diff options
Diffstat (limited to 'REORG.TODO/bits/select.h')
| -rw-r--r-- | REORG.TODO/bits/select.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/REORG.TODO/bits/select.h b/REORG.TODO/bits/select.h new file mode 100644 index 0000000000..cb3898ee29 --- /dev/null +++ b/REORG.TODO/bits/select.h @@ -0,0 +1,37 @@ +/* Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _SYS_SELECT_H +# error "Never use <bits/select.h> directly; include <sys/select.h> instead." +#endif + + +/* We don't use `memset' because this would require a prototype and + the array isn't too big. */ +#define __FD_ZERO(s) \ + do { \ + unsigned int __i; \ + fd_set *__arr = (s); \ + for (__i = 0; __i < sizeof (fd_set) / sizeof (__fd_mask); ++__i) \ + __FDS_BITS (__arr)[__i] = 0; \ + } while (0) +#define __FD_SET(d, s) \ + ((void) (__FDS_BITS (s)[__FD_ELT(d)] |= __FD_MASK(d))) +#define __FD_CLR(d, s) \ + ((void) (__FDS_BITS (s)[__FD_ELT(d)] &= ~__FD_MASK(d))) +#define __FD_ISSET(d, s) \ + ((__FDS_BITS (s)[__FD_ELT (d)] & __FD_MASK (d)) != 0) |