Re: Call for testers: libiberty/physmem.c

[Andreas Tobler <toa at pop dot agri dot ch>]

Kaveh R. Ghazi wrote:
> Is `sysctl' a binary program or a system call?  (Or both?)
>
> What would the C interface look like?  What autoconf magic does it need?

As I understand both sysctl(3) and sysctl(8).

The below is from the darwin man pages top.

HISTORY
     sysctl first appeared in 4.4BSD.

Andreas

From the man page 3:
SYSCTL(3)               System Library Functions Manual

NAME
     sysctl, sysctlbyname, sysctlnametomib - get or set system information

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <sys/types.h>
     #include <sys/sysctl.h>

     int
     sysctl(int *name, u_int namelen, void *oldp, size_t *oldlenp, void 
*newp,
             size_t newlen);
.....

SYSCTL(8)                   System Manager's Manual

NAME
     sysctl - get or set kernel state

SYNOPSIS
     sysctl [-n] name ...
     sysctl [-n] -w name=value ...
     sysctl [-n] -aA

...