77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
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/* $begin common.h */
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#ifndef __COMMON_H__
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#define __COMMON_H__
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <setjmp.h>
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#include <signal.h>
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#include <ctype.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <sys/mman.h>
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#include <errno.h>
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#include <math.h>
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#include <pthread.h>
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#include <semaphore.h>
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#include <sys/socket.h>
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#include <netdb.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <limits.h>
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#include <sys/types.h>
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#include <sys/ipc.h>
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#include <sys/msg.h>
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#include <sys/shm.h>
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#include <sys/sem.h>
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/* Default file permissions are DEF_MODE & ~DEF_UMASK */
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/* $begin createmasks */
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#define DEF_MODE S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH
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#define DEF_UMASK S_IWGRP|S_IWOTH
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/* $end createmasks */
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/* Simplifies calls to bind(), connect(), and accept() */
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/* $begin sockaddrdef */
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typedef struct sockaddr SA;
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/* $end sockaddrdef */
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/* Persistent state for the robust I/O (Rio) package */
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/* $begin rio_t */
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#define RIO_BUFSIZE 8192
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typedef struct {
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int rio_fd; /* descriptor for this internal buf */
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int rio_cnt; /* unread bytes in internal buf */
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char *rio_bufptr; /* next unread byte in internal buf */
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char rio_buf[RIO_BUFSIZE]; /* internal buffer */
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} rio_t;
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/* $end rio_t */
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/* External variables */
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extern int h_errno; /* defined by BIND for DNS errors */
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extern char **environ; /* defined by libc */
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/* Misc constants */
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#define MAXLINE 8192 /* max text line length */
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#define MAXBUF 8192 /* max I/O buffer size */
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#define LISTENQ 1024 /* second argument to listen() */
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/* Rio (Robust I/O) package */
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ssize_t rio_readn(int fd, void *usrbuf, size_t n);
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ssize_t rio_writen(int fd, void *usrbuf, size_t n);
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void rio_readinitb(rio_t *rp, int fd);
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ssize_t rio_readnb(rio_t *rp, void *usrbuf, size_t n);
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ssize_t rio_readlineb(rio_t *rp, void *usrbuf, size_t maxlen);
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/* Client/server helper functions */
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int open_client_sock(char *hostname, int portno);
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int open_listen_sock(int portno);
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#endif /* __COMMON_H__ */
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/* $end common.h */
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