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csapp.h
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csapp.h
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/*
Armator - simulateur de jeu d'instruction ARMv5T à but pédagogique
Copyright (C) 2011 Guillaume Huard
Ce programme est libre, vous pouvez le redistribuer et/ou le modifier selon les
termes de la Licence Publique Générale GNU publiée par la Free Software
Foundation (version 2 ou bien toute autre version ultérieure choisie par vous).
Ce programme est distribué car potentiellement utile, mais SANS AUCUNE
GARANTIE, ni explicite ni implicite, y compris les garanties de
commercialisation ou d'adaptation dans un but spécifique. Reportez-vous à la
Licence Publique Générale GNU pour plus de détails.
Vous devez avoir reçu une copie de la Licence Publique Générale GNU en même
temps que ce programme ; si ce n'est pas le cas, écrivez à la Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307,
États-Unis.
Contact: [email protected]
Bâtiment IMAG
700 avenue centrale, domaine universitaire
38401 Saint Martin d'Hères
*/
/* $begin csapp.h */
#ifndef __CSAPP_H__
#define __CSAPP_H__
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <ctype.h>
#include <setjmp.h>
#include <signal.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <errno.h>
#include <math.h>
#include <pthread.h>
#include <semaphore.h>
#include <sys/socket.h>
#include <netdb.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <inttypes.h> // added to support C99 types and related macros
#include <strings.h> // added to support solaris
/* Default file permissions are DEF_MODE & ~DEF_UMASK */
/* $begin createmasks */
#define DEF_MODE S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH
#define DEF_UMASK S_IWGRP|S_IWOTH
/* $end createmasks */
/* Simplifies calls to bind(), connect(), and accept() */
/* $begin sockaddrdef */
typedef struct sockaddr SA;
/* $end sockaddrdef */
/* Persistent state for the robust I/O (Rio) package */
/* $begin rio_t */
#define RIO_BUFSIZE 8192
typedef struct {
int rio_fd; /* descriptor for this internal buf */
int rio_cnt; /* unread bytes in internal buf */
char *rio_bufptr; /* next unread byte in internal buf */
char rio_buf[RIO_BUFSIZE]; /* internal buffer */
} rio_t;
/* $end rio_t */
/* External variables */
extern int h_errno; /* defined by BIND for DNS errors */
extern char **environ; /* defined by libc */
/* Misc constants */
#define MAXLINE 8192 /* max text line length */
#define MAXBUF 8192 /* max I/O buffer size */
#define LISTENQ 1024 /* second argument to listen() */
/* Our own error-handling functions */
void unix_error(char *msg);
void posix_error(int code, char *msg);
void dns_error(char *msg);
void app_error(char *msg);
/* Process control wrappers */
pid_t Fork(void);
void Execve(const char *filename, char *const argv[], char *const envp[]);
pid_t Wait(int *status);
pid_t Waitpid(pid_t pid, int *iptr, int options);
void Kill(pid_t pid, int signum);
unsigned int Sleep(unsigned int secs);
void Pause(void);
unsigned int Alarm(unsigned int seconds);
void Setpgid(pid_t pid, pid_t pgid);
pid_t Getpgrp();
/* Signal wrappers */
typedef void handler_t(int);
handler_t *Signal(int signum, handler_t * handler);
void Sigprocmask(int how, const sigset_t * set, sigset_t * oldset);
void Sigemptyset(sigset_t * set);
void Sigfillset(sigset_t * set);
void Sigaddset(sigset_t * set, int signum);
void Sigdelset(sigset_t * set, int signum);
int Sigismember(const sigset_t * set, int signum);
/* Unix I/O wrappers */
int Open(const char *pathname, int flags, mode_t mode);
ssize_t Read(int fd, void *buf, size_t count);
ssize_t Write(int fd, const void *buf, size_t count);
off_t Lseek(int fildes, off_t offset, int whence);
void Close(int fd);
int Select(int n, fd_set * readfds, fd_set * writefds, fd_set * exceptfds, struct timeval *timeout);
int Dup2(int fd1, int fd2);
void Stat(const char *filename, struct stat *buf);
void Fstat(int fd, struct stat *buf);
/* Memory mapping wrappers */
void *Mmap(void *addr, size_t len, int prot, int flags, int fd, off_t offset);
void Munmap(void *start, size_t length);
/* Standard I/O wrappers */
void Fclose(FILE * fp);
FILE *Fdopen(int fd, const char *type);
char *Fgets(char *ptr, int n, FILE * stream);
FILE *Fopen(const char *filename, const char *mode);
void Fputs(const char *ptr, FILE * stream);
size_t Fread(void *ptr, size_t size, size_t nmemb, FILE * stream);
void Fwrite(const void *ptr, size_t size, size_t nmemb, FILE * stream);
/* Dynamic storage allocation wrappers */
void *Malloc(size_t size);
void *Realloc(void *ptr, size_t size);
void *Calloc(size_t nmemb, size_t size);
void Free(void *ptr);
/* Sockets interface wrappers */
int Socket(int domain, int type, int protocol);
void Setsockopt(int s, int level, int optname, const void *optval, int optlen);
void Bind(int sockfd, struct sockaddr *my_addr, int addrlen);
void Listen(int s, int backlog);
int Accept(int s, struct sockaddr *addr, socklen_t * addrlen);
void Connect(int sockfd, struct sockaddr *serv_addr, int addrlen);
/* DNS wrappers */
struct hostent *Gethostbyname(const char *name);
struct hostent *Gethostbyaddr(const char *addr, int len, int type);
/* Pthreads thread control wrappers */
void Pthread_create(pthread_t * tidp, pthread_attr_t * attrp, void *(*routine)(void *), void *argp);
void Pthread_join(pthread_t tid, void **thread_return);
void Pthread_cancel(pthread_t tid);
void Pthread_detach(pthread_t tid);
void Pthread_exit(void *retval);
pthread_t Pthread_self(void);
void Pthread_once(pthread_once_t * once_control, void (*init_function)());
/* Rio (Robust I/O) package */
ssize_t rio_readn(int fd, void *usrbuf, size_t n);
ssize_t rio_writen(int fd, void *usrbuf, size_t n);
void rio_readinitb(rio_t * rp, int fd);
ssize_t rio_readnb(rio_t * rp, void *usrbuf, size_t n);
ssize_t rio_readlineb(rio_t * rp, void *usrbuf, size_t maxlen);
/* Wrappers for Rio package */
ssize_t Rio_readn(int fd, void *usrbuf, size_t n);
void Rio_writen(int fd, void *usrbuf, size_t n);
void Rio_readinitb(rio_t * rp, int fd);
ssize_t Rio_readnb(rio_t * rp, void *usrbuf, size_t n);
ssize_t Rio_readlineb(rio_t * rp, void *usrbuf, size_t maxlen);
/* Client/server helper functions */
int open_clientfd(char *hostname, int portno);
int open_listenfd(int portno);
/* Wrappers for client/server helper functions */
int Open_clientfd(char *hostname, int port);
int Open_listenfd(int port);
#endif /* __CSAPP_H__ */
/* $end csapp.h */