/* Definitions of constants and data structure for POSIX 1003.1b-1993 scheduling interface. OpenSolaris version. Copyright (C) 1996-1999,2001-2003,2005,2006,2007,2008 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, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #ifndef __need_schedparam #ifndef _SCHED_H # error "Never include directly; use instead." #endif /* Scheduling algorithms. */ #define SCHED_OTHER 0 #define SCHED_FIFO 1 #define SCHED_RR 2 #define SCHED_SYS 3 #define SCHED_IA 4 #define SCHED_FSS 5 #define SCHED_FX 6 #define _SCHED_NEXT 7 /* The official definition. */ struct sched_param { int __sched_priority; int __sched_nicelim; int __sched_nice; int __sched_pad[6]; }; #endif /* need schedparam */ #if !defined __defined_schedparam \ && (defined __need_schedparam || defined _SCHED_H) # define __defined_schedparam 1 /* Data structure to describe a process' schedulability. */ struct __sched_param { int __sched_priority; int __sched_nicelim; int __sched_nice; int __sched_pad[6]; }; # undef __need_schedparam #endif #if defined _SCHED_H && !defined __cpu_set_t_defined # define __cpu_set_t_defined /* Size definition for CPU sets. */ # define __CPU_SETSIZE 1024 # define __NCPUBITS (8 * sizeof (__cpu_mask)) /* Type for array elements in 'cpu_set_t'. */ typedef unsigned long int __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; /* Access functions for CPU masks. */ # if __GNUC_PREREQ (2, 91) # define __CPU_ZERO_S(setsize, cpusetp) \ do __builtin_memset (cpusetp, '\0', setsize); while (0) # else # define __CPU_ZERO_S(setsize, cpusetp) \ do { \ size_t __i; \ size_t __imax = (setsize) / sizeof (__cpu_mask); \ cpu_set_t *__arr = (cpusetp); \ for (__i = 0; __i < __imax; ++__i) \ __arr->__bits[__i] = 0; \ } while (0) # endif # define __CPU_SET_S(cpu, setsize, cpusetp) \ ({ size_t __cpu = (cpu); \ __cpu < 8 * (setsize) \ ? ((cpusetp)->__bits[__CPUELT (__cpu)] |= __CPUMASK (__cpu)) : 0; }) # define __CPU_CLR_S(cpu, setsize, cpusetp) \ ({ size_t __cpu = (cpu); \ __cpu < 8 * (setsize) \ ? ((cpusetp)->__bits[__CPUELT (__cpu)] &= ~__CPUMASK (__cpu)) : 0; }) # define __CPU_ISSET_S(cpu, setsize, cpusetp) \ ({ size_t __cpu = (cpu); \ __cpu < 8 * (setsize) \ ? (((cpusetp)->__bits[__CPUELT (__cpu)] & __CPUMASK (__cpu))) != 0 : 0; }) # define __CPU_COUNT_S(setsize, cpusetp) \ __sched_cpucount (setsize, cpusetp) # if __GNUC_PREREQ (2, 91) # define __CPU_EQUAL_S(setsize, cpusetp1, cpusetp2) \ (__builtin_memcmp (cpusetp1, cpusetp2, setsize) == 0) # else # define __CPU_EQUAL_S(setsize, cpusetp1, cpusetp2) \ ({ cpu_set_t *__arr1 = (cpusetp1); \ cpu_set_t *__arr2 = (cpusetp2); \ size_t __imax = (setsize) / sizeof (__cpu_mask); \ size_t __i; \ for (__i = 0; __i < __imax; ++__i) \ if (__arr1->__bits[__i] != __arr2->__bits[__i]) \ break; \ __i == __imax; }) # endif # define __CPU_OP_S(setsize, destset, srcset1, srcset2, op) \ ({ cpu_set_t *__dest = (destset); \ cpu_set_t *__arr1 = (srcset1); \ cpu_set_t *__arr2 = (srcset2); \ size_t __imax = (setsize) / sizeof (__cpu_mask); \ size_t __i; \ for (__i = 0; __i < __imax; ++__i) \ __dest->__bits[__i] = __arr1->__bits[__i] op __arr2->__bits[__i]; \ __dest; }) # define __CPU_ALLOC_SIZE(count) \ ((((count) + __NCPUBITS - 1) / __NCPUBITS) * 8) # define __CPU_ALLOC(count) __sched_cpualloc (count) # define __CPU_FREE(cpuset) __sched_cpufree (cpuset) __BEGIN_DECLS extern int __sched_cpucount (size_t __setsize, const cpu_set_t *__setp) __THROW; extern cpu_set_t *__sched_cpualloc (size_t __count) __THROW __wur; extern void __sched_cpufree (cpu_set_t *__set) __THROW; __END_DECLS #endif