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library: improve/normalize an interface, <MEMINFO> api

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This represents the refinement of this interface after
the <stat> API was redesigned. We now follow a pattern
of 'get' for single item retrieval & 'select' for when
multiple items are desired, with just 1 function call.

And again following the <stat> lead this interface now
provides for delta values encompassing most items. The
reason I went cuckoo nuts with those deltas is because
they are essentially free. At the cost of a little RAM
and just one memcpy there's no other price to be paid.

Signed-off-by: Jim Warner <james.warner@comcast.net>
This commit is contained in:
Jim Warner
2016-05-11 12:00:00 -05:00
committed by Craig Small
parent 5ec5002b0d
commit 407f1b71de
3 changed files with 960 additions and 444 deletions
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5
proc/libprocps.sym
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@@ -16,13 +16,10 @@ global:
procps_linux_version;
procps_loadavg;
procps_meminfo_new;
procps_meminfo_read;
procps_meminfo_ref;
procps_meminfo_unref;
procps_meminfo_get;
procps_meminfo_getstack;
procps_meminfo_stack_fill;
procps_meminfo_stack_alloc;
procps_meminfo_select;
procps_ns_get_name;
procps_ns_get_id;
procps_ns_read_pid;