#ifndef _LINUX_SCHED_H
#define _LINUX_SCHED_H
-/*
- * 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 and blocked signals shared */
-#define CLONE_PTRACE 0x00002000 /* set if we want to let tracing continue on the child too */
-#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 /* Same thread group? */
-#define CLONE_NEWNS 0x00020000 /* New namespace group? */
-#define CLONE_SYSVSEM 0x00040000 /* share system V SEM_UNDO semantics */
-#define CLONE_SETTLS 0x00080000 /* create a new TLS for the child */
-#define CLONE_PARENT_SETTID 0x00100000 /* set the TID in the parent */
-#define CLONE_CHILD_CLEARTID 0x00200000 /* clear the TID in the child */
-#define CLONE_DETACHED 0x00400000 /* Unused, ignored */
-#define CLONE_UNTRACED 0x00800000 /* set if the tracing process can't force CLONE_PTRACE on this clone */
-#define CLONE_CHILD_SETTID 0x01000000 /* set the TID in the child */
-/* 0x02000000 was previously the unused CLONE_STOPPED (Start in stopped state)
- and is now available for re-use. */
-#define CLONE_NEWUTS 0x04000000 /* New utsname group? */
-#define CLONE_NEWIPC 0x08000000 /* New ipcs */
-#define CLONE_NEWUSER 0x10000000 /* New user namespace */
-#define CLONE_NEWPID 0x20000000 /* New pid namespace */
-#define CLONE_NEWNET 0x40000000 /* New network namespace */
-#define CLONE_IO 0x80000000 /* Clone io context */
+#include <uapi/linux/sched.h>
-/*
- * Scheduling policies
- */
-#define SCHED_NORMAL 0
-#define SCHED_FIFO 1
-#define SCHED_RR 2
-#define SCHED_BATCH 3
-/* SCHED_ISO: reserved but not implemented yet */
-#define SCHED_IDLE 5
-/* Can be ORed in to make sure the process is reverted back to SCHED_NORMAL on fork */
-#define SCHED_RESET_ON_FORK 0x40000000
-
-#ifdef __KERNEL__
struct sched_param {
int sched_priority;
#ifdef CONFIG_SMP
int (*select_task_rq)(struct task_struct *p, int sd_flag, int flags);
+ void (*migrate_task_rq)(struct task_struct *p, int next_cpu);
void (*pre_schedule) (struct rq *this_rq, struct task_struct *task);
void (*post_schedule) (struct rq *this_rq);
unsigned long weight, inv_weight;
};
+struct sched_avg {
+ /*
+ * These sums represent an infinite geometric series and so are bound
+ * above by 1024/(1-y). Thus we only need a u32 to store them for for all
+ * choices of y < 1-2^(-32)*1024.
+ */
+ u32 runnable_avg_sum, runnable_avg_period;
+ u64 last_runnable_update;
+ s64 decay_count;
+ unsigned long load_avg_contrib;
+};
+
#ifdef CONFIG_SCHEDSTATS
struct sched_statistics {
u64 wait_start;
/* rq "owned" by this entity/group: */
struct cfs_rq *my_q;
#endif
+/*
+ * Load-tracking only depends on SMP, FAIR_GROUP_SCHED dependency below may be
+ * removed when useful for applications beyond shares distribution (e.g.
+ * load-balance).
+ */
+#if defined(CONFIG_SMP) && defined(CONFIG_FAIR_GROUP_SCHED)
+ /* Per-entity load-tracking */
+ struct sched_avg avg;
+#endif
};
struct sched_rt_entity {
const char __user * const __user *, struct pt_regs *);
extern long do_fork(unsigned long, unsigned long, struct pt_regs *, unsigned long, int __user *, int __user *);
struct task_struct *fork_idle(int);
+#ifdef CONFIG_GENERIC_KERNEL_THREAD
+extern pid_t kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
+#endif
extern void set_task_comm(struct task_struct *tsk, char *from);
extern char *get_task_comm(char *to, struct task_struct *tsk);
return task_rlimit_max(current, limit);
}
-#endif /* __KERNEL__ */
-
#endif