- void clr_fl(int, int); /* {Prog setfl} */
- void set_fl(int, int); /* {Prog setfl} */
- void pr_exit(int); /* {Prog prexit} */
- void pr_mask(const char *); /* {Prog prmask} */
- Sigfunc *signal_intr(int, Sigfunc *);/* {Prog signal_intr_function} */
- int tty_cbreak(int); /* {Prog raw} */
- int tty_raw(int); /* {Prog raw} */
- int tty_reset(int); /* {Prog raw} */
- void tty_atexit(void); /* {Prog raw} */
- #ifdef ECHO /* only if <termios.h> has been included */
- struct termios *tty_termios(void); /* {Prog raw} */
- #endif
- void sleep_us(unsigned int); /* {Ex sleepus} */
- ssize_t readn(int, void *, size_t);/* {Prog readn} */
- ssize_t writen(int, const void *, size_t);/* {Prog writen} */
- int daemon_init(void); /* {Prog daemoninit} */
- int s_pipe(int *); /* {Progs svr4_spipe bsd spipe} */
- int recv_fd(int, ssize_t (*func)(int, const void *, size_t));
- /* {Prog recvfd_svr4 recvfd_43bsd} */
- int send_fd(int, int); /* {Progs sendfd_svr4 se dfd_43bsd} */
- int send_err(int, int, const char *);/* {Prog senderr} */
- int serv_listen(const char *); /* {Progs servlisten_svr4 servli ten_4 4bsd} */
- int serv_accept(int, uid_t *); /* {Progs servaccept_svr4 servac ept_4 4bsd} */
- int cli_conn(const char *); /* {Progs cliconn_svr4 cliconn_4 bsd} */
- int buf_args(char *, int (*func)(int, char **));
- /* {Prog bufargs} */
- int ptym_open(char *); /* {Progs ptyopen_svr4 p yopen_44bsd} */
- int ptys_open(int, char *); /* {Progs ptyopen_svr4 ptyopen_4 bsd} */
- #ifdef TIOCGWINSZ
- pid_t pty_fork(int *, char *, const struct termios *,
- const struct winsize *); /* {Prog ptyfork */
- #endif
- int lock_reg(int, int, int, off_t, int, off_t);
- /* {Prog lockreg} */
- #define read_lock(fd, offset, whence, len) lock_reg(fd, F_SETLK, F_RDLCK, offset, whence, len)
- #define readw_lock(fd, offset, whence, len) lock_reg(fd, F_SETLKW, F_RDLCK, offset, whence, len)
- #define write_lock(fd, offset, whence, len) lock_reg(fd, F_SETLK, F_WRLCK, offset, whence, len)
- #define writew_lock(fd, offset, whence, len) lock_reg(fd, F_SETLKW, F_WRLCK, offset, whence, len)
- #define un_lock(fd, offset, whence, len) lock_reg(fd, F_SETLK, F_UNLCK, offset, whence, len)
- pid_t lock_test(int, int, off_t, int, off_t);
- /* {Prog locktest} */
- #define is_readlock(fd, offset, whence, len) lock_test(fd, F_RDLCK, offset, whence, len)
- #define is_writelock(fd, offset, whence, len) lock_test(fd, F_WRLCK, offset, whence, len)
- void err_dump(const char *, …); /* {App misc_source} */
- void err_msg(const char *, …);
- void err_quit(const char *, …);
- void err_ret(const char *, …);
- void err_sys(const char *, …);
- void log_msg(const char *, …); /* {App misc_source} */
- void log_open(const char *, int, int);
- void log_quit(const char *, …);
- void log_ret(const char *, …);
- void log_sys(const char *, …);
- void TELL_WAIT(void); /* parent/child from {Sec race_condition } */
- void TELL_PARENT(pid_t);
- void TELL_CHILD(pid_t);
- void WAIT_PARENT(void);
- void WAIT_CHILD(void);
- #endif /* __ourhdr_h */
Unix/Linux的“ourhdr.h”文件内容
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