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ignore process live too short error

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If cgroup is empty, then the process is not exsit any more.
So can be ignored.
This commit is contained in:
Fancy Zhang
2020-08-11 19:19:27 +08:00
parent 46b0e4bc95
commit b2d49eb6ca
1 changed files with 9 additions and 3 deletions
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12
src/cgroup_attach.cpp
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@@ -52,7 +52,11 @@ int attach(const string pid, const string cgroup_target) {
// return_error // return_error
} }
if (getCgroup(pid) == cgroup_target) { string cg;
cg = getCgroup(pid);
if (cg.empty()) return_success;
if (cg == cgroup_target) {
debug("%s already in %s", pid.c_str(), cgroup_target.c_str()); debug("%s already in %s", pid.c_str(), cgroup_target.c_str());
return_success; return_success;
} }
@@ -62,7 +66,9 @@ int attach(const string pid, const string cgroup_target) {
// wait for small period and check again // wait for small period and check again
this_thread::sleep_for(std::chrono::milliseconds(100)); this_thread::sleep_for(std::chrono::milliseconds(100));
if (getCgroup(pid) != cgroup_target && write2procs(pid, cgroup_target_procs) != 0) cg = getCgroup(pid);
if (cg.empty()) return_success;
if (cg != cgroup_target && write2procs(pid, cgroup_target_procs) != 0)
return_error; return_error;
return_success; return_success;
} }
@@ -78,7 +84,7 @@ int write2procs(string pid, string procspath) {
// maybe there some write error, for example process pid may not exist // maybe there some write error, for example process pid may not exist
if (!procs) { if (!procs) {
error("write %s to %s failed, maybe process %s not exist", pid.c_str(), error("write %s to %s failed, maybe process %s live too short", pid.c_str(),
procspath.c_str(), pid.c_str()); procspath.c_str(), pid.c_str());
return_error; return_error;
} }