多个c服务之间如何共享一个c指针？
#2094
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初步想法是这样的， manager创建了这个内存对象，拿到指针即一个地址， 然后for i=1, n 启动n个worker服务，启动的时候把指针作为参数传过去，这样worker启动的时候就能拿到这个指针，接下来收到消息就会可以使用这个指针，manager负责管理指针的回收释放，释放的时候也发一个消息给所有worker。 |
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可以试试 env |
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提前在manager服务里创建了一块c内存对象，得到一个指针， 有n个同样的worker服务(也是c服务)，如何让这些worker服务也能共享拿到这个c指针？
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