Classification: UNCLASSIFIED Caveats: NONE BTW, it worked and had the added feature of being EXTREMELY simple. Thanks again, Steve -----Original Message----- From: redhat-list-bounces@xxxxxxxxxx [mailto:redhat-list-bounces@xxxxxxxxxx] On Behalf Of m.roth@xxxxxxxxx Sent: Wednesday, April 14, 2010 10:32 AM To: General Red Hat Linux discussion list Subject: RE: vsize from within C++ (UNCLASSIFIED) Steve wrote: > [mailto:redhat-list-bounces@xxxxxxxxxx] On Behalf Of m.roth@xxxxxxxxx > Sent: Wednesday, April 14, 2010 8:17 AM >> Steve wrote: >> >>> Is it possible for a process to obtain information about itself >>> (such as that provided by "top"), specifically vsize? > >> Sure. I never needed it, but a brief google for vsize linux c >> programming gets > >> <http://stackoverflow.com/questions/669438/how-to-get-memory-usage-at >> -run-time-in-c> > > Thanks Mark! I was working with /proc/self/stat and getting to the > vSize value using system() and an awk command, but was having trouble > getting the value back into a variable in my program...always getting > 0 which was the value passed back from system() ... 0 = success. Right - system, either in awk or perl, only returns the status of the command, and I'm not aware of any way to actually get info from it, other than the *really* ugly way of <awkcmd> > /tmp/awkcmd.output; open/read /tmp/awkcmd.output. > > I'll give this a try. My Google searches didn't come up with anything > this good. You're welcome, Searches are their own art form - that's why I gave the terms I used for the search, so as to give you *how* I found this. I usually work my way down the tree: linux (top) vmsize (what I want to find) c programming (what form I need the answer in). mark -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list Classification: UNCLASSIFIED Caveats: NONE -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list
