diff options
| author |   kettenis <kettenis@openbsd.org> | 2008-03-16 19:56:27 +0000 |
|---|---|---|
| committer | kettenis <kettenis@openbsd.org> | 2008-03-16 19:56:27 +0000 |
| commit | 6b764f82f48fac1c013716afa6ee19434b15338b (patch) | |
| tree | 45b5cf05474ca19017a9bae278018689c3778592 /lib/libc/gen/sysconf.c | |
| parent | diff from djm@ committed at his request: (diff) | |
| download | wireguard-openbsd-6b764f82f48fac1c013716afa6ee19434b15338b.tar.xz wireguard-openbsd-6b764f82f48fac1c013716afa6ee19434b15338b.zip | |
Add the semi-standard _SC_PHYS_PAGES and _SC_AVPHYS_PAGES, sysconf(3) variable.
ok espie@
Diffstat (limited to 'lib/libc/gen/sysconf.c')
| -rw-r--r-- | lib/libc/gen/sysconf.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/lib/libc/gen/sysconf.c b/lib/libc/gen/sysconf.c index 16dbc8c6673..f888ab4c780 100644 --- a/lib/libc/gen/sysconf.c +++ b/lib/libc/gen/sysconf.c @@ -1,4 +1,4 @@ -/* $OpenBSD: sysconf.c,v 1.8 2005/08/08 08:05:34 espie Exp $ */ +/* $OpenBSD: sysconf.c,v 1.9 2008/03/16 19:56:27 kettenis Exp $ */ /*- * Copyright (c) 1993 * The Regents of the University of California. All rights reserved. @@ -36,6 +36,7 @@ #include <sys/sysctl.h> #include <sys/time.h> #include <sys/resource.h> +#include <sys/vmmeter.h> #include <errno.h> #include <unistd.h> @@ -198,6 +199,31 @@ yesno: if (sysctl(mib, namelen, &value, &len, NULL, 0) == -1) KERN_SEMINFO_SEMMNS : KERN_SEMINFO_SEMVMX; namelen = 3; break; + +/* Extensions */ + case _SC_PHYS_PAGES: + { + int64_t physmem; + + mib[0] = CTL_HW; + mib[1] = HW_PHYSMEM64; + len = sizeof(physmem); + if (sysctl(mib, namelen, &physmem, &len, NULL, 0) == -1) + return (-1); + return (physmem / getpagesize()); + } + case _SC_AVPHYS_PAGES: + { + struct vmtotal vmtotal; + + mib[0] = CTL_VM; + mib[1] = VM_METER; + len = sizeof(vmtotal); + if (sysctl(mib, namelen, &vmtotal, &len, NULL, 0) == -1) + return (-1); + return (vmtotal.t_free); + } + default: errno = EINVAL; return (-1); |