]> CyberLeo.Net >> Repos - FreeBSD/FreeBSD.git/commit
Add sysctlbyname system call
authorMateusz Guzik <mjg@FreeBSD.org>
Tue, 3 Sep 2019 04:16:30 +0000 (04:16 +0000)
committerMateusz Guzik <mjg@FreeBSD.org>
Tue, 3 Sep 2019 04:16:30 +0000 (04:16 +0000)
commitd05b53e0baee7670da54424738bda9b11c0668e7
tree1429a990e8caaa2a8fbe737f4d39f86abdcc3ab6
parent209f2e983876efbc2e981b6380723d7e99986431
Add sysctlbyname system call

Previously userspace would issue one syscall to resolve the sysctl and then
another one to actually use it. Do it all in one trip.

Fallback is provided in case newer libc happens to be running on an older
kernel.

Submitted by: Pawel Biernacki
Reported by: kib, brooks
Differential Revision: https://reviews.freebsd.org/D17282
20 files changed:
lib/libc/gen/sysctlbyname.c
lib/libc/sys/Symbol.map
sys/compat/freebsd32/freebsd32_misc.c
sys/compat/freebsd32/freebsd32_proto.h
sys/compat/freebsd32/freebsd32_syscall.h
sys/compat/freebsd32/freebsd32_syscalls.c
sys/compat/freebsd32/freebsd32_sysent.c
sys/compat/freebsd32/freebsd32_systrace_args.c
sys/compat/freebsd32/syscalls.master
sys/kern/capabilities.conf
sys/kern/init_sysent.c
sys/kern/kern_sysctl.c
sys/kern/syscalls.c
sys/kern/syscalls.master
sys/kern/systrace_args.c
sys/sys/param.h
sys/sys/syscall.h
sys/sys/syscall.mk
sys/sys/sysctl.h
sys/sys/sysproto.h