swevent_hlist_get_cpu

Name:swevent_hlist_get_cpu

Proto:static int swevent_hlist_get_cpu(int cpu)

Type:int

Parameter:

Type	Parameter	Name
int	cpu

8786

swhash = per_cpu(swevent_htable, cpu)

8787

err = 0

8789

mutex_lock( & hlist_mutex)

8790

If Not Deref the hlist from the update side && pumask_test_cpu - test for a cpu in a cpumask*@cpu: cpu number (< nr_cpu_ids)*@cpumask: the cpumask pointer* Returns 1 if @cpu is set in @cpumask, else returns 0 Then

8794

hlist = kzalloc - allocate memory. The memory is set to zero.*@size: how many bytes of memory are required.*@flags: the type of memory to allocate (see kmalloc).

8795

If Not hlist Then

8796

8797

Go to exit

8799

cu_assign_pointer() - assign to RCU-protected pointer*@p: pointer to assign to*@v: value to assign (publish)* Assigns the specified value to the specified RCU-protected* pointer, ensuring that any concurrent RCU readers will see* any prior initialization(swevent_hlist, hlist)

8801

hlist_refcount++

8802

exit :

8803

mutex_unlock - release the mutex*@lock: the mutex to be released* Unlock a mutex that has been locked by this task previously.* This function must not be used in interrupt context. Unlocking* of a not locked mutex is not allowed.

8805

Return err

**Caller**
Name	Describe
swevent_hlist_get

Source code conversion tool public plug-in interface	X
Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion