def is_kernel_running(cpu_index):
""" Returns True if the corresponding CPU is executing in Ring 0
:param cpu_index: CPU index that we want to query. Each CPU might be executing a different address space
:type cpu_index: int
:return: True if the corresponding CPU is executing in Ring 0, False otherwise
:rtype: bool
"""
import c_api
#If this function call fails, it will raise an exception.
#Given that the exception is self explanatory, we just let it propagate upwards
return c_api.is_kernel_running(cpu_index)
def is_kernel_running(cpu_index=0):
""" Returns True if the corresponding CPU is executing in Ring 0
:param cpu_index: CPU index that we want to query. Each CPU might be executing a different address space
:type cpu_index: int
:return: True if the corresponding CPU is executing in Ring 0, False otherwise
:rtype: bool
"""
import c_api
# If this function call fails, it will raise an exception.
# Given that the exception is self explanatory, we just let it propagate
# upwards
if cpu_index >= get_num_cpus():
raise ValueError("Incorrect cpu index specified")
return c_api.is_kernel_running(cpu_index)
