I don't know how to get the limit but
I do know how to get the count of handles currently in use. I am using
the C library that java sigar employs. I can get the number of file handles
a process uses by calling sigar_proc_fd_get. The structure this fills in
has a member total, which is the file handle count.
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Please respond to
Obtaining maximum configured open file
descriptors of the current user
I want to obtain the maximum available open file descriptors of the current
user in a linux OS using sigar (ulimit -n).
I tried using the Ulimit class but it seems to provide me with the hard
limit which is I think the machine maximum configured open file descriptors
and not the current user. If I ran ulimit -n in shell I get a different
number then what sigar is showing (a lower number) and I need the result
to be the ulimit -n which is the soft limit (current user limit). Obviously
I want this to be cross OS as much as possible otherwise I would not be
I also looked at Sigar.getResourceLimit().getOpenFilesCur() and getOpenFileMax()
but it also returns the hard limit.
Additionally, is there any other way to obtain the currently used open
file descriptors of the current user in one command other then going over
all the existing processes pids in a loop and accumulating sigar.getProcFd(pid).getTotal()
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