void (*signal (int signum,void (*handle)(int)))(int);设置某个信号的处理方法
int sigaction(int signum,const struct sigaction *act,struct sigaction *oldact);用于检查或改变进程在接到信号时的动作
信号集操作函数
static inline void sigaddset(sigset_t *set,int _sig);
static inline void sigdelset(sigset_t *set,int _sig);
static inline void sigismember(sigset_t *set,int _sig);
static inline void sigfindinword(unsigned long word);
static inline void sigemptyset(sigset_t *set);
static inline void sigfillset(sigset_t *set);
信号阻塞
int sigprocmask(int how,const sigset_t *set,sigset_t *oldset);
int sigpending(sigset_t *set);
int siguspend(const sigset_t *mask);
消息管理函数
int msgget(key_t,int flag);
int msgrcv(int msqid,struct msgbuf *msgp,int msgsz,long mtype,int msgflg);
int msgsnd(int msqid,struct msgbuf *msgp,int msgz,int msgflg);
int msgctl(int msgqid,int cmd,struct msqid_ds *buf);
线程操作函数
线程的创建
int pthread_create(pthread_t *thread,pthread_attr_t *attr,void *(*start_routine)(void *),void *arg);
线程取消
void pthread_testcancel(void);
void pthread_cancel(pthread_t thread);
int pthread_setcanceltype(int type,int *oldtype);
线程私有数据
int pthread_key_create(pthread_key_t *_key,void (*_destr_function)(void *_THROW);
int pthreadd_key_delete(pthread_key_t _key) _THROW;
int pthread_setspecific(pthread_key_t _key, _const void *_pointer) _THROW;
void *pthread_getspecific(pthread_key_t _key) THROW;
互斥锁
int pthread_mutex_init (pthread_mutex_t *_testrict _mutex,_const pthread_mutexattr *_restrict _mutex_attr) _THROW;
int pthread_mutex_destroy(pthread_mutex_t *_mutex) _THROW;
int pthread_mutex_trylock(pthread_mutex_t *_mutex) _THROW;
int pthread_mutex_lock(pthread_mutex_t *mutex) _THROW;
int pthread_mutex_unlock(pthread_mutex_t *_mutex) _THROW;
条件变量
int thread_cond_init(pthread_cond_t *_restrict _cond,_const pthread_condattr_t *_restrict _cond_attr) _THROW;
int pthread_cond_destroy(pthread_cond_t *_cond) _THROW;
int pthread_cond_signal(pthread_cond_t *_cond) _THROW;
int pthread_cond_broadcast(pthread_cond_t *_cond) THOW;
int pthread_cond_wait(pthread_cond_t *_restrict _cond pthread_mutex_t *_restrict _mutex);
线程终止
void pthread_exit(void *_retval) _attribure_ ((noreturn_));
void _pthread_cleanup_push(struct _pthread_cleanup_buffer *_buffer,void (*_routine)(void *),void *_arg) _THROW;
void _pthread_cleanup_pop(struct _pthread_cleanup_buffer *_buffer,int _execute) _THROW;
其他线程操作函数
int pthread_join(pthread_t _th,void **_thread_return);
int pthread_detach(pthread_t _th) _THROW;
pthread_t pthread_self(void) _THROW;
int pthread_equal(pthread_t _thread1,pthread_t _thread2) _THROW;
int pthread_once(pthread_once_t *_once_control,void (*_init_routine)(void);
void pthread_kill_other_threads_np(void) _THROW;
网络编程函数
基本操作函数
int socket(int domain,int type,int protocol);
int bind(int sockfd,struct sockaddr *my_addr,int addrlen);
int connect(int sockfd,struct sockaddr *serv_addr,int addrlen);
int listen(int _fd,int _n);
int accept(int _fd,_SOCKADDR_ARG _addr,socklen_t *_restrict _addr_len);
ssize_t send(int _fd,_const void *_buf,size_t _n,int _flags);
ssize_t send(int _fd,_const void *_buf,size_t _n,int _flags,_CONST_SOCKADDR_ARG _addr,socklen_t _addr_len);
ssize_t recv(int _fd,void *_buf，size_t _n,int _flags);
ssize_t recvfrom(int _fd,void *_restrict _buf,size_t _n,int _flags,_SOCKADDR_ARG _addr,socklen_t *_restrict _addrlen);
close(fd);
int shutdown(int s,int how);
ssize_t sendmsg(int _fd,_const struct msghdr *_message,int _flags);
ssize_t recvmsg(int _fd,struct msghdr *_message,int _flags);
int getsockopt(int _fd,int _level,int _optname,void *_restrict _optval,socklen_t *_restrict optlen);
int getsockname(int _fd,_SOCKADDR_ARG _addr,socklen_t *restrict _len);
int socketpair(int _domain,int _type,int _protocol,int _fds[2]);
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