On 07/01/2010 09:49 AM, fred smith wrote: > I asked recently about using /etc/redhat-release and got some useful answers. > My thanks to all who replied. > > Now a slight variant: > > Can anyone suggest some resource that a PROGRAM (compiled C program) can > examine while running to find out what platform it is runninng on ? > > Things that come to mind include: > 1. output of uname to see if the kernel version contains "elX" where X > is a digit, such as el4, el5, etc., identifying RHEL-4, RHEL-5, etc. > 2. do the same thing by exmining the filename of the kernel (if I knew > how to find the file for the currently running kernel, that is. > > > (1) There is a uname(2) system call that any C or C++ program can call that has all the information that the uname(1) command provides. Do a 'man 2 uname' for details. (2) I'm not exactly sure how to get at the physical kernel file without first doing a uname, then matching that information with /boot/vmlinux-xxxx. /proc/versions can tell you more information, but not exactly the file name. -- Jerry Feldman <gaf@xxxxxxx> Boston Linux and Unix PGP key id: 537C5846 PGP Key fingerprint: 3D1B 8377 A3C0 A5F2 ECBB CA3B 4607 4319 537C 5846
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