/* Definitions for POSIX 1003.1b-1993 (aka POSIX.4) scheduling interface.
- Copyright (C) 1996, 1997, 1999, 2001, 2002 Free Software Foundation, Inc.
+ Copyright (C) 1996,1997,1999,2001-2004,2007,2010,2012
+ 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
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. */
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
#ifndef _SCHED_H
#define _SCHED_H 1
/* Get type definitions. */
#include <bits/types.h>
+#define __need_size_t
+#include <stddef.h>
+
+#define __need_time_t
#define __need_timespec
#include <time.h>
+#ifndef __pid_t_defined
+typedef __pid_t pid_t;
+# define __pid_t_defined
+#endif
+
+
/* Get system specific constant and data structure definitions. */
#include <bits/sched.h>
/* Define the real names for the elements of `struct sched_param'. */
__BEGIN_DECLS
/* Set scheduling parameters for a process. */
-extern int sched_setparam (__pid_t __pid, __const struct sched_param *__param)
+extern int sched_setparam (__pid_t __pid, const struct sched_param *__param)
__THROW;
/* Retrieve scheduling parameters for a particular process. */
/* Set scheduling algorithm and/or parameters for a process. */
extern int sched_setscheduler (__pid_t __pid, int __policy,
- __const struct sched_param *__param) __THROW;
+ const struct sched_param *__param) __THROW;
/* Retrieve scheduling algorithm for a particular purpose. */
extern int sched_getscheduler (__pid_t __pid) __THROW;
#ifdef __USE_GNU
+/* Access macros for `cpu_set'. */
+# define CPU_SETSIZE __CPU_SETSIZE
+# define CPU_SET(cpu, cpusetp) __CPU_SET_S (cpu, sizeof (cpu_set_t), cpusetp)
+# define CPU_CLR(cpu, cpusetp) __CPU_CLR_S (cpu, sizeof (cpu_set_t), cpusetp)
+# define CPU_ISSET(cpu, cpusetp) __CPU_ISSET_S (cpu, sizeof (cpu_set_t), \
+ cpusetp)
+# define CPU_ZERO(cpusetp) __CPU_ZERO_S (sizeof (cpu_set_t), cpusetp)
+# define CPU_COUNT(cpusetp) __CPU_COUNT_S (sizeof (cpu_set_t), cpusetp)
+
+# define CPU_SET_S(cpu, setsize, cpusetp) __CPU_SET_S (cpu, setsize, cpusetp)
+# define CPU_CLR_S(cpu, setsize, cpusetp) __CPU_CLR_S (cpu, setsize, cpusetp)
+# define CPU_ISSET_S(cpu, setsize, cpusetp) __CPU_ISSET_S (cpu, setsize, \
+ cpusetp)
+# define CPU_ZERO_S(setsize, cpusetp) __CPU_ZERO_S (setsize, cpusetp)
+# define CPU_COUNT_S(setsize, cpusetp) __CPU_COUNT_S (setsize, cpusetp)
+
+# define CPU_EQUAL(cpusetp1, cpusetp2) \
+ __CPU_EQUAL_S (sizeof (cpu_set_t), cpusetp1, cpusetp2)
+# define CPU_EQUAL_S(setsize, cpusetp1, cpusetp2) \
+ __CPU_EQUAL_S (setsize, cpusetp1, cpusetp2)
+
+# define CPU_AND(destset, srcset1, srcset2) \
+ __CPU_OP_S (sizeof (cpu_set_t), destset, srcset1, srcset2, &)
+# define CPU_OR(destset, srcset1, srcset2) \
+ __CPU_OP_S (sizeof (cpu_set_t), destset, srcset1, srcset2, |)
+# define CPU_XOR(destset, srcset1, srcset2) \
+ __CPU_OP_S (sizeof (cpu_set_t), destset, srcset1, srcset2, ^)
+# define CPU_AND_S(setsize, destset, srcset1, srcset2) \
+ __CPU_OP_S (setsize, destset, srcset1, srcset2, &)
+# define CPU_OR_S(setsize, destset, srcset1, srcset2) \
+ __CPU_OP_S (setsize, destset, srcset1, srcset2, |)
+# define CPU_XOR_S(setsize, destset, srcset1, srcset2) \
+ __CPU_OP_S (setsize, destset, srcset1, srcset2, ^)
+
+# define CPU_ALLOC_SIZE(count) __CPU_ALLOC_SIZE (count)
+# define CPU_ALLOC(count) __CPU_ALLOC (count)
+# define CPU_FREE(cpuset) __CPU_FREE (cpuset)
+
+
/* Set the CPU affinity for a task */
-extern int sched_setaffinity (__pid_t __pid, unsigned long int __len,
- unsigned long int *__mask) __THROW;
+extern int sched_setaffinity (__pid_t __pid, size_t __cpusetsize,
+ const cpu_set_t *__cpuset) __THROW;
/* Get the CPU affinity for a task */
-extern int sched_getaffinity (__pid_t __pid, unsigned long int __len,
- unsigned long int *__mask) __THROW;
+extern int sched_getaffinity (__pid_t __pid, size_t __cpusetsize,
+ cpu_set_t *__cpuset) __THROW;
#endif
__END_DECLS