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library: add chaining provisions to meminfo and vmstat

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If a caller chooses to reduce the overhead of repeated
function calls, this commit provides for acquiring all
the desired information in just a single library call.

Signed-off-by: Jim Warner <james.warner@comcast.net>
This commit is contained in:
Jim Warner
2015-06-28 00:00:00 -05:00
committed by Craig Small
parent 7a98cab187
commit a05084f381
5 changed files with 127 additions and 0 deletions
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7
proc/meminfo.h
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@@ -47,6 +47,12 @@ enum meminfo_item {
PROCPS_SWAP_USED
};
struct meminfo_result {
enum meminfo_item item;
unsigned long result;
struct meminfo_result *next;
};
struct procps_meminfo;
int procps_meminfo_new (struct procps_meminfo **info);
@@ -56,6 +62,7 @@ struct procps_meminfo *procps_meminfo_ref (struct procps_meminfo *info);
struct procps_meminfo *procps_meminfo_unref (struct procps_meminfo *info);
unsigned long procps_meminfo_get (struct procps_meminfo *info, enum meminfo_item item);
int procps_meminfo_get_chain (struct procps_meminfo *info, struct meminfo_result *item);
__END_DECLS
#endif