{"action":"created","issue":{"url":"https://api.github.com/repos/RT-Thread/rt-thread/issues/1817","repository_url":"https://api.github.com/repos/RT-Thread/rt-thread","labels_url":"https://api.github.com/repos/RT-Thread/rt-thread/issues/1817/labels{/name}","comments_url":"https://api.github.com/repos/RT-Thread/rt-thread/issues/1817/comments","events_url":"https://api.github.com/repos/RT-Thread/rt-thread/issues/1817/events","html_url":"https://github.com/RT-Thread/rt-thread/issues/1817","id":360699183,"node_id":"MDU6SXNzdWUzNjA2OTkxODM=","number":1817,"title":"一次中断的软件定时器的回调函数,不能被高优先级的任务打断","user":{"login":"xiake468","id":42599177,"node_id":"MDQ6VXNlcjQyNTk5MTc3","avatar_url":"https://avatars2.githubusercontent.com/u/42599177?v=4","gravatar_id":"","url":"https://api.github.com/users/xiake468","html_url":"https://github.com/xiake468","followers_url":"https://api.github.com/users/xiake468/followers","following_url":"https://api.github.com/users/xiake468/following{/other_user}","gists_url":"https://api.github.com/users/xiake468/gists{/gist_id}","starred_url":"https://api.github.com/users/xiake468/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/xiake468/subscriptions","organizations_url":"https://api.github.com/users/xiake468/orgs","repos_url":"https://api.github.com/users/xiake468/repos","events_url":"https://api.github.com/users/xiake468/events{/privacy}","received_events_url":"https://api.github.com/users/xiake468/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":3,"created_at":"2018-09-17T01:20:11Z","updated_at":"2018-09-18T00:33:15Z","closed_at":null,"author_association":"NONE","body":"另外还发现一次中断的软件定时器,再没达到定时时间的时候,不能取消执行回调函数,周期的软件定时器就可以"},"comment":{"url":"https://api.github.com/repos/RT-Thread/rt-thread/issues/comments/422214521","html_url":"https://github.com/RT-Thread/rt-thread/issues/1817#issuecomment-422214521","issue_url":"https://api.github.com/repos/RT-Thread/rt-thread/issues/1817","id":422214521,"node_id":"MDEyOklzc3VlQ29tbWVudDQyMjIxNDUyMQ==","user":{"login":"BernardXiong","id":1241087,"node_id":"MDQ6VXNlcjEyNDEwODc=","avatar_url":"https://avatars1.githubusercontent.com/u/1241087?v=4","gravatar_id":"","url":"https://api.github.com/users/BernardXiong","html_url":"https://github.com/BernardXiong","followers_url":"https://api.github.com/users/BernardXiong/followers","following_url":"https://api.github.com/users/BernardXiong/following{/other_user}","gists_url":"https://api.github.com/users/BernardXiong/gists{/gist_id}","starred_url":"https://api.github.com/users/BernardXiong/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/BernardXiong/subscriptions","organizations_url":"https://api.github.com/users/BernardXiong/orgs","repos_url":"https://api.github.com/users/BernardXiong/repos","events_url":"https://api.github.com/users/BernardXiong/events{/privacy}","received_events_url":"https://api.github.com/users/BernardXiong/received_events","type":"User","site_admin":false},"created_at":"2018-09-18T00:33:15Z","updated_at":"2018-09-18T00:33:15Z","author_association":"MEMBER","body":"timer thread说白了，还是一个线程。所以当一个线程优先级超过timer thread时，必然会去抢占timer thread。\r\n\r\n而对于单次定时器，你可以跟踪下（例如记录一些时间戳），看看具体发生了什么。"}}
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