acl/lib_acl/include/stdlib/acl_iostuff.h

#ifndef	ACL_IOSTUFF_INCLUDE_H
#define	ACL_IOSTUFF_INCLUDE_H

#ifdef	__cplusplus
extern "C" {
#endif

#include "acl_define.h"
#include "acl_vstream.h"

#define ACL_CLOSE_ON_EXEC   1  /**< <20><>־λ, <20><><EFBFBD><EFBFBD> exec <20><><EFBFBD>Զ<EFBFBD><D4B6>رմ򿪵<D5B4><F2BFAAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
#define ACL_PASS_ON_EXEC    0

#define ACL_BLOCKING        0  /**< <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4>־λ */
#define ACL_NON_BLOCKING    1  /**< <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4>־λ */

/**
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׽ӿ<EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param fd {ACL_SOCKET} SOCKET <EFBFBD>׽<EFBFBD><EFBFBD><EFBFBD>
 * @param on {int} <EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ø<EFBFBD><EFBFBD>׽<EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, ACL_BLOCKING <EFBFBD><EFBFBD> ACL_NON_BLOCKING
 * @return {int} >= 0: <EFBFBD>ɹ<EFBFBD>, <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ > 0 <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>֮ǰ<EFBFBD>ı<EFBFBD>־λ; -1: ʧ<EFBFBD><EFBFBD>
 */
ACL_API int acl_non_blocking(ACL_SOCKET fd, int on);

/**
 * <EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>װ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ
 * @param fd {ACL_SOCKET}  SOCKET <EFBFBD>׽<EFBFBD><EFBFBD><EFBFBD>
 * @return {int} -1 <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƽ̨<EFBFBD><EFBFBD>֧<EFBFBD>֣<EFBFBD>1 <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׽<EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ
 *  0 <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׽<EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ
 */
ACL_API int acl_is_blocking(ACL_SOCKET fd);

/**
 * д<EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD><EFBFBD><EFBFBD>׽<EFBFBD><EFBFBD>ֿ<EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ
 * @param fd {ACL_SOCKET} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param timeout {int} <EFBFBD><EFBFBD>ʱʱ<EFBFBD>䣬<EFBFBD><EFBFBD>λΪ<EFBFBD>룬<EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Σ<EFBFBD>
 *  > 0  : <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 *  == 0 : <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 *  < 0  : ʱ<EFBFBD><EFBFBD>ʾֱ<EFBFBD>Ӹ<EFBFBD><EFBFBD>׽<EFBFBD><EFBFBD>ֿɶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊֹ
 * @return {int} 0: <EFBFBD><EFBFBD>д; -1: ʧ<EFBFBD>ܻ<EFBFBD><EFBFBD><EFBFBD>ʱ
 */
ACL_API int acl_write_wait(ACL_SOCKET fd, int timeout);

/**
 * <EFBFBD><EFBFBD><EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD><EFBFBD><EFBFBD>׽<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿɶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ
 * @param fd {ACL_SOCKET} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param timeout {int} <EFBFBD><EFBFBD>ʱʱ<EFBFBD>䣬<EFBFBD><EFBFBD>λΪ<EFBFBD>룬<EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Σ<EFBFBD>
 *  > 0  : <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 *  == 0 : <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 *  < 0  : ʱ<EFBFBD><EFBFBD>ʾֱ<EFBFBD>Ӹ<EFBFBD><EFBFBD>׽<EFBFBD><EFBFBD>ֿɶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊֹ
 * @return {int} 0: <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿɶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֳ<EFBFBD><EFBFBD><EFBFBD>; -1: ʧ<EFBFBD>ܻ<EFBFBD><EFBFBD><EFBFBD>ʱ
 */
ACL_API int acl_read_wait(ACL_SOCKET fd, int timeout);

#if defined(ACL_LINUX) && !defined(MINGW)
/**
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD> epoll <EFBFBD><EFBFBD>ʽ<EFBFBD>Ķ<EFBFBD><EFBFBD>ȴ<EFBFBD>
 * @param fd {ACL_SOCKET} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param delay {int} <EFBFBD><EFBFBD><EFBFBD>뼶<EFBFBD>ȴ<EFBFBD>ʱ<EFBFBD><EFBFBD>
 * @return {int} <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><EFBFBD>
 */
ACL_API int acl_read_epoll_wait(ACL_SOCKET fd, int delay);
#endif

#if defined(ACL_UNIX)
/**
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD> poll <EFBFBD><EFBFBD>ʽ<EFBFBD>Ķ<EFBFBD><EFBFBD>ȴ<EFBFBD>
 * @param fd {ACL_SOCKET} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param delay {int} <EFBFBD><EFBFBD><EFBFBD>뼶<EFBFBD>ȴ<EFBFBD>ʱ<EFBFBD><EFBFBD>
 * @return {int} <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><EFBFBD>
 */
ACL_API int acl_read_poll_wait(ACL_SOCKET fd, int delay);
#endif

/**
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD> select <EFBFBD><EFBFBD>ʽ<EFBFBD>Ķ<EFBFBD><EFBFBD>ȴ<EFBFBD>
 * @param fd {ACL_SOCKET} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param delay {int} <EFBFBD><EFBFBD><EFBFBD>뼶<EFBFBD>ȴ<EFBFBD>ʱ<EFBFBD><EFBFBD>
 * @return {int} <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><EFBFBD>
 */
ACL_API int acl_read_select_wait(ACL_SOCKET fd, int delay);

/**
 * <EFBFBD><EFBFBD><EFBFBD>뼶<EFBFBD><EFBFBD>˯<EFBFBD><EFBFBD>
 * @param delay {unsigned} <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
 */
ACL_API void acl_doze(unsigned delay);

/**
* ij<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɶ<EFBFBD>
* @param fd {ACL_SOCKET} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @return {int} 0: <EFBFBD><EFBFBD><EFBFBD>ɶ<EFBFBD>; -1: <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1<EFBFBD><EFBFBD><EFBFBD>ɶ<EFBFBD>
*/
ACL_API int acl_readable(ACL_SOCKET fd);

/**
 * <EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param fd {ACL_SOCKET} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׽<EFBFBD><EFBFBD><EFBFBD>
 * @param buf {void*} <EFBFBD>洢<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>
 * @param len {unsigned} buf <EFBFBD>洢<EFBFBD><EFBFBD><EFBFBD><EFBFBD>С
 * @param timeout {int} <EFBFBD><EFBFBD>ʱʱ<EFBFBD>䣬<EFBFBD><EFBFBD>λΪ<EFBFBD>룬<EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Σ<EFBFBD>
 *  > 0  : <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 *  == 0 : <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 *  < 0  : ʱ<EFBFBD><EFBFBD>ʾֱ<EFBFBD>Ӹ<EFBFBD><EFBFBD>׽<EFBFBD><EFBFBD>ֿɶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊֹ
 * @return {int} > 0 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>; -1: <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*/
ACL_API int acl_timed_read(ACL_SOCKET fd, void *buf, unsigned len,
	int timeout, void *unused_context);

/**
 * <EFBFBD><EFBFBD>ʱд<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param fd {ACL_SOCKET} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׽<EFBFBD><EFBFBD><EFBFBD>
 * @param buf {void*} <EFBFBD><EFBFBD><EFBFBD>ݴ洢<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>
 * @param len {unsigned} <EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><EFBFBD>ȴ<EFBFBD>С
 * @param timeout {int} <EFBFBD><EFBFBD>ʱʱ<EFBFBD>䣬<EFBFBD><EFBFBD>λΪ<EFBFBD>룬<EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Σ<EFBFBD>
 *  > 0  : <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 *  == 0 : <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 *  < 0  : ʱ<EFBFBD><EFBFBD>ʾֱ<EFBFBD>Ӹ<EFBFBD><EFBFBD>׽<EFBFBD><EFBFBD>ֿɶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊֹ
 * @return {int} > 0 <EFBFBD>ɹ<EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>; -1: <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 */
ACL_API int acl_timed_write(ACL_SOCKET fd, void *buf, unsigned len,
	int timeout, void *unused_context);

/**
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѭ<EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD>ֱ<EFBFBD><EFBFBD>д<EFBFBD>ꡢ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱΪֹ
 * @param fd {ACL_SOCKET} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׽<EFBFBD><EFBFBD><EFBFBD>
 * @param buf {void*} <EFBFBD><EFBFBD><EFBFBD>ݴ洢<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>
 * @param len {unsigned} <EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><EFBFBD>ȴ<EFBFBD>С
 * @param timeout {int} <EFBFBD><EFBFBD>ʱʱ<EFBFBD>䣬<EFBFBD><EFBFBD>λΪ<EFBFBD><EFBFBD>
 * @param {int} <EFBFBD>ɹ<EFBFBD>д<EFBFBD><EFBFBD><EFBFBD>ij<EFBFBD><EFBFBD><EFBFBD>
 */
ACL_API int acl_write_buf(ACL_SOCKET fd, const char *buf, int len, int timeout);

/**
 * ̽<EFBFBD><EFBFBD><EFBFBD>׽<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵͳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><EFBFBD><EFBFBD>
 * @param fd {ACL_SOCKET} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @return {int} ϵͳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><EFBFBD><EFBFBD>
 */
ACL_API int acl_peekfd(ACL_SOCKET fd);

/**
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܵ<EFBFBD>
 * @param fds {ACL_FILE_HANDLE [2]} <EFBFBD>洢<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @return {int} 0: ok; -1: error
 */
ACL_API int acl_pipe(ACL_FILE_HANDLE fds[2]);

/**
 * <EFBFBD>رչܵ<EFBFBD><EFBFBD><EFBFBD>
 * @param fds {ACL_FILE_HANDLE[2]} <EFBFBD>ܵ<EFBFBD><EFBFBD><EFBFBD>
 * @return {int} 0: ok; -1: error
 */
ACL_API int acl_pipe_close(ACL_FILE_HANDLE fds[2]);

/**
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ܵ<EFBFBD><EFBFBD><EFBFBD>
* @param fds {ACL_FILE_HANDLE[2]} <EFBFBD>洢<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĺܵ<EFBFBD><EFBFBD>Ե<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>
* @return 0: ok; -1: error
*/
ACL_API int acl_duplex_pipe(ACL_FILE_HANDLE fds[2]);

#ifdef	ACL_UNIX
/**
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>־λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> exec <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ر<EFBFBD>
 * @param fd {int} <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param on {int} ACL_CLOSE_ON_EXEC <EFBFBD><EFBFBD> 0
 * @return {int} 0: ok; -1: error
 */
ACL_API int acl_close_on_exec(int fd, int on);

/**
 * <EFBFBD><EFBFBD>ij<EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD>ر<EFBFBD>֮<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д򿪵<EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param lowfd {int} <EFBFBD><EFBFBD><EFBFBD>ر<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
 * @return {int} 0: ok; -1: error
 */
ACL_API int acl_closefrom(int lowfd);

/**
 * <EFBFBD>趨<EFBFBD><EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD>̿<EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
 * @param limit {int} <EFBFBD>趨<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
 * @return {int} >=0: ok; -1: error
 */
ACL_API int acl_open_limit(int limit);

/**
 * <EFBFBD>жϸ<EFBFBD><EFBFBD><EFBFBD>ij<EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>׽<EFBFBD><EFBFBD><EFBFBD>
 * @param fd {int} <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @return {int} != 0: <EFBFBD><EFBFBD>; 0: <EFBFBD><EFBFBD>
 */
ACL_API int acl_issock(int fd);
#endif

#if defined(_WIN32) || defined(_WIN64)
typedef int (__stdcall *acl_select_fn)(int, fd_set*, fd_set*,
	fd_set*, const struct timeval*);
# if(_WIN32_WINNT >= 0x0600)
#  define ACL_HAS_POLL
typedef int (__stdcall *acl_poll_fn)(struct pollfd*, unsigned long, int);
ACL_API void acl_set_poll(acl_poll_fn fn);
# endif

#else
#include <poll.h>
# define ACL_HAS_POLL

typedef int (*acl_select_fn)(int, fd_set*, fd_set*, fd_set*, struct timeval*);
typedef int (*acl_poll_fn)(struct pollfd*, nfds_t, int);
ACL_API void acl_set_poll(acl_poll_fn fn);
#endif

ACL_API void acl_set_select(acl_select_fn fn);

#ifdef	__cplusplus
}
#endif

#endif