If you want to close a specified one of several collaborators, you can use Context to control it. If you want to close a specified one, do you still use Context?

whether this situation can only be judged by sync.Map and Channel

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first, you need to close one of them. If the outside of your program can find the co-program you need to close, you need to inject some identification or something, such as using map to store these identities. Each co-program injects a channel, and then uses select to run inside the co-program to determine whether the channel is close. If close is off, exit the co-program ~

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b2b466-2b1fc.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b2b466-2b1fc.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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