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Rewritten cgroup support and suppressed root cgroup

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Bug-Redhat: https://bugzilla.redhat.com/show_bug.cgi?id=593267
Signed-off-by: Jan Görig <jgorig@redhat.com>
This commit is contained in:
Jan Görig
2011-01-19 12:16:56 +01:00
parent 8fde4af11d
commit 59679bc2a2
2 changed files with 40 additions and 27 deletions
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15
proc/readproc.c
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@ -493,9 +493,12 @@ static char** file2strvec(const char* directory, const char* what) {
}
endbuf = rbuf + tot; /* count space for pointers */
align = (sizeof(char*)-1) - ((tot + sizeof(char*)-1) & (sizeof(char*)-1));
for (c = 0, p = rbuf; p < endbuf; p++)
if (!*p)
for (c = 0, p = rbuf; p < endbuf; p++) {
if (!*p || *p == '\n')
c += sizeof(char*);
if (*p == '\n')
*p = 0;
}
c += sizeof(char*); /* one extra for NULL term */
rbuf = xrealloc(rbuf, tot + c + align); /* make room for ptrs AT END */
@ -635,14 +638,8 @@ static proc_t* simple_readproc(PROCTAB *restrict const PT, proc_t *restrict cons
else
p->environ = NULL;
if(linux_version_code>=LINUX_VERSION(2,6,24) && (flags & PROC_FILLCGROUP)) {
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;