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/* Definitions of constants and data structure for POSIX 1003.1b-1993

   scheduling interface.

   Copyright (C) 1996-1999,2001-2003,2005,2006 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 <bits/sched.h> directly; use <sched.h> instead."

//#endif

/* Scheduling algorithms.  */

#define SCHED_OTHER     0

#define SCHED_FIFO      1

#define SCHED_RR        2

#ifdef __USE_GNU

# define SCHED_BATCH    3

#endif

#ifdef __USE_MISC

/* Cloning flags.  */

# define CSIGNAL       0x000000ff /* Signal mask to be sent at exit.  */

# define CLONE_VM      0x00000100 /* Set if VM shared between processes.  */

# define CLONE_FS      0x00000200 /* Set if fs info shared between processes.  */

# define CLONE_FILES   0x00000400 /* Set if open files shared between processes.  */

# define CLONE_SIGHAND 0x00000800 /* Set if signal handlers shared.  */

# define CLONE_PTRACE  0x00002000 /* Set if tracing continues on the child.  */

# define CLONE_VFORK   0x00004000 /* Set if the parent wants the child to

                                     wake it up on mm_release.  */

# define CLONE_PARENT  0x00008000 /* Set if we want to have the same

                                     parent as the cloner.  */

# define CLONE_THREAD  0x00010000 /* Set to add to same thread group.  */

# define CLONE_NEWNS   0x00020000 /* Set to create new namespace.  */

# define CLONE_SYSVSEM 0x00040000 /* Set to shared SVID SEM_UNDO semantics.  */

# define CLONE_SETTLS  0x00080000 /* Set TLS info.  */

# define CLONE_PARENT_SETTID 0x00100000 /* Store TID in userlevel buffer

                                           before MM copy.  */

# define CLONE_CHILD_CLEARTID 0x00200000 /* Register exit futex and memory

                                            location to clear.  */

# define CLONE_DETACHED 0x00400000 /* Create clone detached.  */

# define CLONE_UNTRACED 0x00800000 /* Set if the tracing process can't

                                      force CLONE_PTRACE on this clone.  */

# define CLONE_CHILD_SETTID 0x01000000 /* Store TID in userlevel buffer in

                                          the child.  */

# define CLONE_STOPPED  0x02000000 /* Start in stopped state.  */

#endif

/* The official definition.  */

struct sched_param

  {

    int __sched_priority;

  };

__BEGIN_DECLS

#ifdef __USE_MISC

/* Clone current process.  */

extern int clone (int (*__fn) (void *__arg), void *__child_stack,

                  int __flags, void *__arg, ...) __THROW;

#if 0

/* Unshare the specified resources.  */

extern int unshare (int __flags) __THROW;

#endif

#endif

__END_DECLS

#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;

  };

# 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'.  */

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)

#endif