| 1 | /* Slightly more portable version of <sys/select.h>. |
| 2 | |
| 3 | Copyright (C) 2006-2018 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 "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) */ |