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Studies/Advanced Programming in the UNIX Environment

ourhdr.h

역시, Advanced Programming in the UNIX Environment(이하 APUE)의 기본 헤더파일. 다운 받아도 좋고, 직접 긁어 저장해도 좋다.
 

/* Our own header, to be included *after* all standard system headers */

#ifndef __ourhdr_h
#define __ourhdr_h

#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 directories */

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));
         /* {Progs recvfd_svr4 recvfd_43bsd} */
int   send_fd(int, int);   /* {Progs sendfd_svr4 sendfd_43bsd} */
int   send_err(int, int, const char *);/* {Prog senderr} */
int   serv_listen(const char *); /* {Progs servlisten_svr4 servlisten_44bsd} */
int   serv_accept(int, uid_t *); /* {Progs servaccept_svr4 servaccept_44bsd} */
int   cli_conn(const char *); /* {Progs cliconn_svr4 cliconn_44bsd} */
int   buf_args(char *, int (*func)(int, char **));
         /* {Prog bufargs} */

int   ptym_open(char *);   /* {Progs ptyopen_svr4 ptyopen_44bsd} */
int   ptys_open(int, char *); /* {Progs ptyopen_svr4 ptyopen_44bsd} */
#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_conditions} */
void TELL_PARENT(pid_t);
void TELL_CHILD(pid_t);
void WAIT_PARENT(void);
void WAIT_CHILD(void);

#endif /* __ourhdr_h */


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