/facepalm maybe move your hand-written version into portability just for musl, and everyone with a working libc just uses sysconf()?
On Tue, Apr 30, 2024 at 8:26 PM Rob Landley <[email protected]> wrote: > > On 4/29/24 16:56, enh via Toybox wrote: > > isn't nproc(1) just a call to sysconf(3) with either > > _SC_NPROCESSORS_ONLN for regular behavior, or _SC_NPROCESSORS_CONF for > > --all? > > From musl src/conf/sysconf.c: > > case JT_NPROCESSORS_CONF & 255: > case JT_NPROCESSORS_ONLN & 255: ; > unsigned char set[128] = {1}; > int i, cnt; > __syscall(SYS_sched_getaffinity, 0, sizeof set, set); > for (i=cnt=0; i<sizeof set; i++) > for (; set[i]; set[i]&=set[i]-1, cnt++); > return cnt; > > Musl returns the same thing for "conf" and "online". > > Rob _______________________________________________ Toybox mailing list [email protected] http://lists.landley.net/listinfo.cgi/toybox-landley.net
