freezer: remove should_send_signal() and update frozen()
should_send_signal() is only used in freezer.c. Exporting them only
increases chance of abuse. Open code the two users and remove it.
Update frozen() to return bool.
Signed-off-by: Tejun Heo <tj@kernel.org>
diff --git a/include/linux/freezer.h b/include/linux/freezer.h
index 8e29f2b..3d50913 100644
--- a/include/linux/freezer.h
+++ b/include/linux/freezer.h
@@ -15,7 +15,7 @@
/*
* Check if a process has been frozen
*/
-static inline int frozen(struct task_struct *p)
+static inline bool frozen(struct task_struct *p)
{
return p->flags & PF_FROZEN;
}
@@ -32,11 +32,6 @@
return freezing_slow_path(p);
}
-static inline bool should_send_signal(struct task_struct *p)
-{
- return !(p->flags & PF_FREEZER_NOSIG);
-}
-
/* Takes and releases task alloc lock using task_lock() */
extern void __thaw_task(struct task_struct *t);
@@ -166,7 +161,7 @@
__retval; \
})
#else /* !CONFIG_FREEZER */
-static inline int frozen(struct task_struct *p) { return 0; }
+static inline bool frozen(struct task_struct *p) { return false; }
static inline bool freezing(struct task_struct *p) { return false; }
static inline bool __refrigerator(bool check_kthr_stop) { return false; }