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library: play catchup with a new proc_t 'cgname' field

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Since we're about to break the ABI/API anyway, why not
go ahead and add yet another field to our proc_t which
the newlib branch has had for awhile. This then allows
the top program to offer 'control group name' and will
also permit a few reductions in that ps program logic.

And let's also clean up some unrelated warnings below.

Clang warnings:
proc/readproc.c:1178:50: warning: address of array 'ent->d_name' will always evaluate to 'true' [-Wpointer-bool-conversion]
    if(unlikely(unlikely(!ent) || unlikely(!ent->d_name))) return 0;
                                           ~~~~~~^~~~~~
proc/readproc.c:1205:50: warning: address of array 'ent->d_name' will always evaluate to 'true' [-Wpointer-bool-conversion]
    if(unlikely(unlikely(!ent) || unlikely(!ent->d_name))) return 0;
                                           ~~~~~~^~~~~~

Signed-off-by: Jim Warner <james.warner@comcast.net>
This commit is contained in:
Jim Warner
2016-07-03 00:00:00 -05:00
committed by Craig Small
parent c15aea9d08
commit 5d54dc0d2e
2 changed files with 16 additions and 15 deletions
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proc/readproc.h
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@@ -137,6 +137,7 @@ typedef struct proc_t {
**environ, // (special) environment string vector (/proc/#/environ)
**cmdline, // (special) command line string vector (/proc/#/cmdline)
**cgroup, // (special) cgroup string vector (/proc/#/cgroup)
*cgname, // (special) name portion of above (if possible)
*supgid, // status supplementary gids as comma delimited str
*supgrp; // supp grp names as comma delimited str, derived from supgid
char