| /* Definition of the cpu_set_t structure used by the POSIX 1003.1b-1993 |
| scheduling interface. |
| Copyright (C) 1996-2018 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 _SCHED_H |
| #define _SCHED_H |
| #include <sys/_types.h> |
| |
| /* Size definition for CPU sets. */ |
| #define __CPU_SETSIZE 1024 |
| #define __NCPUBITS (8 * sizeof (__cpu_mask)) |
| |
| /* Basic access functions. */ |
| #define __CPUELT(cpu) ((cpu) / __NCPUBITS) |
| #define __CPUMASK(cpu) ((__cpu_mask) 1 << ((cpu) % __NCPUBITS)) |
| |
| /* Data structure to describe CPU mask. */ |
| typedef struct |
| { |
| __cpu_mask __bits[__CPU_SETSIZE / __NCPUBITS]; |
| } cpu_set_t; |
| |
| typedef __pid_t pid_t; |
| |
| #endif |