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ps displays cgroup

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Author: Swann Perarnau <swann.perarnau@imag.fr>
Bug-Debian: http://bugs.debian.org/469669
Reviewed-by: Craig Small <csmall@debian.org>
This commit is contained in:
Jan Görig
2010-12-16 10:23:49 +01:00
parent 0232430bef
commit af25453d9a
5 changed files with 50 additions and 7 deletions
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15
proc/readproc.c
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@@ -631,6 +631,17 @@ static proc_t* simple_readproc(PROCTAB *restrict const PT, proc_t *restrict cons
p->environ = file2strvec(path, "environ");
else
p->environ = NULL;
if(linux_version_code>=LINUX_VERSION(2,6,24) && (flags & PROC_FILLCGROUP)) {
p->cgroup = file2strvec(path, "cgroup"); /* read /proc/#/cgroup */
if(p->cgroup && *p->cgroup) {
int i = strlen(*p->cgroup);
if( (*p->cgroup)[i-1]=='\n' )
(*p->cgroup)[i-1] = ' '; //little hack to remove trailing \n
}
}
else
p->cgroup = NULL;
return p;
next_proc:
@@ -719,7 +730,7 @@ static proc_t* simple_readtask(PROCTAB *restrict const PT, const proc_t *restric
t->cmdline = p->cmdline; // better not free these until done with all threads!
t->environ = p->environ;
#endif
t->cgroup = p->cgroup;
t->ppid = p->ppid; // ought to put the per-task ppid somewhere
return t;
@@ -929,6 +940,8 @@ void freeproc(proc_t* p) {
free((void*)*p->cmdline);
if (p->environ)
free((void*)*p->environ);
if (p->cgroup)
free((void*)*p->cgroup);
free(p);
}