1 /* Slightly more portable version of <sys/select.h>. 2 3 Copyright (C) 2006-2020 Free Software Foundation, Inc. 4 5 This file is part of GDB. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 19 20 #if !defined(GDB_SELECT_H) 21 #define GDB_SELECT_H 22 23 #ifdef HAVE_SYS_SELECT_H 24 #include <sys/select.h> 25 #else 26 #include "gdbsupport/gdb_sys_time.h" 27 #endif 28 29 #ifdef USE_WIN32API 30 #include <winsock2.h> 31 #endif 32 33 extern int gdb_select (int n, fd_set *readfds, fd_set *writefds, 34 fd_set *exceptfds, struct timeval *timeout); 35 36 /* Convenience wrapper around gdb_select that returns -1/EINTR if 37 set_quit_flag is set, either on entry or from a signal handler or 38 from a different thread while select is blocked. The quit flag is 39 not cleared on exit -- the caller is responsible to check it with 40 check_quit_flag or QUIT. 41 42 Note this does NOT return -1/EINTR if any signal handler other than 43 SIGINT runs, nor if the current SIGINT handler does not call 44 set_quit_flag. */ 45 extern int interruptible_select (int n, 46 fd_set *readfds, 47 fd_set *writefds, 48 fd_set *exceptfds, 49 struct timeval *timeout); 50 51 #endif /* !defined(GDB_SELECT_H) */ 52