in lldbmacros/init.py [0:0]
def PthreadShowUserMutex(cmd_args=None):
"""
display information about a userspace mutex at a given address
Syntax: (lldb) showusermutex <task_t> <uaddr>
"""
if not cmd_args:
raise ArgumentError("No arguments passed")
task = kern.GetValueFromAddress(cmd_args[0], "task_t")
uaddr = kern.GetValueFromAddress(cmd_args[1], "user_addr_t")
print GetUserMutexSummary.header
print GetUserMutexSummary(task, uaddr)