From 10dc56c3380971a4961d62c10ef756c8537f7c61 Mon Sep 17 00:00:00 2001
From: Thulinma <jaron@vietors.com>
Date: Mon, 10 Jun 2013 15:18:34 +0200
Subject: [PATCH] Fixed a race condition in process status checking.
---
lib/procs.cpp | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/lib/procs.cpp b/lib/procs.cpp
index f0a07913..5b61ea18 100644
--- a/lib/procs.cpp
+++ b/lib/procs.cpp
@@ -621,7 +621,9 @@ bool Util::Procs::isActive(std::string name){
std::map<pid_t, std::string>::iterator it;
for (it = plist.begin(); it != plist.end(); it++){
if (( *it).second == name){
- return true;
+ if (kill(( *it).first, 0) == 0){
+ return true;
+ }
}
}
return false;
@@ -629,7 +631,7 @@ bool Util::Procs::isActive(std::string name){
/// Returns true if a process with this PID is currently active.
bool Util::Procs::isActive(pid_t name){
- return (plist.count(name) == 1);
+ return (plist.count(name) == 1) && (kill(name, 0) == 0);
}
/// Gets PID for this named process, if active.