Merge master.kernel.org:/pub/scm/linux/kernel/git/kyle/parisc-2.6

[sfrench/cifs-2.6.git] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 5e8a0ba617493fb3eafeb828b2eb31366871566e..6f7c9a4d80e5250edf6429c7999cc5cd1ead68cf 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -82,6 +82,7 @@ struct sched_param {
 #include <linux/resource.h>
 #include <linux/timer.h>
 #include <linux/hrtimer.h>
+#include <linux/task_io_accounting.h>
 
 #include <asm/processor.h>
 
@@ -435,8 +436,13 @@ struct signal_struct {
 
        /* job control IDs */
        pid_t pgrp;
-       pid_t tty_old_pgrp;
-       pid_t session;
+       struct pid *tty_old_pgrp;
+
+       union {
+               pid_t session __deprecated;
+               pid_t __session;
+       };
+
        /* boolean value for session group leader */
        int leader;
 
@@ -642,6 +648,7 @@ enum idle_type
 #define SD_SHARE_CPUPOWER      128     /* Domain members share cpu power */
 #define SD_POWERSAVINGS_BALANCE        256     /* Balance for power savings */
 #define SD_SHARE_PKG_RESOURCES 512     /* Domain members share cpu pkg resources */
+#define SD_SERIALIZE           1024    /* Only a single load balancing instance */
 
 #define BALANCE_FOR_MC_POWER   \
        (sched_smt_power_savings ? SD_POWERSAVINGS_BALANCE : 0)
@@ -1006,8 +1013,11 @@ struct task_struct {
  * to a stack based synchronous wait) if its doing sync IO.
  */
        wait_queue_t *io_wait;
+#ifdef CONFIG_TASK_XACCT
 /* i/o counters(bytes read/written, #syscalls */
        u64 rchar, wchar, syscr, syscw;
+#endif
+       struct task_io_accounting ioac;
 #if defined(CONFIG_TASK_XACCT)
        u64 acct_rss_mem1;      /* accumulated rss usage */
        u64 acct_vm_mem1;       /* accumulated virtual memory usage */
@@ -1040,6 +1050,9 @@ struct task_struct {
 #ifdef CONFIG_TASK_DELAY_ACCT
        struct task_delay_info *delays;
 #endif
+#ifdef CONFIG_FAULT_INJECTION
+       int make_it_fail;
+#endif
 };
 
 static inline pid_t process_group(struct task_struct *tsk)
@@ -1047,6 +1060,21 @@ static inline pid_t process_group(struct task_struct *tsk)
        return tsk->signal->pgrp;
 }
 
+static inline pid_t signal_session(struct signal_struct *sig)
+{
+       return sig->__session;
+}
+
+static inline pid_t process_session(struct task_struct *tsk)
+{
+       return signal_session(tsk->signal);
+}
+
+static inline void set_signal_session(struct signal_struct *sig, pid_t session)
+{
+       sig->__session = session;
+}
+
 static inline struct pid *task_pid(struct task_struct *task)
 {
        return task->pids[PIDTYPE_PID].pid;
@@ -1118,7 +1146,6 @@ static inline void put_task_struct(struct task_struct *t)
 #define PF_MEMALLOC    0x00000800      /* Allocating memory */
 #define PF_FLUSHER     0x00001000      /* responsible for disk writeback */
 #define PF_USED_MATH   0x00002000      /* if unset the fpu must be initialized before use */
-#define PF_FREEZE      0x00004000      /* this task is being frozen for suspend now */
 #define PF_NOFREEZE    0x00008000      /* this thread should not be frozen */
 #define PF_FROZEN      0x00010000      /* frozen for system suspend */
 #define PF_FSTRANS     0x00020000      /* inside a filesystem transaction */
@@ -1302,14 +1329,12 @@ extern int kill_pid_info(int sig, struct siginfo *info, struct pid *pid);
 extern int kill_pid_info_as_uid(int, struct siginfo *, struct pid *, uid_t, uid_t, u32);
 extern int kill_pgrp(struct pid *pid, int sig, int priv);
 extern int kill_pid(struct pid *pid, int sig, int priv);
-extern int __kill_pg_info(int sig, struct siginfo *info, pid_t pgrp);
-extern int kill_pg_info(int, struct siginfo *, pid_t);
+extern int kill_proc_info(int, struct siginfo *, pid_t);
 extern void do_notify_parent(struct task_struct *, int);
 extern void force_sig(int, struct task_struct *);
 extern void force_sig_specific(int, struct task_struct *);
 extern int send_sig(int, struct task_struct *, int);
 extern void zap_other_threads(struct task_struct *p);
-extern int kill_pg(pid_t, int, int);
 extern int kill_proc(pid_t, int, int);
 extern struct sigqueue *sigqueue_alloc(void);
 extern void sigqueue_free(struct sigqueue *);
@@ -1380,7 +1405,6 @@ extern NORET_TYPE void do_group_exit(int);
 extern void daemonize(const char *, ...);
 extern int allow_signal(int);
 extern int disallow_signal(int);
-extern struct task_struct *child_reaper;
 
 extern int do_execve(char *, char __user * __user *, char __user * __user *, struct pt_regs *);
 extern long do_fork(unsigned long, unsigned long, struct pt_regs *, unsigned long, int __user *, int __user *);
@@ -1625,6 +1649,44 @@ extern int sched_create_sysfs_power_savings_entries(struct sysdev_class *cls);
 
 extern void normalize_rt_tasks(void);
 
+#ifdef CONFIG_TASK_XACCT
+static inline void add_rchar(struct task_struct *tsk, ssize_t amt)
+{
+       tsk->rchar += amt;
+}
+
+static inline void add_wchar(struct task_struct *tsk, ssize_t amt)
+{
+       tsk->wchar += amt;
+}
+
+static inline void inc_syscr(struct task_struct *tsk)
+{
+       tsk->syscr++;
+}
+
+static inline void inc_syscw(struct task_struct *tsk)
+{
+       tsk->syscw++;
+}
+#else
+static inline void add_rchar(struct task_struct *tsk, ssize_t amt)
+{
+}
+
+static inline void add_wchar(struct task_struct *tsk, ssize_t amt)
+{
+}
+
+static inline void inc_syscr(struct task_struct *tsk)
+{
+}
+
+static inline void inc_syscw(struct task_struct *tsk)
+{
+}
+#endif
+
 #endif /* __KERNEL__ */
 
 #endif