57 lines
1.5 KiB
Cython
57 lines
1.5 KiB
Cython
@cython.no_gc_clear
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cdef class UVAsync(UVHandle):
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cdef _init(self, Loop loop, method_t callback, object ctx):
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cdef int err
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self._start_init(loop)
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self._handle = <uv.uv_handle_t*>PyMem_RawMalloc(sizeof(uv.uv_async_t))
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if self._handle is NULL:
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self._abort_init()
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raise MemoryError()
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err = uv.uv_async_init(self._loop.uvloop,
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<uv.uv_async_t*>self._handle,
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__uvasync_callback)
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if err < 0:
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self._abort_init()
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raise convert_error(err)
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self._finish_init()
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self.callback = callback
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self.ctx = ctx
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cdef send(self):
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cdef int err
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self._ensure_alive()
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err = uv.uv_async_send(<uv.uv_async_t*>self._handle)
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if err < 0:
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exc = convert_error(err)
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self._fatal_error(exc, True)
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return
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@staticmethod
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cdef UVAsync new(Loop loop, method_t callback, object ctx):
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cdef UVAsync handle
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handle = UVAsync.__new__(UVAsync)
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handle._init(loop, callback, ctx)
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return handle
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cdef void __uvasync_callback(
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uv.uv_async_t* handle,
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) noexcept with gil:
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if __ensure_handle_data(<uv.uv_handle_t*>handle, "UVAsync callback") == 0:
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return
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cdef:
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UVAsync async_ = <UVAsync> handle.data
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method_t cb = async_.callback
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try:
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cb(async_.ctx)
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except BaseException as ex:
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async_._error(ex, False)
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