{"id":3141,"date":"2011-03-04T13:45:31","date_gmt":"2011-03-04T18:45:31","guid":{"rendered":"http:\/\/mjtsai.com\/blog\/?p=3141"},"modified":"2011-03-04T13:48:10","modified_gmt":"2011-03-04T18:48:10","slug":"a-tour-of-osatomic","status":"publish","type":"post","link":"https:\/\/mjtsai.com\/blog\/2011\/03\/04\/a-tour-of-osatomic\/","title":{"rendered":"A Tour of OSAtomic"},"content":{"rendered":"<p><a href=\"http:\/\/www.mikeash.com\/pyblog\/friday-qa-2011-03-04-a-tour-of-osatomic.html\">Mike Ash<\/a>:<\/p>\n<blockquote cite=\"http:\/\/www.mikeash.com\/pyblog\/friday-qa-2011-03-04-a-tour-of-osatomic.html\"><p> To see how you can use these, let&rsquo;s consider how you would write <code>OSAtomicAdd32<\/code> using compare and swap. Again, it works using a transaction model. First, fetch the original value. Then add to obtain a new value. Finally, use compare and swap with the original and new values. If it failed, go back and try everything again.<\/p><\/blockquote>","protected":false},"excerpt":{"rendered":"<p>Mike Ash: To see how you can use these, let&rsquo;s consider how you would write OSAtomicAdd32 using compare and swap. Again, it works using a transaction model. First, fetch the original value. Then add to obtain a new value. Finally, use compare and swap with the original and new values. If it failed, go back [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"apple_news_api_created_at":"","apple_news_api_id":"","apple_news_api_modified_at":"","apple_news_api_revision":"","apple_news_api_share_url":"","apple_news_coverimage":0,"apple_news_coverimage_caption":"","apple_news_is_hidden":false,"apple_news_is_paid":false,"apple_news_is_preview":false,"apple_news_is_sponsored":false,"apple_news_maturity_rating":"","apple_news_metadata":"\"\"","apple_news_pullquote":"","apple_news_pullquote_position":"","apple_news_slug":"","apple_news_sections":"\"\"","apple_news_suppress_video_url":false,"apple_news_use_image_component":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-3141","post","type-post","status-publish","format-standard","hentry","category-programming-category"],"apple_news_notices":[],"_links":{"self":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/3141","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/comments?post=3141"}],"version-history":[{"count":3,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/3141\/revisions"}],"predecessor-version":[{"id":3144,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/3141\/revisions\/3144"}],"wp:attachment":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/media?parent=3141"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/categories?post=3141"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/tags?post=3141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}