Yep, it does indeed come from referencesource: https://github.com/mono/mono/blob/d01c819b05550d430d3c1bf0cc6842a2e8a47a0d/mcs/class/referencesource/System.Data/System/Data/Common/System.Data_BID.cs#L70
This should be harmless as I don't think any code on Mono reaches this (otherwise you'd get a crash). We can probably just ifdef this out on Mono. - Alex > On 01 Mar 2017, at 19:56, Robert Jordan <[email protected]> wrote: > > On 01.03.2017 15:54, Jonathan Mitchell wrote: >> While fixing a Dll import issue on MacOS I noticed the following: >> >> Mono: DllImport error loading library 'libSystem.Data.dll.so': >> 'dlopen(libSystem.Data.dll.so, 9): image not found'. >> Mono: DllImport error loading library 'libSystem.Data.dll.bundle': >> 'dlopen(libSystem.Data.dll.bundle, 9): image not found'. >> Mono: DllImport error loading library 'libSystem.Data.dll': >> 'dlopen(libSystem.Data.dll, 9): image not found'. >> Mono: DllImport unable to load library 'dlopen(libSystem.Data.dll, 9): image >> not found'. >> Mono: DllImport attempting to load: 'System.Data.dll’. >> >> By the time my app launches dlopen() has attempted to load >> libSystem.Data.dll.whatever 1600 times. >> My MacOS app launches and exceutes okay. >> >> Is this normal behaviour on 4.8.0? > > It happens on 4.6.x as well, and it seems to be caused by actual > DllImports of 'System.Data.dll': > > > > $ monodis System.Data.dll | grep pinvoke | grep System > > .method assembly static hidebysig pinvokeimpl ("System.Data.dll" as > "DllBidTraceCW" unicode cdecl ) > .method assembly static hidebysig pinvokeimpl ("System.Data.dll" as > "DllBidTraceCW" unicode cdecl ) > ... > > > These look to me like some MS Reference Source artifacts. Maybe > there is a native System.Data.dll under MS.NET which is providing > these exports :) No idea what it is. > > See also > > https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Freferencesource.microsoft.com%2F%23System.Data%2FSystem%2FData%2FCommon%2FSystem.Data_BID.cs&data=02%7C01%7Calkpli%40microsoft.com%7C95701d1e99b348f34a6308d460d4afe7%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636239913989378069&sdata=RYFPq%2F7PJb2xlR%2BWG7%2FVhWGzoVrmLa4MuWqV4QkUnPg%3D&reserved=0 > > > Robert > > > _______________________________________________ > Mono-devel-list mailing list > [email protected] > https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists.dot.net%2Fmailman%2Flistinfo%2Fmono-devel-list&data=02%7C01%7Calkpli%40microsoft.com%7C95701d1e99b348f34a6308d460d4afe7%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636239913989378069&sdata=mUIjQGYdRfyJXN%2BM%2FLHeDrPKfcx9f3jRyNrwAtXOxd0%3D&reserved=0 _______________________________________________ Mono-devel-list mailing list [email protected] http://lists.dot.net/mailman/listinfo/mono-devel-list
