?? select.h
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/* select.h Copyright 1998, 1999, 2000, 2001 Red Hat, Inc.This file is part of Cygwin.This software is a copyrighted work licensed under the terms of theCygwin license. Please consult the file "CYGWIN_LICENSE" fordetails. *//* Winsock select() types and macros *//* * Use this struct to interface to * the system provided select. */typedef struct winsock_fd_set{ unsigned int fd_count; HANDLE fd_array[1024]; /* Dynamically allocated. */} winsock_fd_set;/* * Define the Win32 winsock definitions to have a prefix WINSOCK_ * so we can be explicit when we are using them. */#define WINSOCK_FD_ISSET(fd, set) __WSAFDIsSet ((SOCKET)fd, (fd_set *)set)#define WINSOCK_FD_SET(fd, set) do { \ (set)->fd_array[(set)->fd_count++]=fd;\} while(0)#define WINSOCK_FD_ZERO(set) ((set)->fd_count = 0)#define WINSOCK_FD_CLR(fd, set) do { \ u_int __i; \ for (__i = 0; __i < (set)->fd_count ; __i++) { \ if ((set)->fd_array[__i] == fd) { \ while (__i < (set)->fd_count-1) { \ (set)->fd_array[__i] = \ (set)->fd_array[__i+1]; \ __i++; \ } \ (set)->fd_count--; \ break; \ } \ } \} while(0)extern "C" int PASCAL __WSAFDIsSet(SOCKET, fd_set*);extern "C" int PASCAL win32_select(int, fd_set*, fd_set*, fd_set*, const struct timeval*);/* * call to winsock's select() - * type coercion need to appease confused prototypes */#define WINSOCK_SELECT(nfd, rd, wr, ex, timeo) \ win32_select (nfd, (fd_set *)rd, (fd_set *)wr, (fd_set *)ex, timeo)
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