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now alsoOC support all linux with both cgroup and cgroup2 enabled by default

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This commit is contained in:
fancy
2020-04-24 14:20:11 +08:00
parent 945222a5cd
commit a440046714
3 changed files with 18 additions and 14 deletions
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11
cgattach.cpp
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@@ -31,6 +31,14 @@ bool validate(string pid, string cgroup) {
exit(EXIT_FAILURE);
}
string get_cgroup2_mount_point(){
char cgroup2_mount_point[100];
FILE* fp = popen("findmnt -t cgroup2 -n |cut -d' ' -f 1", "r");
fscanf(fp,"%s",&cgroup2_mount_point);
fclose(fp);
return cgroup2_mount_point;
}
int main(int argc, char *argv[]) {
setuid(0);
setgid(0);
@@ -48,7 +56,8 @@ int main(int argc, char *argv[]) {
string pid = string(argv[1]);
string cgroup_target = string(argv[2]);
validate(pid, cgroup_target);
string cgroup_mount_point = "/sys/fs/cgroup";
// string cgroup_mount_point = "/sys/fs/cgroup";
string cgroup_mount_point = get_cgroup2_mount_point();
string cgroup_target_path = cgroup_mount_point + cgroup_target;
string cgroup_target_procs = cgroup_target_path + "/cgroup.procs";