109 lines
4.0 KiB
C
109 lines
4.0 KiB
C
/* Our own header, to be included *after* all standard system headers */
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#ifndef __ourhdr_h
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#define __ourhdr_h
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#include <sys/types.h> /* required for some of our prototypes */
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#include <stdio.h> /* for convenience */
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#include <stdlib.h> /* for convenience */
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#include <string.h> /* for convenience */
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#include <unistd.h> /* for convenience */
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#define MAXLINE 4096 /* max line length */
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#define FILE_MODE (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)
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/* default file access permissions for new files */
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#define DIR_MODE (FILE_MODE | S_IXUSR | S_IXGRP | S_IXOTH)
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/* default permissions for new directories */
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typedef void Sigfunc(int); /* for signal handlers */
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/* 4.3BSD Reno <signal.h> doesn't define SIG_ERR */
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#if defined(SIG_IGN) && !defined(SIG_ERR)
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#define SIG_ERR ((Sigfunc *)-1)
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#endif
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#define min(a,b) ((a) < (b) ? (a) : (b))
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#define max(a,b) ((a) > (b) ? (a) : (b))
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/* prototypes for our own functions */
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char *path_alloc(int *); /* {Prog pathalloc} */
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int open_max(void); /* {Prog openmax} */
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void clr_fl(int, int); /* {Prog setfl} */
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void set_fl(int, int); /* {Prog setfl} */
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void pr_exit(int); /* {Prog prexit} */
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void pr_mask(const char *); /* {Prog prmask} */
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Sigfunc *signal_intr(int, Sigfunc *);/* {Prog signal_intr_function} */
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int tty_cbreak(int); /* {Prog raw} */
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int tty_raw(int); /* {Prog raw} */
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int tty_reset(int); /* {Prog raw} */
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void tty_atexit(void); /* {Prog raw} */
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#ifdef ECHO /* only if <termios.h> has been included */
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struct termios *tty_termios(void); /* {Prog raw} */
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#endif
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void sleep_us(unsigned int); /* {Ex sleepus} */
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ssize_t readn(int, void *, size_t);/* {Prog readn} */
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ssize_t writen(int, const void *, size_t);/* {Prog writen} */
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int daemon_init(void); /* {Prog daemoninit} */
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int s_pipe(int *); /* {Progs svr4_spipe bsd_spipe} */
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int recv_fd(int, ssize_t (*func)(int, const void *, size_t));
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/* {Progs recvfd_svr4 recvfd_43bsd} */
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int send_fd(int, int); /* {Progs sendfd_svr4 sendfd_43bsd} */
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int send_err(int, int, const char *);/* {Prog senderr} */
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int serv_listen(const char *); /* {Progs servlisten_svr4 servlisten_44bsd} */
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int serv_accept(int, uid_t *); /* {Progs servaccept_svr4 servaccept_44bsd} */
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int cli_conn(const char *); /* {Progs cliconn_svr4 cliconn_44bsd} */
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int buf_args(char *, int (*func)(int, char **));
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/* {Prog bufargs} */
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int ptym_open(char *); /* {Progs ptyopen_svr4 ptyopen_44bsd} */
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int ptys_open(int, char *); /* {Progs ptyopen_svr4 ptyopen_44bsd} */
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#ifdef TIOCGWINSZ
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pid_t pty_fork(int *, char *, const struct termios *,
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const struct winsize *); /* {Prog ptyfork} */
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#endif
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int lock_reg(int, int, int, off_t, int, off_t);
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/* {Prog lockreg} */
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#define read_lock(fd, offset, whence, len) \
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lock_reg(fd, F_SETLK, F_RDLCK, offset, whence, len)
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#define readw_lock(fd, offset, whence, len) \
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lock_reg(fd, F_SETLKW, F_RDLCK, offset, whence, len)
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#define write_lock(fd, offset, whence, len) \
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lock_reg(fd, F_SETLK, F_WRLCK, offset, whence, len)
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#define writew_lock(fd, offset, whence, len) \
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lock_reg(fd, F_SETLKW, F_WRLCK, offset, whence, len)
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#define un_lock(fd, offset, whence, len) \
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lock_reg(fd, F_SETLK, F_UNLCK, offset, whence, len)
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pid_t lock_test(int, int, off_t, int, off_t);
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/* {Prog locktest} */
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#define is_readlock(fd, offset, whence, len) \
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lock_test(fd, F_RDLCK, offset, whence, len)
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#define is_writelock(fd, offset, whence, len) \
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lock_test(fd, F_WRLCK, offset, whence, len)
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void err_dump(const char *, ...); /* {App misc_source} */
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void err_msg(const char *, ...);
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void err_quit(const char *, ...);
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void err_ret(const char *, ...);
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void err_sys(const char *, ...);
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void log_msg(const char *, ...); /* {App misc_source} */
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void log_open(const char *, int, int);
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void log_quit(const char *, ...);
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void log_ret(const char *, ...);
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void log_sys(const char *, ...);
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void TELL_WAIT(void); /* parent/child from {Sec race_conditions} */
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void TELL_PARENT(pid_t);
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void TELL_CHILD(pid_t);
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void WAIT_PARENT(void);
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void WAIT_CHILD(void);
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#endif /* __ourhdr_h */
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