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Improve reading of cgroups.

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This commit is contained in:
Hisham Muhammad 2015-03-08 19:47:49 -03:00
parent 39a725abc2
commit a4b03e8875
1 changed files with 18 additions and 13 deletions
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31
linux/LinuxProcessList.c
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@ -312,22 +312,27 @@ static void LinuxProcessList_readCGroupFile(Process* process, const char* dirnam
process->cgroup = strdup("");
return;
}
char buffer[256];
char *ok = fgets(buffer, 255, file);
if (ok) {
char* trimmed = String_trim(buffer);
int nFields;
char** fields = String_split(trimmed, ':', &nFields);
free(trimmed);
free(process->cgroup);
if (nFields >= 3) {
process->cgroup = strndup(fields[2] + 1, 10);
} else {
process->cgroup = strdup("");
char output[256];
output[0] = '\0';
char* at = output;
int left = 255;
while (!feof(file) && left > 0) {
char buffer[256];
char *ok = fgets(buffer, 255, file);
if (!ok) break;
char* group = strchr(buffer, ':');
if (!group) break;
if (at != output) {
*at = ';';
at++;
left--;
}
String_freeArray(fields);
int wrote = snprintf(at, left, "%s", group);
left -= wrote;
}
fclose(file);
free(process->cgroup);
process->cgroup = strdup(output);
}
#endif