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-rw-r--r--include/linux/sched.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 49e617fa0f66..27519df0f987 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -107,13 +107,25 @@ extern unsigned long nr_iowait(void);
#include <asm/processor.h>
+/*
+ * Task state bitmask. NOTE! These bits are also
+ * encoded in fs/proc/array.c: get_task_state().
+ *
+ * We have two separate sets of flags: task->state
+ * is about runnability, while task->exit_state are
+ * about the task exiting. Confusing, but this way
+ * modifying one set can't modify the other one by
+ * mistake.
+ */
#define TASK_RUNNING 0
#define TASK_INTERRUPTIBLE 1
#define TASK_UNINTERRUPTIBLE 2
#define TASK_STOPPED 4
#define TASK_TRACED 8
+/* in tsk->exit_state */
#define EXIT_ZOMBIE 16
#define EXIT_DEAD 32
+/* in tsk->state again */
#define TASK_NONINTERACTIVE 64
#define __set_task_state(tsk, state_value) \
@@ -1006,6 +1018,7 @@ extern int force_sig_info(int, struct siginfo *, struct task_struct *);
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 int kill_proc_info_as_uid(int, struct siginfo *, pid_t, uid_t, uid_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 *);