| mode<\/th> | effect<\/th><\/tr>\n |
|---|---|
| blocking<\/td> | program waits for external process that it calls<\/td><\/tr>\n |
| non-blocking<\/td> | program continues past external process call, possibly even finishing before it receives response from external process<\/td><\/tr>\n<\/table>\n \nBecause non-blocking code can complete before the external process it called, there’s a risk that the output it asks for, it won’t pass on. The situation is comparable to someone asking a co-worker for a file, but then leaving the office before the co-worker brings it. The file then sits on the desk, its contents unread.\n<\/p>\n \nSource:\n<\/p>\n \nnodejs.org<\/a>\n<\/p>\nJack of Oracle Tutoring by Jack and Diane,<\/a> Campbell River, BC.\n\n","protected":false},"excerpt":{"rendered":" Self-tutoring about computer science: the tutor mentions the concepts of blocking and non-blocking i\/o. mode effect blocking program waits for external process that it calls non-blocking program continues past external process call, possibly even finishing before it receives response from …<\/p>\n |