46 lines
1.3 KiB
Python
46 lines
1.3 KiB
Python
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import math
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import ctypes
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from .clib_lookup import CLIBLookup
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class timespec(ctypes.Structure):
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_fields_ = [("sec", ctypes.c_long), ("nsec", ctypes.c_long)]
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__slots__ = [name for name,type in _fields_]
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@classmethod
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def from_seconds(cls, secs):
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c = cls()
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c.seconds = secs
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return c
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@property
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def seconds(self):
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return self.sec + self.nsec / 1000000000
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@seconds.setter
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def seconds(self, secs):
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x, y = math.modf(secs)
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self.sec = int(y)
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self.nsec = int(x * 1000000000)
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class itimerspec(ctypes.Structure):
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_fields_ = [("interval", timespec),("value", timespec)]
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__slots__ = [name for name,type in _fields_]
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@classmethod
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def from_seconds(cls, interval, value):
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spec = cls()
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spec.interval.seconds = interval
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spec.value.seconds = value
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return spec
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# function timerfd_create
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timerfd_create = CLIBLookup("timerfd_create", ctypes.c_int, (ctypes.c_long, ctypes.c_int))
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# function timerfd_settime
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timerfd_settime = CLIBLookup("timerfd_settime", ctypes.c_int, (ctypes.c_int, ctypes.c_int, ctypes.POINTER(itimerspec), ctypes.POINTER(itimerspec)))
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# function timerfd_gettime
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timerfd_gettime = CLIBLookup("timerfd_gettime", ctypes.c_int, (ctypes.c_int, ctypes.POINTER(itimerspec)))
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