kill_fasync_rcu

Name:_read_lock() is held

Proto:static void kill_fasync_rcu(struct fasync_struct *fa, int sig, int band)

Type:void

Parameter:

Type	Parameter	Name
struct fasync_struct *	fa
int	sig
int	band

992

When fa cycle

995

If magic != FASYNC_MAGIC Then

996

printk - print a kernel message*@fmt: format string* This is printk(). It can be called from any context. We want it to work.* We try to grab the console_lock. If we succeed, it's easy - we log the* output and call the console drivers

998

Return

1000

read_lock( & fa_lock)

1001

If fa_file Then

1002

1006

If Not ( sig == SIGURG && posix.1b rt signal to be delivered on IO == 0 ) Then send_sigio(fown, fa_fd, band)

1009

read_unlock( & fa_lock)

1010

fa = fetch RCU-protected pointer for dereferencing( singly linked list )

**Caller**
Name	Describe
kill_fasync

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