#include /* * if we have an ancient sched.h we need to provide * definitions for cpu_set_t and associated macros */ #if !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'. */ 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. */ # define __CPU_ZERO(cpusetp) \ do { \ unsigned int __i; \ cpu_set_t *__arr = (cpusetp); \ for (__i = 0; __i < sizeof (cpu_set_t) / sizeof (__cpu_mask); ++__i) \ __arr->__bits[__i] = 0; \ } while (0) # define __CPU_SET(cpu, cpusetp) \ ((cpusetp)->__bits[__CPUELT (cpu)] |= __CPUMASK (cpu)) # define __CPU_CLR(cpu, cpusetp) \ ((cpusetp)->__bits[__CPUELT (cpu)] &= ~__CPUMASK (cpu)) # define __CPU_ISSET(cpu, cpusetp) \ (((cpusetp)->__bits[__CPUELT (cpu)] & __CPUMASK (cpu)) != 0) /* Access macros for `cpu_set'. */ #define CPU_SETSIZE __CPU_SETSIZE #define CPU_SET(cpu, cpusetp) __CPU_SET (cpu, cpusetp) #define CPU_CLR(cpu, cpusetp) __CPU_CLR (cpu, cpusetp) #define CPU_ISSET(cpu, cpusetp) __CPU_ISSET (cpu, cpusetp) #define CPU_ZERO(cpusetp) __CPU_ZERO (cpusetp) #endif