Thread safety stuff, waiting for pointer to become 'safe' before changing it (e.g. to launch another thread)

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@9007 e03df62e-2008-0410-955e-edbf42e46eb7

1 files changed, 8 insertions, 1 deletions

diff --git a/src/threadengines/threadengine_pthread.cpp b/src/threadengines/threadengine_pthread.cpp
index d6b0f3bd7..6a48bd025 100644
--- a/src/threadengines/threadengine_pthread.cpp
+++ b/src/threadengines/threadengine_pthread.cpp
@@ -44,6 +44,9 @@ void PThreadEngine::Create(Thread* thread_to_init)
 	NewThread->Extend("pthread", MyPThread);
 
 	Mutex(false);
+
+	while (NewThread)
+		usleep(1000);
 }
 
 PThreadEngine::~PThreadEngine()
@@ -52,7 +55,11 @@ PThreadEngine::~PThreadEngine()
 
 void PThreadEngine::Run()
 {
-	NewThread->Run();
+	Mutex(true);
+	Thread* nt = NewThread;
+	NewThread = NULL;
+	Mutex(false);
+	nt->Run();
 }
 
 bool PThreadEngine::Mutex(bool enable)