diff options
Diffstat (limited to 'semestr-5/so/lista2/so21_lista_2/include/csapp.h')
| -rw-r--r-- | semestr-5/so/lista2/so21_lista_2/include/csapp.h | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/semestr-5/so/lista2/so21_lista_2/include/csapp.h b/semestr-5/so/lista2/so21_lista_2/include/csapp.h new file mode 100644 index 0000000..dabdf77 --- /dev/null +++ b/semestr-5/so/lista2/so21_lista_2/include/csapp.h @@ -0,0 +1,240 @@ +#ifndef __CSAPP_H__ +#define __CSAPP_H__ + +#include <sys/types.h> +#include <sys/mman.h> +#ifdef LINUX +#include <sys/sysmacros.h> +#include <sys/prctl.h> +#endif +#include <sys/select.h> +#include <sys/socket.h> +#include <sys/stat.h> +#include <sys/time.h> +#include <sys/uio.h> +#include <sys/user.h> +#include <sys/wait.h> +#include <arpa/inet.h> +#include <assert.h> +#include <ctype.h> +#include <errno.h> +#include <fcntl.h> +#include <grp.h> +#include <limits.h> +#include <netdb.h> +#include <netinet/in.h> +#include <poll.h> +#include <pthread.h> +#include <pwd.h> +#include <semaphore.h> +#include <setjmp.h> +#include <signal.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <stdbool.h> +#include <stdnoreturn.h> +#include <string.h> +#include <termios.h> +#include <time.h> +#include <unistd.h> + +#define _CONCAT(x, y) x##y +#define CONCAT(x, y) _CONCAT(x, y) + +#define min(a, b) \ + ({ \ + typeof(a) _a = (a); \ + typeof(b) _b = (b); \ + _a < _b ? _a : _b; \ + }) + +#define max(a, b) \ + ({ \ + typeof(a) _a = (a); \ + typeof(b) _b = (b); \ + _a > _b ? _a : _b; \ + }) + +#ifndef powerof2 +#define powerof2(x) (((x) & ((x)-1)) == 0) +#endif + +#ifndef __unused +#define __unused __attribute__((unused)) +#endif + +extern char **environ; + +/* Useful constants. */ +#define MAXLINE 4096 + +/* Our own error-handling functions */ +noreturn void unix_error(const char *fmt, ...) + __attribute__((format(printf, 1, 2))); +noreturn void posix_error(int code, const char *fmt, ...) + __attribute__((format(printf, 2, 3))); +noreturn void app_error(const char *fmt, ...) + __attribute__((format(printf, 1, 2))); +noreturn void gai_error(int code, const char *fmt, ...) + __attribute__((format(printf, 2, 3))); + +/* Signal safe I/O functions */ +void safe_printf(const char *fmt, ...) __attribute__((format(printf, 1, 2))); +void safe_error(const char *fmt, ...) __attribute__((format(printf, 1, 2))); + +/* Decent hashing function. */ +#define HASHINIT 5381 + +uint32_t jenkins_hash(const void *key, size_t length, uint32_t initval); + +/* Memory allocation wrappers */ +void *Malloc(size_t size); +void *Realloc(void *ptr, size_t size); +void *Calloc(size_t nmemb, size_t size); + +/* Process control wrappers */ +pid_t Fork(void); +pid_t Waitpid(pid_t pid, int *iptr, int options); +#define Wait(iptr) Waitpid(-1, iptr, 0) +void Prctl(int option, long arg); + +/* Process environment */ +char *Getcwd(char *buf, size_t buflen); + +/* Signal control wrappers */ +void (*Signal(int sig, void (*func)(int)))(int); +void Kill(pid_t pid, int sig); +void Sigprocmask(int how, const sigset_t *set, sigset_t *oldset); +void Sigaction(int signum, const struct sigaction *act, + struct sigaction *oldact); +void Sigsuspend(const sigset_t *mask); + +/* Process group control wrappers */ +void Setpgid(pid_t pid, pid_t pgid); + +/* Stdio wrappers */ +char *Fgets(char *ptr, int n, FILE *stream); +void Fputs(const char *ptr, FILE *stream); + +/* Unix I/O wrappers */ +int Open(const char *pathname, int flags, mode_t mode); +size_t Read(int fd, void *buf, size_t count); +size_t Write(int fd, const void *buf, size_t count); +size_t Writev(int fd, const struct iovec *iov, int iovcnt); +off_t Lseek(int fildes, off_t offset, int whence); +void Close(int fd); +void Ftruncate(int fd, off_t length); +int Dup(int fd); +int Dup2(int oldfd, int newfd); +void Pipe(int fds[2]); +void Socketpair(int domain, int type, int protocol, int sv[2]); +int Select(int n, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, + struct timeval *timeout); +int Poll(struct pollfd *fds, nfds_t nfds, int timeout); + +/* Directory access (Linux specific) */ +struct linux_dirent { + unsigned long d_ino; /* Inode number */ + unsigned long d_off; /* Offset to next linux_dirent */ + unsigned short d_reclen; /* Length of this linux_dirent */ + char d_name[]; /* Filename (null-terminated) */ +}; + +int Getdents(int fd, struct linux_dirent *dirp, unsigned count); + +/* Directory operations */ +void Rename(const char *oldpath, const char *newpath); +void Unlink(const char *pathname); + +/* File metadata access wrapper */ +void Fstat(int fd, struct stat *statbuf); +void Fstatat(int dirfd, const char *pathname, struct stat *statbuf, int flags); +size_t Readlink(const char *pathname, char *buf, size_t bufsiz); +size_t Readlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz); + +/* Memory mapped files & anonymous memory */ +void *Mmap(void *addr, size_t length, int prot, int flags, int fd, + off_t offset); +void Mprotect(void *addr, size_t len, int prot); +void Munmap(void *addr, size_t len); +void Madvise(void *addr, size_t length, int advice); + +/* Terminal control */ +void Tcsetpgrp(int fd, pid_t pgrp); +pid_t Tcgetpgrp(int fd); +void Tcsetattr(int fd, int action, const struct termios *termios_p); +void Tcgetattr(int fd, struct termios *termios_p); + +/* Setjmp & longjmp implementation without sigprocmask */ +typedef struct { + long rbx; + long rbp; + long r12; + long r13; + long r14; + long r15; + void *rsp; + void *rip; +} Jmpbuf[1]; + +int Setjmp(Jmpbuf env); +noreturn void Longjmp(Jmpbuf env, int val); + +/* Socket interface wrappers. */ +typedef struct sockaddr SA; +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); + +/* Protocol-independent wrappers. */ +void Getaddrinfo(const char *node, const char *service, + const struct addrinfo *hints, struct addrinfo **res); +void Getnameinfo(const struct sockaddr *sa, socklen_t salen, char *host, + size_t hostlen, char *serv, size_t servlen, int flags); +int open_clientfd(char *hostname, char *port); +int Open_clientfd(char *hostname, char *port); +int open_listenfd(char *port, int backlog); +int Open_listenfd(char *port, int backlog); + +/* POSIX thread control wrappers. */ + +void Pthread_create(pthread_t *tidp, pthread_attr_t *attrp, + void *(*routine)(void *), void *argp); +void Pthread_cancel(pthread_t tid); +void Pthread_join(pthread_t tid, void **thread_return); +void Pthread_detach(pthread_t tid); + +/* POSIX semaphore wrappers. */ +void Sem_init(sem_t *sem, int pshared, unsigned value); +void Sem_destroy(sem_t *sem); +void Sem_wait(sem_t *sem); +void Sem_getvalue(sem_t *sem, int *sval); +void Sem_post(sem_t *sem); + +/* POSIX mutex wrappers. */ +void Pthread_mutex_init(pthread_mutex_t *mutex, + const pthread_mutexattr_t *mutexattr); +void Pthread_mutex_destroy(pthread_mutex_t *mutex); +void Pthread_mutex_lock(pthread_mutex_t *mutex); +void Pthread_mutex_unlock(pthread_mutex_t *mutex); + +/* POSIX conditional variable wrappers. */ +void Pthread_cond_init(pthread_cond_t *cond, pthread_condattr_t *cond_attr); +void Pthread_cond_destroy(pthread_cond_t *cond); +void Pthread_cond_signal(pthread_cond_t *cond); +void Pthread_cond_broadcast(pthread_cond_t *cond); +void Pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex); + +/* POSIX reader-writer lock wrappers. */ +void Pthread_rwlock_init(pthread_rwlock_t *rwlock, + const pthread_rwlockattr_t *rwlockattr); +void Pthread_rwlock_destroy(pthread_rwlock_t *rwlock); +void Pthread_rwlock_rdlock(pthread_rwlock_t *rwlock); +void Pthread_rwlock_wrlock(pthread_rwlock_t *rwlock); +void Pthread_rwlock_unlock(pthread_rwlock_t *rwlock); + +#endif /* __CSAPP_H__ */ |