diff options
| author | jkoshy <jkoshy@FreeBSD.org> | 2001-12-01 12:07:42 +0000 |
|---|---|---|
| committer | jkoshy <jkoshy@FreeBSD.org> | 2001-12-01 12:07:42 +0000 |
| commit | 91903d036d9c96b55563a3ecb11525b5a3ddbf37 (patch) | |
| tree | 9e51e74dbead2bdf793d0191265d6f721969553e /lib | |
| parent | c0aedffa21d0ffdb2d72beed00e2551bacca7927 (diff) | |
| download | FreeBSD-src-91903d036d9c96b55563a3ecb11525b5a3ddbf37.zip FreeBSD-src-91903d036d9c96b55563a3ecb11525b5a3ddbf37.tar.gz | |
Add support for sysconf(_SC_NPROCESSORS_CONF) and sysconf(_SC_NPROCESSORS_ONLN).
This API is supported in SVR4.0MP, Solaris, Linux, AIX and Tru64 Unix.
PR: bin/27489
Submitted by: Arun Sharma <arun@sharma-home.net>
Reviewed by: bde (prior version)
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libc/gen/sysconf.3 | 4 | ||||
| -rw-r--r-- | lib/libc/gen/sysconf.c | 8 |
2 files changed, 12 insertions, 0 deletions
diff --git a/lib/libc/gen/sysconf.3 b/lib/libc/gen/sysconf.3 index abbe341..3d0a0b9 100644 --- a/lib/libc/gen/sysconf.3 +++ b/lib/libc/gen/sysconf.3 @@ -83,6 +83,10 @@ and .Xr sendmsg 2 . .It Li _SC_NGROUPS_MAX The maximum number of supplemental groups. +.It Li _SC_NPROCESSORS_CONF +The number of processors configured. +.It Li _SC_NPROCESSORS_ONLN +The number of processors currently online. .It Li _SC_OPEN_MAX The maximum number of open files per user id. .It Li _SC_STREAM_MAX diff --git a/lib/libc/gen/sysconf.c b/lib/libc/gen/sysconf.c index 5be1f3b..1aa761d 100644 --- a/lib/libc/gen/sysconf.c +++ b/lib/libc/gen/sysconf.c @@ -290,6 +290,14 @@ sysconf(name) goto yesno; #endif /* _P1003_1B_VISIBLE */ +#if defined(_SC_NPROCESSORS_CONF) && defined(_SC_NPROCESSORS_ONLN) + case _SC_NPROCESSORS_CONF: + case _SC_NPROCESSORS_ONLN: + mib[0] = CTL_HW; + mib[1] = HW_NCPU; + break; +#endif + #ifdef _SC_IOV_MAX case _SC_IOV_MAX: mib[0] = CTL_KERN; |
