sha1origin/pr/2520/mergeghprbActualCommite6e67a90ee2ad998daa4a61b03254a1e141141afghprbActualCommitAuthorghprbActualCommitAuthorEmailghprbAuthorRepoGitUrlhttps://github.com/pjsg/bcc.gitghprbTriggerAuthorghprbTriggerAuthorEmailghprbTriggerAuthorLoginyonghong-songghprbTriggerAuthorLoginMention@yonghong-songghprbPullId2520ghprbTargetBranchmasterghprbSourceBranchlookup_or_init_returnGIT_BRANCHlookup_or_init_returnghprbPullAuthorEmailghprbPullAuthorLoginpjsgghprbPullAuthorLoginMention@pjsgghprbPullDescriptionGitHub pull request #2520 of commit e6e67a90ee2ad998daa4a61b03254a1e141141af, no merge conflicts.ghprbPullTitleFixes #2518 -- weird behaviour of lookup_or_initghprbPullLinkhttps://github.com/iovisor/bcc/pull/2520ghprbPullLongDescriptionThis changes the behaviour of `map.lookup_or_init` so that it returns 0 if the entry is not found *and* it cannot be inserted (e.g. the map is full). #2518 \r\n\r\nDocumentation updated. Also, all tests and sample code updated.\r\n\r\nDuring testing, found two errors in test setup -- one was a mismatch between a function prototype and the libbcc python definition, and the other was an incorrect python path in the test wrapper. \r\n\r\nI can't actually get all the tests to pass on my platform -- but the same set of tests fail on master, so I'm not unduly worried. I didn't understand the test failures -- but they look like a failure to setup the test environment.ghprbCommentBody[buildbot, ok to test]ghprbGhRepositoryiovisor/bccghprbCredentialsId6d3daf13-69b8-48b1-9c8f-ec5353264113Started by upstream project "bcc-pr" build number 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