From: Sungbae Yoo <sungbae.yoo@samsung.com>
Date: Tue, 27 Feb 2018 04:49:11 +0000 (+0900)
Subject: Fix a bug that getProcessList returns garbage when cgroup is empty
X-Git-Tag: submit/tizen/20180305.082921^0
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c6ab7aaa461941f3c012018564af9ca97cb0e10f;p=platform%2Fcore%2Fsecurity%2Fklay.git

Fix a bug that getProcessList returns garbage when cgroup is empty

Signed-off-by: Sungbae Yoo <sungbae.yoo@samsung.com>
Change-Id: Ia4830daaa55cbc6b2da38673c8abdb309bb4cebf
---

diff --git a/src/cgroup.cpp b/src/cgroup.cpp
index a4b6aca..d136e7d 100644
--- a/src/cgroup.cpp
+++ b/src/cgroup.cpp
@@ -183,10 +183,13 @@ std::vector<pid_t> Cgroup::getProcessList(const std::string& subsystem, const st
 	std::ifstream ifs("/sys/fs/cgroup/" + subsystem + "/" + path +
 						"/tasks");
 
+	pid_t pid;
+
+	ifs >> pid;
+
 	while (ifs.good()) {
-		pid_t pid;
-		ifs >> pid;
 		ret.push_back(pid);
+		ifs >> pid;
 	}
 
 	return ret;