Messages in this thread | ![/](/images/icornerl.gif) | | From | Florian Weimer <> | Subject | Re: [RFC PATCH glibc 4/8] glibc: Perform rseq(2) registration at C startup and thread creation (v15) | Date | Thu, 19 Mar 2020 15:53:48 +0100 |
| |
* 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.
Can you use __has_include in <sys/rseq.h>, with a copy of the kernel definitions if the kernel header is not available?
| ![\](/images/icornerr.gif) |