On Tue, Mar 08 2022, Jeff Hostetler wrote: > On 3/7/22 5:37 AM, Ævar Arnfjörð Bjarmason wrote: >> On Tue, Mar 01 2022, Jeff Hostetler via GitGitGadget wrote: >> >>> From: Jeff Hostetler <jeffhost@xxxxxxxxxxxxx> >>> [...] >>> +#define kFSEventStreamEventFlagNone 0x00000000 > [...] >>> +#define kFSEventStreamEventFlagItemCloned 0x00400000 >> Can we define these as 1<<0, 1<<1, 1<<2 etc.? We do that in most >> other >> places, and it helps to quickly eyeball these and see that they don't >> have gaps. > > All of these constants are defined by Apple in their header > files and system documentation. For example, see: > https://developer.apple.com/documentation/coreservices/1455361-fseventstreameventflags/kfseventstreameventflagitemcloned > > The set is relatively fixed by Apple and we won't be adding any > (since they define the bits in a FS event from the kernel). > > Changing them to shifts would be wrong. Ah, I missed the "ifndef __clang__" at the start, so most of it is not needed except with gcc. FWIW I think having that whole part just split into compat/fsmonitor/darwin-gcc.h would make it obvious where all the GCC-specific hackery is.