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https://github.com/nim-lang/Nim.git
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40 lines
939 B
Nim
40 lines
939 B
Nim
discard """
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errormsg: "'consumer' is not GC-safe as it calls 'track'"
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line: 28
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nimout: '''tgc_unsafe2.nim(22, 6) Warning: 'trick' is not GC-safe as it accesses 'global' which is a global using GC'ed memory [GcUnsafe2]
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tgc_unsafe2.nim(26, 6) Warning: 'track' is not GC-safe as it calls 'trick' [GcUnsafe2]
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tgc_unsafe2.nim(28, 6) Error: 'consumer' is not GC-safe as it calls 'track'
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'''
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"""
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import threadpool
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type StringChannel = Channel[string]
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var channels: array[1..3, StringChannel]
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type
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MyObject[T] = object
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x: T
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var global: MyObject[string]
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var globalB: MyObject[float]
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proc trick(ix: int) =
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echo global.x
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echo channels[ix].recv()
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proc track(ix: int) = trick(ix)
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proc consumer(ix: int) {.thread.} =
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track(ix)
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proc main =
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for ix in 1..3: channels[ix].open()
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for ix in 1..3: spawn consumer(ix)
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for ix in 1..3: channels[ix].send("test")
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sync()
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for ix in 1..3: channels[ix].close()
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when true:
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main()
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