chud_osfmk_callback.c [plain text]
#include <stdint.h>
#include <mach/boolean.h>
#include <mach/mach_types.h>
#include <kern/kern_types.h>
#include <kern/processor.h>
#include <kern/timer_call.h>
#include <kern/thread_call.h>
#include <kern/kalloc.h>
#include <kern/thread.h>
#include <machine/machine_routines.h>
#include <machine/cpu_data.h>
#include <chud/chud_xnu.h>
#include <chud/chud_xnu_private.h>
#pragma mark **** timer ****
__private_extern__ chud_timer_t
chudxnu_timer_alloc(chudxnu_timer_callback_func_t func, uint32_t param0)
{
return (chud_timer_t)thread_call_allocate((thread_call_func_t)func, (thread_call_param_t)param0);
}
__private_extern__ kern_return_t
chudxnu_timer_callback_enter(
chud_timer_t timer,
uint32_t param1,
uint32_t time,
uint32_t units)
{
uint64_t t_delay;
clock_interval_to_deadline(time, units, &t_delay);
thread_call_enter1_delayed((thread_call_t)timer, (thread_call_param_t)param1, t_delay);
return KERN_SUCCESS;
}
__private_extern__ kern_return_t
chudxnu_timer_callback_cancel(chud_timer_t timer)
{
thread_call_cancel((thread_call_t)timer);
return KERN_SUCCESS;
}
__private_extern__ kern_return_t
chudxnu_timer_free(chud_timer_t timer)
{
thread_call_cancel((thread_call_t)timer);
thread_call_free((thread_call_t)timer);
return KERN_SUCCESS;
}
#pragma mark **** thread timer - DEPRECATED ****
static thread_call_t thread_timer_call = NULL;
static chudxnu_thread_timer_callback_func_t thread_timer_callback_fn = NULL;
static void chudxnu_private_thread_timer_callback(
thread_call_param_t param0,
thread_call_param_t param1)
{
#pragma unused (param1)
chudxnu_thread_timer_callback_func_t fn = thread_timer_callback_fn;
if(thread_timer_call) {
thread_call_free(thread_timer_call);
thread_timer_call = NULL;
if(fn) {
(fn)((uint32_t)param0);
}
}
}
__private_extern__
kern_return_t chudxnu_thread_timer_callback_enter(
chudxnu_thread_timer_callback_func_t func,
uint32_t param,
uint32_t time,
uint32_t units)
{
if(!thread_timer_call) {
uint64_t t_delay;
thread_timer_callback_fn = func;
thread_timer_call = thread_call_allocate(
(thread_call_func_t)
chudxnu_private_thread_timer_callback,
(thread_call_param_t)
param);
clock_interval_to_deadline(time, units, &t_delay);
thread_call_enter_delayed(thread_timer_call, t_delay);
return KERN_SUCCESS;
} else {
return KERN_FAILURE; }
}
__private_extern__
kern_return_t chudxnu_thread_timer_callback_cancel(void)
{
if(thread_timer_call) {
thread_call_cancel(thread_timer_call);
thread_call_free(thread_timer_call);
thread_timer_call = NULL;
}
thread_timer_callback_fn = NULL;
return KERN_SUCCESS;
}