----- On Mar 19, 2020, at 10:53 AM, Florian Weimer fw@xxxxxxxxxxxxx wrote: > * Mathieu Desnoyers via Libc-alpha: > >> Changes since v14: >> - Update copyright range to include 2020. >> - Introduce __ASSUME_RSEQ defined for --enable-kernel=4.18.0 and higher. >> - Use ifdef __ASSUME_RSEQ rather than ifdef __NR_rseq to discover rseq >> availability. This is necessary now that the system call numbers are >> integrated within glibc. > > It's not quite clear to me why you need __ASSUME_RSEQ. This is how I noticed other Linux features were being integrated, so I figured this is how I should do it. Monkey see, monkey do. ;-) > Can you use __has_include in <sys/rseq.h>, with a copy of the kernel > definitions if the kernel header is not available? Sure. Should I pull a verbatim copy of uapi linux/rseq.h into glibc ? If so, where should I put it ? Thanks, Mathieu -- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com
